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TeraCapCon User`s Manual

1. Indicates that the pass conflicts with another pass that starts at an earlier time This pass will not be captured since it has a lower priority or the same priority but a lower elevation than the other Indicates that the pass conflicts with both an earlier and a later pass This pass will not be captured since it has a lower priority or the same priority but a lower elevation than at least one of the others TeraCapCon User s Manual 3 5 Generating a Pass List When a conflict between passes occurs the pass assigned the higher priority will be captured and the other pass will be ignored If two conflicting passes have the same priority the one that has the higher maximum elevation will be captured and the other will be ignored If you disagree with the way a conflict has been resolved you can override the solution by changing the priorities assigned to the passes that overlap You can also shorten the duration of one or both passes to keep them from overlapping so both will be captured see Resolving Scheduling Conflicts on page 7 9 The Satel Telem Date Time and Durat Fields In addition to the Status field the other five fields common to all pass types are Satel Names the satellite from which data was captured or will be captured e g noaa 10 f 11 goes 8 meteo 7 Telem Names the type of telemetry for the data transmitted e g hrpt gvar ols Date Reports the date of the pass
2. Deleting a Record To delete an existing autoschedule record click on the Next or Previous buttons of the Edit Autoschedule dialog box until you find the record you want to delete then click on the Delete button at the bottom of the dialog box The record will be removed from TeraCapCon s store of autoscheduling records and will no longer be available to the autoscheduler TeraCapCon User s Manual 6 13 Autoscheduling Passes Fields of the Edit Autoschedule Geostationary Dialog Box 6 14 SeaSpace Corporation Active Record of 8 Autoschedule records can be activated and inactivated by turning the Active toggle on and off An active record will be W Active processed by the autoscheduler when it runs an inactive record will not A new record is active by default Mode Mode Eoraver The Mode field has two options Forever and Once Forever specifies that an autoschedule record is to be kept and used repeatedly Once specifies that the record is to be used only once and then deleted from the store of autoschedule records The default is Forever See Start Date Start Time Days which follows for further explanation Start Date Start Time Days T y The Start Date Start Time and Days BRIDE peon mE B fields together determine the time period for which passes are to be scheduled The time period starts on the date entered in the Start Date field Days and at the time GMT entered in t
3. 5 8 Editing Receiver Sitesi sinipsip dinesoni ange 5 9 Defining an Alternate Receiver Site sss 5 9 Editing an Existing Site eere ine eer e ences 5 10 Deleting an Existing Site sse 5 10 Chapter 6 Autoscheduling Passes ss 6 1 Autoscheduling Passes of Polar Orbiters sss 6 2 Creating a New Autoschedule Record sss 6 2 Editing an Existing Record esses eee 6 4 Activating Inactivating Records sss 6 4 Deleting a ReCcOEG edes tei tire tein tere EENE 6 4 Fields of the Edit Autoschedule Polar Orbiter Dialog Box 6 5 A GELV ss sirten 6 5 Mode sinibus aste ei bas edo ai ee oie Pre RENS 6 5 Start Date Start Time Days ssesssseseeeee eee 6 5 Priority EI 6 6 R le Name RE each 6 6 Tele mietry oett denied ete tisen epe rte iet idet 6 6 Telemetry Chain iecore RE AE 6 6 Auto Archive nensiiireorererrreoseresiresosnspoinesdsrss rhod rE Pire Ra ove REX IRSE EARS 6 6 Device Name een Ere Fede E exeo Ei 6 7 Catalog PASS a rn eie tede tette 6 7 Post Proces Sui eer eerte reote rete PERPE EXER REN S KR GREECE ERE TTE NEN EE 6 7 Polar Orbiter Toggle Options sess 6 8 huELIDEC E 6 8 Satellite Elevation eese enne 6 8 Sur Elevation rer e t riesco I ne i ere e ERN EE NS 6 9
4. 7 10 SeaSpace Corporation To delete passes from the pass capture schedule select the pass or passes from the Scheduled list on the TeraCapCon Main Window then click on the Delete Pass button at the bottom of the Window You can select multiple passes and delete them all simultaneously All selected passes will be deleted from the capture schedule To verify this check the passes with a status of S in the displayed pass list The S passes you had selected for deletion should no longer appear in the list Editing the List of Scheduled Passes Generating a New Capture Schedule If you edit an autoschedule record for example to remove or add a satellite you might want to update the existing pass capture schedule to reflect the changes made in the autoschedule record Otherwise the capture schedule will not reflect the changed autoschedule record until the next time the record is processed by the scheduler daemon tsched To regenerate the pass capture schedule for your system simply click on the Synchronize Autoschedules option available from theTeraCapCon Schedule menu All the currently active autoschedule records will be immediately processed and the capture schedule the list of Scheduled passes will be updated accordingly TeraCapCon User s Manual 7 11 Editing the List of Scheduled Passes 7 12 SeaSpace Corporation A A code of Status field 3 3 activating autoschedule records 6 4 6 5 6 13 6 14 adding passes to I
5. in TeraScan s PASSDIR postprocs directory You could specify a pgs_ingest is one post process that can be linked to capture It processing script located elsewhere by entering the full pathname of the script 6 16 SeaSpace Corporation routes data into TeraPGS where it is processed according to user defined product definitions Click on the pull down arrow to see the menu of available Post Process options then click on an option to select it You can also enter an option from the menu by typing it into the field Enter None if you do not want to run a post processing script Autoscheduling Passes Geostationary Toggle Options r E Use the Geostationary toggle options to select the geostationary satellite whose scans you want to schedule A land based system will have only one satellite available The Scan Selection Controls The Hours Selection controls together with the Time Offset and Duration fields make it easy to select a specific type of scan from the fixed schedule of a geostationary satellite 1 Use the Hours Selection controls to select the hour s out of a 24 hour schedule GMT during which the scans occur Use the Time Offset field to specify the start time of the scan measured in minutes from the start of the hour You can enter the minutes by typing them in or you can click on the up down arrows to increase or decrease the minutes of the Time Offset field In order to enter seconds yo
6. Tape Label E Tape Label asa Turn on the Tape Label toggle option to search for passes located on specific tapes Only cataloged passes stored on the tape s specified in the Tape Label text field will be included in the Cataloged pass list Type in the alphanumeric identifier used to label the tape or tapes on which the passes you want are archived You can use wildcard characters to search multiple tape labels any character any string of characters Use single spaces to separate labels If you do not use Tape Label as a search criterion passes on any tapes referenced in the online catalog can be included in your Cataloged pass list TeraCapCon User s Manual 4 13 Setting Pass List Criteria 4 14 SeaSpace Corporation Viewing Pass Coverage representation of pass coverage the area of the Earth viewed by the satellite T eraCapCon can display for any given polar orbiter pass a graphic during the time the satellite is in range of and transmitting data to the site By looking at the pass coverage a user can easily make determinations about the quality of data the pass provides to their receiving site This chapter explains how to use the Show Coverage dialog box to display pass coverage In View passes are used as examples however it is possible to display pass coverage for any pass of a polar orbiting satellite TeraCapCon User s Manual 5 1 Viewing Pass Coverage Displaying Coverage for a Pass To
7. Telemetry Chain Start Time End Time and Priority To change one or more of these parameters for a scheduled pass 1 Select the scheduled pass you want to edit from the pass list displayed on the TeraCapCon Main Window The Scheduled Pass Filter toggle must be turned on in order for you to have Scheduled passes in the list The pass entry you select will become highlighted and Note Only one pass can be edited will appear in the bar below the pass list at a time The changes you make on the Edit Scheduled Pass dialog box 2 Click on the Edit Scheduled button located at the bottom of will apply only to the pass entry that the TeraCapCon Main Window The Edit Scheduled Pass appears in the bar below the pass list dialog box will appear on the screen as shown in Figure 7 4 When multiple passes have been on the following page selected this bar identifies the most 20 recently selected pass even if the 3 Make the appropriate entries in the fields of the Edit pass has been deselected and is no Scheduled Pass dialog box as explained under Fields of the longer highlighted in the pass list Edit Scheduled Pass Dialog Box on the following page This can be a bit misleading because g previously selected passes may still 4 Click on the Save button at the bottom of the Edit Scheduled be highlighted in the pass list Pass dialog box to accept the changes you have made The Edit Scheduled Pass dialog box will close and you
8. an area that starts out blank The Pass List area will display a list of passes when one or more Pass Filters have been turned on The Pass Filter Toggle Options Near the top of the TeraCapCon Main Window is a row of five Pass Filtertoggle options In View Scheduled Auto Sched Online and Cataloged Each toggle turns a different Pass Filter on and off The composition of the pass list displayed on the Main Window will depend on which Pass Filters are selected The Pass Filter toggle options are described fully in Chapter 3 of this manual 2 4 SeaSpace Corporation Getting Started Menu Bar Each of these toggle options turns on a different Pass Filter System Schedule Search Help Click on an option to turn a filter on click on the r option again to turn the filter off Passes will be listed in the blank area below according to the selections you make The Pass List area will be blank until you turn on a Pass Filter Date and Time Display Each of these buttons calls up a TeraCapCon dialog box EO the TeraCapCon Main Window Buttons of the Main Window Along the bottom of the TeraCapCon Main Window is a row of buttons Each of the first four buttons opens a TeraCapCon dialog box that corresponds with the name on the button These dialog boxes are described in the following sections of this manual The Show Coverage Dialog Box starting on page 5 3 Using the Schedule In View Pass Dialog Box star
9. data into TeraPGS where it is automatically processed and delivered according to user defined product definitions TeraCapCon User s Manual 6 7 Autoscheduling Passes Polar Orbiter Toggle Options Use the Polar Orbiter toggle options to select the polar orbiting satellites whose passes you want to schedule MENNENN Master A master is a TeraScan dataset that defines a geographic area of the earth in terms of extents map projection and pixel resolution Note Options for the Master If you specify a master in the Master field the center of the area field include all the master files defined by the master becomes the point of reference from which of TeraScan s PASSDIR masters elevation is measured for the Satellite Elevation and Sun Elevation directory selection criteria If you do not specify a master by selecting None your receiving site is considered the point of reference for measuring these criteria The default is None You can create new masters by using TeraScan s TeraMaster application Satellite Elevation Use the Satellite Elevation field to specify the minimum elevation a satellite must reach at its highest point during a pass in order for the pass to be scheduled A satellite pass will be scheduled only if the satellite s highest elevation above the horizon meets or exceeds the value entered Otherwise the pass will be ignored Elevation is measured in angular degrees If
10. 18 receiver sites 5 10 scheduled passes 7 10 deselecting passes in pass list 3 9 device for autoarchiving 6 7 6 16 7 6 displaying pass coverage 5 1 to 5 8 pass lists 3 1 to 3 8 DMSP satellites 1 1 sensors 5 5 drag and drop pass coverage 5 7 Durat field of pass list 3 6 E editing autoschedule records 6 4 6 13 pass schedule 7 7 receiver sites 5 10 elevation of satellite 3 6 3 7 Elv field of pass list 3 6 3 7 End Time of scheduled pass changing 7 8 F Forever mode of autoschedule records 6 5 6 14 G generating new capture schedule 7 10 geostationary satellites autoscheduling passes of 6 11 to 6 18 selecting for In View pass list 4 7 GVAR reception 1 3 H help for TeraCapCon 2 6 High Resolution Infrared Sounder hirs 5 5 Id field of pass list 3 8 inactivating autoschedule records 6 4 6 5 6 13 6 14 In View pass list displaying 3 1 fields of 3 6 setting criteria for 4 1 to 4 6 l 2 SeaSpace Corporation L Label field of pass list 3 8 Lines field of pass list 3 8 M master as autoschedule criterion 6 8 as catalog search criterion 4 12 as in view search criterion 4 3 field in pass list 3 6 menu bar 2 5 mode of autoscheduling 6 5 6 14 N NOAA satellites 1 1 O O code of Status field 3 3 ols 5 5 Once mode of autoschedule records 6 5 6 14 online pass catalog searching 4 9 to 4 13 Online pass list displaying 3 2 fields of 3 8 setting criteria for 4 9 to 4 13 Operational Line S
11. 2 1 Getting Started How You Interact with TeraCapCon 2 2 SeaSpace Corporation TeraCapCon consists of anumber of different dialog boxes each of which organizes a related set of TeraCapCon operations You will be using various types of controls screen objects such as buttons toggles and scroll bars to interact with the program This chapter will first describe in general how these controls work Later chapters explain TeraCapCon specific operations Table 2 1 defines the mouse and keyboard actions used throughout this manual Table 2 1 Mouse and Keyboard Actions Action Meaning Click on Place the cursor on an item then press and release the left mouse button Double Click on Place the cursor on an item then quickly press and release the left mouse button twice Select s To select an item such as from a menu or list place the cursor on the item then click the left mouse button The selected item in a list will become highlighted Grab and Drag Click on an item with the eft mouse button to select it then press and hold down the middle mouse button while you move the cursor across the screen to a new position The item you selected will be placed at the new position of your cursor when you release the mouse button Enter To enter text into a text field type the text and then press the Return key Getting Started The Controls of TeraCapCo
12. 7 2 to 7 3 deleting passes from schedule 7 10 editing scheduled passes 7 7 from geostationary satellites 6 11 to 6 18 from polar orbiter satellites 6 2 to 6 10 generating a new schedule 7 11 satellites requiring scheduling 1 3 scheduling Wefax images 6 19 Index searching the pass catalog 4 9 to 4 13 selecting alternate sites for In View passes 4 5 selecting geostationary scans for autoscheduling 6 17 for In View pass list 4 7 to 4 8 special sensors 5 5 ssmi ssmt1 ssmt2 5 5 Start Date of autoschedule records 6 5 6 14 Start Time of autoschedule records 6 5 6 14 of scheduled pass changing 7 8 Start Stop Elevation as autoscheding criterion 6 9 as In View search criterion 4 5 starting TeraCapCon 2 1 Status field of pass lists 3 3 subtrack of satellite 5 3 5 4 sun elevation as autoscheduling criterion 6 9 as in view search criterion 4 4 4 12 T tape device for autoarchiving 6 7 6 16 7 6 tape label as catalog search criterion 4 13 Telem field of pass list 3 6 telemetries available for capture 1 2 telemetry as catalog search criterion 4 9 as pass scheduling criterion 6 6 6 15 of scheduled pass changing 7 5 telemetry chain as pass scheduling criterion 6 6 6 15 of scheduled pass changing 7 5 time and date display 2 6 time duration of autoschedule records 6 5 Time field of pass list 3 6 V V code of Status field 3 3 4 8 W Wefax images scheduling 6 19 TeraCapCon User s Manual 1 3 Index l 4 SeaSpace
13. Corporation
14. For polar orbiting satellites maximum elevation above the horizon attained bythe satellite as seen from the target site measured in angular degrees Az For polar orbiting satellites the satellite azimuth at maximum elevation as seen from the target site measured in angular degrees clockwise from true north Pri For polar orbiting satellites the priority of a scheduled pass ranging from 1 highest to 5 lowest Priorities are assigned in the autoschedule records An antenna receiver framer can only capture data from one satellite at a time Sometimes two scheduled passes will overlap in time When this occurs only one pass will be captured and the other will be ignored When a conflict between passes occurs the pass with the higher priority will be captured and the other pass will be ignored If two conflicting passes have the same priority the higher elevation pass will be the one captured Arc Three yes no indicators of archiving and cataloging options These are Archive the pass y n y means the pass data will be archived on tape n means the pass will not be archived Archive device Use default y n y means the default tape device will be used for archiving the pass n means that an alternative device will be used Usually no more than two tape devices are connected to a TeraScan acquisition system so these two indicators suffice catalog the pass y n y means that information about the pass includi
15. Schedule In View Pass dialog box See Using the Schedule In View Pass Dialog Box starting on page 7 5 5 Click on the Save button to save the settings on the Schedule In View Pass dialog box The Schedule In View Pass dialog box will close and you will be returned to the TeraCapCon Main Window The pass you selected in Step 2 will be added to TeraCapCon s list of Scheduled passes 6 To display Scheduled passes turn on the Scheduled Pass Filter at the top of the TeraCapCon Main Window Figure 7 3 The pass you just scheduled should appear in the displayed list of passes showing an S in the Status field The pass will appear just below the entry for the In View pass you selected for scheduling 7 You can continue scheduling other In View passes if you want using the steps just described Figure 7 2 The Schedule In View Pass Dialog Box Schedule In View TeraCapCon User s Manual 7 3 Editing the List of Scheduled Passes Turn on the Scheduled Pass Filter System Schedule Search Help ipm rtd hrpt hrpt rtd hrpt hrpt hrpt hrpt hrpt hrpt hrpt hrpt rtd noaa 12 hrpt TeraCapCon Arcs yyy zyyy cinnn ciuud An entry for the pass just scheduled will appear below the corresponding Proctir ProctNone ProctNone Procti In View entry for the same pass The pass list also includes entries for passes scheduled previously tei We Displaying the Newly Scheduled Pass in
16. Schedule menu of the TeraCapCon Main Window If there are no existing records the words New Record will appear in the upper left corner of the dialog box This means the dialog box is ready to be used as a template for creating new autoscheduling records Note Autoschedule records are stored in PASSDIR autosched If records already exist they can be edited from this dialog box Each existing record will be numbered and the number will be shown in the upper left corner of the dialog box You can click on the Previous and Next buttons at the bottom of the dialog box to cycle through the records Creating a New Autoschedule Record 6 2 SeaSpace Corporation There are four basic steps to creating a new autoschedule record from the Edit Autoschedule dialog box 1 To start a new record click on the New button of the Edit Autoschedule dialog box Figure 6 1 The words New Record will appear in the upper left corner of the dialog box indicating that the Edit Autoschedule dialog box is now a template ready to be used for creating a new record From the Telemetry menu select the telemetry for the satellites you are going to schedule You must select the telemetry before you change any other settings of the Edit Autoschedule dialog box Changing the entry in the Telemetry field after you have made changes to other fields will reset those fields to their defaults The telemetry you select will automatically determine the
17. Start Stop Elevation tete tenere 6 9 Autoscheduling Passes of Geostationary Satellites 6 11 Creating a New Autoschedule Record sss 6 11 Editing an Existing Record sss eee 6 13 Activating Inactivating Records sse 6 13 Deleting a RECON depen tero ple hier Pese ren 6 13 Fields of the Edit Autoschedule Geostationary Dialog Box 6 14 NV undue Aca e LU E IA te 6 14 MO ettam PG ar EF MOI DOO EO adsense 6 14 Start Date Start Time Days sse 6 14 PEOFIPy E E E er eat de diti 6 15 Rule N me 5 eene te is bodes ve a d teca o voten dde ds 6 15 Teleme yaoi ui tini eeieece ee ed dais 6 15 Telemetry Chain rrt rri tette etti ente 6 15 Ato Arhive nee reser o D edt eb tree Poveda Colt e eL este 6 15 Device Name ern herr he oer nei anna 6 16 TeraCapCon User s Manual vii Table of Contents Catalog Pass sense 6 16 Post Process eben ee 6 16 Geostationary Toggle Options eeennnenenen 6 17 The Scan Selection Controls eee 6 17 Scheduling Capture of Wefax Images sss 6 19 Chapter 7 Editing the List of Scheduled Passes 7 1 Adding a Pass to the Capture Schedule sss 7 2 Using the Schedule In View Pass Dialog BOX sss 7 5 uiua d 7 5 Telemetry Chain ern ern rer hl 7 5 Ipse d
18. an option to select it from the menu PASSDIR system config file Note Options for the Post Process field include all the processing scripts Catalog Pass If you have elected to autoarchive the passes being scheduled for capture you need to specify whether or not the passes are to be logged into the online pass catalog a database of passes archived on tape _ Catalog Pass Turn on the Catalog Pass toggle option if you want to catalog the passes Otherwise the passes will be autoarchived but no record of this will be added to the pass catalog You can use TeraCapCon s Cataloged Pass Filter to list passes in the pass catalog in order to locate a particular pass or set of passes at a later time Post Process In the Post Process field you can specify a post processing script to be applied to the raw pass data The script can link together any number of TeraScan functions and other UNIX commands to in TeraScan s PASSDIR postprocs be automatically applied to the data directory You could specify a processing script located elsewhere by entering the full pathname of Process options then click on an option to select it You can also the script Click on the pull down arrow to see the menu of available Post enter an option from the menu by typing it into the field Select None if you do not want to run a post processing script pgs_ingest is one post processing script that can be linked to capture It routes
19. being displayed You can toggle the coverage outline on and off by clicking on the Red Green or Blue toggle button to the left of the fields You can display coverage for up to three passes simultaneously on the Show Coverage map see Using Drag and Drop to Add Another Pass to the Show Coverage Dialog Box starting on page 5 6 Viewing Pass Coverage Sensor Options To the right of each pass coverage Selection field is a field that names the sensor source of the data for which coverage is being displayed Sensor options available are satellite dependent Click on the menu handle to see available sensor options Click on an option to select it The coverage outline being displayed will change to reflect the new sensor For the NOAA satellites the sensor options are avhrr Advanced Very High Resolution Radiometer hirs High Resolution Infrared Sounder and amsua and amsub the two microwave sensors on NOAA 15 The default sensor is avhrr For the DMSP satellites sensor options are ols the Operational Line Scanner ssmi Special Sensor Microwave Imager ssmt1 Special Sensor Microwave Temperature Sounder and ssmt2 Special Sensor Microwave Water Vapor Sounder The default sensor is ols Receiver Site Menu The Receiver Site menu lists the TeraScan receiver sites that have been defined by the user See Editing Receiver Sites starting on page 5 9 to find out how to define a receiver site You can display satellite p
20. called Define The Define file specifies the state of the satellite as either active inactive or ignore Both active and inactive satellites appear on the lists of satellites available for selection from the In View Search Criteria dialog box The satellites selected by default are ones that have been set as active A satellite with an ignore state does not appear on the list You can customize the list of satellites by editing the satellite Define files For example to keep a satellite from showing up on the list you would change the satellite s state to ignore Selecting the Passes Master A master is a TeraScan dataset that defines a geographic area of the earth in terms of extents map projection and pixel resolution Note Options for the Master If you select a master in the Master field the center of the area defined field include all the master files by the master becomes the point of reference from which elevation of TeraScan s PASSDIR masters is measured for the Satellite Elevation and Sun Elevation search directory criteria If you do not specify a master by selecting None your You can create new masters by receiving site is considered the point of reference for measuring these using TeraScan s TeraMaster criteria The default is None application TeraCapCon User s Manual 4 3 Setting Pass List Criteria 4 4 SeaSpace Corporation Satelli
21. click on the up down arrows to increase or decrease the time in increments of 10 seconds 7 8 SeaSpace Corporation Editing the List of Scheduled Passes Edit Process Click on Accept to save Click on Cancel to close the new settings and close this dialog box without the dialog box saving the new settings a AME The Edit Process Dialog Box Resolving Scheduling Conflicts You can use the Edit Scheduled Pass dialog box to resolve a scheduling conflict between two overlapping passes There are two options available for changing the outcome of a conflict 1 You could change the Priority of the passes so that the pass you prefer has a higher priority relative to the less prefereable pass it conflicts with 2 You could shorten the duration of one or both passes so they no longer overlap Either enter an earlier End Time for the pass that starts first thus cutting off the last lines of the pass or enter a later Start Time for the pass that starts second thus cutting off the first lines of the pass or change both the End Time of the first pass and the Start Time of the second pass to keep the passes from overlapping Using the Edit Process Dialog Box From the Edit Process dialog box you can edit the following parameters of a scheduled pass Auto Archive on off Device Name Catalog Pass on off and Post Process To change one or more of these parameters for a scheduled pass 1 Select the scheduled pass you want to edit f
22. corner ofthe TeraCapCon Main Window The time shown can be local time or Greenwich Mean Time GMT depending on how the TeraScan system is set up 2 6 SeaSpace Corporation Getting Started Table 2 2 Road Map of the TeraCapCon Menu Bar System gt Edit Site System Exit etie a Schedule Edit Autoschedule Polar Orbiter Schedule EditAutoschedule Geostationary Schedule gt Schedule In View Schedule gt Edit Wefax Schedules Schedule Synchronize Autoschedules Search gt In View Search Criteria Search Cataloged Search Criteria Help Help Index Help About noire Calls up the Site List Editor Use this box to add sites other than your own to the list of Alternate Receiver Sites on the In View Search Criteria dialog box and to the Receiver Site list on the Show Coverage dialog box You can then list In View passes and view pass coverage for those sites Exits and closes TeraCapCon Calls up the Edit Autoschedule Polar Orbiter dialog box Use this box to set up automatic scheduling of data capture from polar orbiting satellites Calls up the Edit Autoschedule Geostationary dialog box Use this box to set up automatic scheduling of data capture from geostationary satellites Calls up the Schedule In View dialog box Calls up the Edit Wefax Schedules dialog box Remakes the pass schedule list ba
23. entry in the Telemetry Chain field Set other scheduling options in the Edit Autoschedule dialog box The fields are described under Fields of the Edit Autoschedule Polar Orbiter Dialog Box starting on page 6 5 To save the record click on the Save button at the bottom of the dialog box Any In View passes that conform to the scheduling options you set on that record will be added to TeraCapCon s list of Autoscheduled Passes Autoscheduling Passes Indicates that a new record is being created Edit Autoschedule Polar Orbiter 2 Select the telemetry appropriate for the satellites you are going to schedule 3 Specify other options 1 Click on New to start 4 Click on Save to save a new record the new record Figure 6 1 Creating a New Autoscheduling Record for a Polar Orbiting Satellite To display Autoscheduled passes turn on the Auto Sched Pass Filter at the top of the TeraCapCon Main Window The passes you just scheduled should appear in the list of passes showing an A in the Status field If In View passes are also being displayed the entry for an Autoscheduled pass will appear just below the entry for the corresponding In View pass TeraCapCon User s Manual 6 3 Autoscheduling Passes The passes in the Auto Sched list will be added to the list of Scheduled passes the next time the autoscheduler processes this record The particular time at which the record is processed is det
24. file For most systems there is only one telemetry available You will not be allowed to schedule a pass from a satellite whose telemetry your system is not configured to receive even though you may be able to list In View passes from the satellite For most systems the telemetry selected will automatically determine the entry in the Telemetry Chain field This is because most systems are configured with one telemetry chain per telemetry Telemetry Chain emet Gia A telemetry chain specifies the hardware configuration used to acquire the telemetry For most systems the telemetry chain will automatically be determined by the Telemetry selected since most systems are configured for only one telemetry chain per telemetry Auto Archive Turn on the Auto Archive toggle option to specify that the pass data being captured is to be automatically archived on tape Turn Auto Archive off if you do not want the data archived sl Auto Archive Note Device names are defined in TeraScan s PASSDIR devtable file Devices available as options for the Device Name field are determined by the setup of your Autoscheduling Passes Device Name Device Name dev rmt On If you have elected to autoarchive the passes being scheduled for capture you must select the Device Name that identifies the tape drive to which passes are to be written Click on the menu handle to see the list of Device Name options available Click on
25. from two satellites can sometimes overlap in time When this occurs only one of the passes will be captured and the other will be ignored For this reason every pass is assigned a priority ranging between 1 highest priority and 5 lowest priority at the time it is scheduled For Scheduled passes the Status field includes codes to indicate which passes will be captured and which will be ignored when scheduling conflicts occur These codes are shown in Table 3 1 Table 3 2 Conflict Resolution Codes for Scheduled Passes Indicates that the pass does not conflict with any other passes and it will be captured Indicates that the pass conflicts with another pass that starts at a later time however this pass will be captured since it has a higher priority or the same priority but a higher elevation than the other Indicates that the pass conflicts with another pass that starts at an earlier time however this pass will be captured since it has a higher priority or the same priority but a higher elevation than the other Indicates that although the pass conflicts with both an earlier and a later pass this pass will be captured since it has a higher priority or the same priority but a higher elevation than the others Indicates that the pass conflicts with another pass that starts at a later time This pass will not be captured since it has a lower priority or the same priority but a lower elevation than the other
26. the Pass List 7 4 SeaSpace Corporation Editing the List of Scheduled Passes Using the Schedule In View Pass Dialog Box This section explains the fields on the Schedule In View Pass dialog box Telemetry Telemetry hrpt In the Telemetry field specify the telemetry you want to capture The telemetries available for selection will depend on the configuration of your system which is reflected in your PASSDIR system config file You will not be allowed to schedule a pass from a satellite whose telemetry your system is not configured to receive even though you can list In View passes from the satellite Telemetry Chain Henson A telemetry chain specifies the hardware configuration used to acquire the telemetry The telemetry chains available for selection will depend on the configuration of your system which is reflected in your PASSDIR system config file Most systems will be configured with only one telemetry chain per telemetry Priority Use the Priority field to assign a priority ranging from 1 Highest to 5 Lowest to the pass you are scheduling Sometimes scheduled passes can overlap in time When this occurs the pass assigned the higher priority will be captured and the other will be ignored all else being equal This field defaults to 5 Lowest Priority 3 Medium Please refer to the discussion under Conflict Resolution Codes for Scheduled Passes starting on page 3 5 for furthe
27. the autoscheduler will process the record one time only scheduling passes for the period of time specified by the entries in the Start Date Start Time and Days fields You can type entries into the Start Date and Start Time fields or you can click on the up down arrows to increase or decrease the values in the fields Click on the up down arrows of the Days field to increase or decrease the number of days TeraCapCon User s Manual 6 5 Autoscheduling Passes 6 6 SeaSpace Corporation Priority Use the Priority field to assign a priority ranging from 1 Highest to 5 Lowest to the passes you are scheduling Sometimes scheduled passes can overlap in time When this occurs the pass assigned the higher priority will be captured and the other will be ignored all else being equal This field defaults to 5 Lowest Priority 5 Lowest Please refer to the discussion under Conflict Resolution Codes for Scheduled Passes starting on page 3 5 for further information Rule Name Rule Name inoaa 12 14 Use the Rule Name field to assign a name to an autoschedule record for easy identification of the record An entry in this field is optional To enter a rule name type it into the field Telemetry Telemetry hrpt In the Telemetry field select the telemetry you want to capture The telemetries available for selection will depend on the configuration of your system which is reflected in your PASSDIR system config
28. value by typing it in or you can click on the up down arrows to increase or decrease the value in increments of 1 degree Start Stop Elevation Serien Ean jo B Use the Start Stop Elevation field to 7 specify the elevation of the satellite measured in angular degrees above the horizon of the antenna below which data being transmitted from the satellite will be ignored see Figure 4 2 Only the part of a pass above the specified elevation will be captured The allowable range of values for this field is 0 to 90 The default is 0 A Start Stop Elevation greater than 0 will shorten the apparent pass duration compared to the time the satellite is actually above the horizon You can enter a value by typing it in or you can click on the up down arrows to increase or decrease the value in increments of 1 degree TeraCapCon User s Manual 6 9 Autoscheduling Passes 6 10 SeaSpace Corporation Buttons of the Edit Autoschedule Polar Orbiter Dialog Box g New B Delete 0 Save al Previous Next Help Em Close Click on the New button to start creating a new autoschedule record Click on the Delete button to remove the record currently being displayed in the Edit Autoschedule dialog box Click on the Save button to save a newly created record or to save changes made to an existing record Click on the Previous button to call up a previous record in the sequence of available records Click on the Nex
29. will be returned to the TeraCapCon Main Window To close the Edit Scheduled Pass dialog box without accepting changes made click on the Cancel button at the bottom of the dialog box The changes made on the Edit Scheduled Pass dialog box will be reflected on the displayed pass list You can now select another pass from the list for editing if you want TeraCapCon User s Manual 7 7 Editing the List of Scheduled Passes Edit Scheduled Pass m o d pam o M Bern EI NN NE fe NM Click on Save to save the Click on Cancel to close new settings and close the this dialog box without dialog box saving the changes a NALE The Edit Scheduled Pass Dialog Box Fields of the Edit Scheduled Pass Dialog Box The Telemetry Telemetry Chain and Priority fields of the Edit Scheduled Pass dialog box have already been explained in conjunction with the Schedule In View Pass dialog box Please refer back to Using the Schedule In View Pass Dialog Box starting on page 7 5 for explanation of those fields Start Time and End Time ey Use the Start Time field to change a the start time of a scheduled pass j Use the End Time field to change A the end time of a scheduled pass By adjusting scheduled pass times in this manner you can shorten passes to resolve scheduling conflicts between passes that would otherwise overlap thereby allowing both passes to be captured You can enter the time by typing it into the field or you can
30. 7 5 Auto Archive vennerne noe nie e ini E ES 7 5 Device INaTIQ ice reel eine leeren 7 6 Catalog Passau ae asia 7 6 Post Process ensasi inean Ee NEEE r E ee eaS 7 6 Editing Parameters of a Scheduled Pass sss 7 7 Using the Edit Scheduled Pass Dialog Box 7 7 Fields of the Edit Scheduled Pass Dialog Box 7 8 Start Time and End Time eene 7 8 Resolving Scheduling Conflicts sse 7 9 Using the Edit Process Dialog Box sees 7 9 Fields of the Edit Process Dialog Box sese 7 10 Deleting a Pass from the Capture Schedule 7 7 10 Generating a New Capture Schedule nnneneen 7 11 nl e HR l 1 viii SeaSpace Corporation What Is TeraCapCon program the TeraScan system for the automatic capture archiving and T eraCapCon is the TeraScan Capture Control GUI that enables the user to processing of satellite data from polar orbiting meteorological satellites and from any geostationary meteorological satellites that have constant dissemination schedules for example Meteosat From TeraCapCon the user can 1 Define the autoschedule rules that govern polar orbiting satellite A satellite that orbits the Earth from Pole to Pole at an altitude of about 500 miles 800 km every 100 minutes about 14 times a day The satellite thus scans the entire Earth once every 24 hours covering approximat
31. Alternate Receiver Site on page 5 9 In general the default In View passes will be passes that are in view at the local receiving site for the current day the 24 hour period starting at 00 00 00 GMT e Scheduled Lists passes scheduled for capture The list of scheduled passes is generated by the TeraScan scheduling daemon the autoscheduler based on user created autoschedule records The user can modify the list by adding and deleting passes or editing their parameters TeraCapCon User s Manual 3 1 Generating a Pass List e Auto Sched Lists the passes that the autoscheduler will add to the Scheduled list the next time it runs Online Lists the most recently captured passes which are temporarily stored on line The number of online passes will depend on how the pass storage area is defined e Cataloged Lists passes that have been captured archived on tape and cataloged The particular set of passes listed depends on criteria set in the Cataloged Search Criteria dialog box see Setting Criteria for the Cataloged Pass List starting on page 4 9 To display a list of passes select the Pass Filter toggle option that corresponds with the pass type you want listed You can have multiple filters selected at the same time in which case the displayed list will be a combination of the types of passes you selected For example turn on the In View and Scheduled toggle options and you will see a list that includes bot
32. Captured sse 12 Which Satellites Require Capture Scheduling sss 1 3 Polar Orbitirig Satellites eiie tiet sas 1 3 Geostationary Satellites 1 3 Chapter 2 Getting Started sess 2 1 Launching TeraCapGoOn 5 eiie pibe nap eratis 2 1 How You Interact with TeraCapCon sss 2 2 The Controls of TeraCapCon sss ee eee ee eene 2 3 B ttOfis isi Hee et bait diretta bete 2 3 Toggle Options inemnitmetite etie eiie aetas 2 3 Text Field Seter eere e eet ie ER er ee Ee Yep e Deled 2 3 Choice Fields with Menus eessseeeeeeeeenen nere nnne 2 3 Choice Fields with Increment Arrows eee 2 4 SCEOIL Bars rn ttem o es teers seagate A rss 2 4 Layout of the TeraCapCon Main Window sess 2 4 The Pass Filter Toggle Options sss 2 4 Buttons of the Main Window ccccccccessecesscesseceseecssceeseceseeesecaecesseenas 2 5 Memi Bainaren cecchensetee tan tetenteces seta Pes aan odere testes orioneu od 2 6 Getting Help with TeraCapCon 7e 2 6 Date and Time Display tetti 2 6 Chapter 3 Generating a Pass List eessss 3 1 Displaying a Pass Dist ec ettet tte entered 3 1 The Pass List Forriat iec retento ee remetvatiteehiteni ies 3 2 Th Status Field i ngon o erri tn iras 3 3 TeraCapCon User s Manual v Table o
33. Con main screen then select About from the Help menu An information panel with the version of your TeraCapCon software will appear on the screen e The version number of your TeraScan software To get this information call up the TeraScan Launchpad launchpad amp Click on the Configuration tab then click on the Licenses manager to call up the TeraScan Software Manager Then click on the Licenses tab of the Software Manager On the lower portion of the panel you will find the version number and other system information as shown below software version number Package 05 Status Expires capture solaris 1 Licensed Never terascan solaris 3 1 Licensed Never The version number of your operating system Enter S uname sr e The hardware platform of your system Enter o uname i e Any error message associated with the problem you are experiencing e ALL standard output and any standard error associated with the technique you are using The best thing to do is to redirect all output to a file and attach the file to the mail message e For all problems concerning data acquisition please include verbatim output of the corresponding PASSDIR schedlog and PASSDIR logfiles schedjob files Table of Contents How to Contact Customer Support at SeaSpace sss iv Chapter 1 What Is TeraCapCon eene 1 1 Setting up the Pass Capture Program 1 1 Telemetries That Can Be
34. Name DoviceNaman EdeV ERU If you have chosen to autoarchive the passes being scheduled for capture you must specify in the Device Name field the name of the tape drive that holds the tape to which passes are to be archived Note Device names are defined in TeraScan s PASSDIR devtable Click on the menu handle to see the list of Device Name options file Devices available as options for the Device Name field are Click on an option to select it from the menu determined by the setup of your PASSDIR system config file Catalog Pass If you have chosen to autoarchive the passes being scheduled for capture you need to choose whether or not the passes are to be logged into the online pass catalog a database of passes archived on tape Catalog Pass Turn on the Catalog Pass toggle option if you want to catalog the passes Otherwise the passes will be autoarchived but no record of this will be added to the pass catalog You can use TeraCapCon s Cataloged Pass Filter to list passes in the pass catalog in order to locate a particular pass or set of passes at a later time Post Process Post Process Nond F In the Post Process field you can specify a post processing script to be applied to the raw pass data The script can link together any Note Options for the Post Process number of TeraScan functions and other UNIX commands to be field include all the processing scripts automatically applied to the data
35. able date formats One of several formats can be used for entries in the Start Date or End Date fields TeraCapCon will automatically convert the date to a digital month day year format For example the following entries will be converted to 2 13 97 Feb 13 1997 13 Feb 97 21397 Items can be separated by spaces hyphens slashes or commas When using a numerical value for month the order must be day month year Setting Pass List Criteria Date Range E zen Turn on the Date Range toggle option to search for passes that occurred within a specific time window The Start Date and End Date fields will be activated Only cataloged passes that occurred on or between the dates shown in these fields will be included ina Cataloged pass list You can enter dates by typing them into the field or you can use the arrows to increment the dates up or down one day at a time If you do not use Date Range as a search criterion passes from any dates referenced in the online pass catalog can be included in your Cataloged pass list Coverage Turn on the Coverage j toggle option to search 5 for passes that meet specific coverage amp d criteria The Master Satellite Elevation and Sun Elevation fields will be activated Coverage will then be determined by theentries made in those fields If you do not use Coverage as a search criterion cataloged passes of any coverage can be included in your Cataloged pa
36. ar in the upper left corner of the dialog box indicating that the Edit Autoschedule dialog box is now a template ready to be used for creating a new record 2 From the Telemetry menu select the telemetry for the satellites you are going to schedule You must select the telemetry before you change any other settings of the Edit Autoschedule dialog box Changing the entry in the Telemetry field after you have made changes to other fields will reset those fields to their defaults The telemetry you select will automatically determine the entry in the Telemetry Cahin field 3 Set other scheduling options in the dialog box The Edit Autoschedule fields are described under Fields of the Edit Autoschedule Geostationary Dialog Box starting on page 6 14 4 To save the record click on the Save button at the bottom of the dialog box Any In View scans that conform to the scheduling options you set on that record will be added to the list of Autosched passes TeraCapCon User s Manual 6 11 Autoscheduling Passes 2 Select the telemetry appropriate for the satellites you are going to schedule mE rer EEE 3 Selectthe me of fel elf xf Heres DE EN EI eo ee shar Se Dom See BEIGE ET a zi l E 1 Click on New to start 4 Click on Save to save a new record the new record Figure 6 2 Creating a New Autoscheduling Record for a Geostationary Satellite To display Autoscheduled passes tu
37. ar up or down the list Or click on the arrowheads above and below the scroll bar to move up or down through the list one line at a time Be HANE Main Window with Combination of In View and Scheduled Passes Listed The Status Field The Status field displays a letter code that indicates the pass type listed V In View pass V1 in view at your site V2 V3 Vn in view at a remote site S Scheduled pass An Autoscheduled pass n is an auto schedule record number see Fields of the Edit Autoschedule Polar Orbiter Dialog Box in Chapter 7 for an explanation On Online pass n represents online pass number The number of online passes is dependant on system configuration C Cataloged pass TeraCapCon User s Manual 3 3 Generating a Pass List A Format of In View Passes Satel Telem noaa 14 hrpt noaa 10 hrpt Status Satel Telem Satel Telem noaa 12 hrpt hrpt Telem hrpt hrpt Figure 3 2 3 4 SeaSpace Corporation Date Date Date Time Durat Time Durat 21 Time Durat Time Durat ars ale bales 14 13 Pass List Formats r Notes r Notes Elvi Elv 66 Az Notes El Notes Proctin Ca pi done Captdone 1d 19 Label ASL Id319 Labe Generating a Pass List Conflict Resolution Codes for Scheduled Passes In systems configured to collect passes from different types of polar orbiters NOAA DMSP and SeaWiFS satellites passes
38. asses from any of these sites Click on the menu handle to see a list of available sites Click on a site to select it The map in the display area centers on that site TeraCapCon User s Manual 5 5 Viewing Pass Coverage Using Drag and Drop to Add Another Pass to the Show Coverage Dialog Box 5 6 SeaSpace Corporation Up to three different passes can be displayed simultaneously on the Show Coverage dialog box To display a second pass along with the first use the drag and drop procedure described in the following steps 1 Keep the Show Coverage dialog box open while you select another pass from the list on the TeraCapCon Main Window You may have to reposition the Show Coverage dialog box somewhat to see the pass list on the Main Window Select the second pass from the pass list by clicking on the pass entry to highlight it Using the middle mouse button grab the selected pass from the pass list press and hold down the button then drag the cursor onto the Show Coverage dialog box Your cursor will change into a picture of a running man Position the running man over the blank field associated with the Green toggle option as shown in Figure 5 3 on page 5 7 Release the mouse button when the field for the Green toggle option appears outlined in black The second satellite pass will appear on the map outlined in green as shown in Figure 5 3 on page 5 7 The on off indicator box of the Green toggle option will tur
39. autoschedule records are in place a TeraScan scheduler daemon called tsched manages automatic data capture following the instructions of the autoschedule records 1 The scheduler daemon maintains a list of scheduled passes based on the autoschedule records defined by the user This is the list of Scheduled passes displayed in TeraCapCon s main window 2 The list of scheduled pases is updated each time the scheduler daemon processes an autoschedule record Generally all autoschedule records are processed once a day just before 0 0 GMT Processing of a record can occur at another time however and is determined by the start time entered for the record 3 The scheduler daemon keeps checking the list of scheduled passes for any passes nearing start time When an upcoming pass is detected to be within a few minutes of start time the scheduler daemon sets into motion all the machinery and processes necessary to capture the pass This chapter explains how to use TeraCapCon to create autoschedule records A system may require only one record or multiple records It all depends on the configuration and intended purpose of the system TeraCapCon User s Manual 6 1 Autoscheduling Passes Autoscheduling Passes of Polar Orbiters The Edit Autoschedule Polar Orbiter dialog box Figure 6 1 is where you create autoschedule records for polar orbiting satellites To call up this dialog box select Edit Autoschedule Polar Orbitor from the
40. canner 5 5 P pass catalog logging to 6 7 6 16 7 6 searching 4 9 to 4 13 pass coverage as catalog search criterion 4 11 displaying 5 1 to 5 8 Pass Filter toggle options 2 4 3 1 pass lists displaying 3 1 to 3 8 pass scheduling See scheduling data capture passes displaying coverage for 5 1 to 5 8 listing 3 1 to 3 8 prioritizing 3 5 to 3 6 scheduling conflicts resolving 3 5 7 9 polar orbiting satellites autoscheduling passes of 6 2 to 6 10 selecting for autoscheduling 6 8 selecting for In View pass list 4 3 post process 6 7 6 16 7 6 Pri field of pass list 3 7 priority of scheduled passes 3 5 to 3 6 3 7 6 6 6 15 7 5 7 9 Proc field of pass list 3 8 R Receiver Site menu 5 5 receiver sites defining 5 9 deleting 5 10 editing 5 10 refreshing the pass list 3 9 removing passes from capture schedule 7 10 resolving scheduling conflicts 3 5 7 9 rule name of autoschedule record 6 6 6 15 S S code of Status field 3 3 3 5 Satel field of pass list 3 6 satellite azimuth 3 7 satellite Define files editing 4 3 satellite elevation as autoscheduling criterion 6 8 as catalog search criterion 4 12 as In View search criterion 4 4 satellite subtrack 5 3 5 4 satellites selecting for autoscheduling 6 8 6 17 for In View pass list 4 3 4 7 saving autoschedule records 6 18 In View search criteria 4 7 Scheduled pass list 3 1 3 7 scheduling conflicts resolving 3 5 7 9 scheduling data capture adding passes to schedule
41. ctive toggle on and off An active record will be W Active processed by the autoscheduler when it runs an inactive record will not A new record is active by default Mode Mode Eoraver The Mode field has two options Forever and Once Forever specifies that an autoschedule record is to be kept and used repeatedly Once specifies that the record is to be used only once and then deleted from the store of autoschedule records The default is Forever See Start Date Start Time Days which follows for further explanation Start Date Start Time Days S raue 8B The Start Date Start Time and Days fields together determine the time period for which passes are to be scheduled The time period starts on the date entered in the Start Days i F Date field and at the time GMT entered in the Start Time field and extends over the number of days entered in the Days field For a New record the default Start Date is the current day s date the default Start Time is 00 00 00 GMT and the Days field defaults to 1 Start Time In Forever mode the autoscheduler will schedule passes occurring during the period of time specified by the entries in the Start Date Start Time and Days fields Each time the record is processed the Start Date will be automatically incremented by one day The record will then be processed again at the same time the next day for the same number of days and so on and so forth In Once mode
42. d Cat A yes no indicator of whether or not an archived pass was or will be logged into the online catalog Additional Fields for Cataloged Passes In addition to the fields common to all pass entries Cataloged pass entries include the following fields see Figure 3 2 D on page 3 4 Lines Number of lines in a captured pass Id ID number assigned to each pass archived on tape and used as a locator ID for later retrieval of the pass data which is done by means of TeraScan functions run from the command line Label ID assigned to the tape on which the pass is archived and marked on a label attached to the tape Working with the Pass List TeraCapCon operations such as adding and deleting passes from the list of scheduled passes are performed on passes selected from one of the different types of lists that can be displayed on the TeraCapCon Main Window These operations are explained in other chapters of this manual For example Chapter 5 explains how to display a graphic representation of a pass and Chapter 7 explains how to add a pass to the list of scheduled passes delete a pass from the list or edit scheduling parameters for a pass Here we explain a few things you need to know about working with pass lists 3 8 SeaSpace Corporation Generating a Pass List Selecting Deselecting Passes from the Pass List Select a pass from the pass list by clicking anywhere in the pass entry The pass entry will become highlig
43. display coverage for a satellite pass visible from your receiving site 1 Generate a pass list that includes the pass you want to view Figure 5 1 For this example we have generated an In View pass list 2 From the displayed pass list select the pass entry that corresponds to the pass you want to view Click on the Show Coverage button at the bottom of the TeraCapCon Main Window The Show Coverage dialog box will appear on your screen Figure 5 2 TAA in view Pass List with a NOAA 14 Pass Selected 1 Turn on the In View Pass Filter TeraCapCon T Schedule Search Help System r Satel Telem Date Time Durat Notes noaa 14 hrpt 37 04 09 20 20 30 14300 Elv320 Az366 Master noaa 14 noaa 14 noaa 12 noaa 12 noaa 12 noaa 14 noaa 14 noaa 14 noaa 12 noaa 12 noaa 12 noaa 14 hrpt hrpt hrpt hrpt hrpt hrpt hrpt hrpt hrpt hrpt hrpt hr pt 97 04 09 97 04 09 97 04 10 97 04 10 97 04 10 97 04 10 97 04 10 97 04 10 22 00 00 23248300 00310350 01247330 03330320 08 47 30 97 04 10 97 04 10 97 04 10 14 09 20 20 30 14 00 14 08 50 15 43 30 15 50 03 00 10 40 15340 11 10 12320 16 00 10 04 00 15 20 13 10 Elv 45 Az3260 Elv 0 Elv Elv 84 Elv 8 Elv 11 Elvz 1 Elv3 Elv31 Elv348 Elv 17 fiz 274 Az361 Az375 Az 269 fiz 32 fiz 285 fiz 301 Az386 Az3100 Az3294 Elv 20 Az 66 Master Master Master O srov cnn fo sinne o sits fy cota 6 ook Pe 2 Click
44. ely the same part of the Earth at about the same time each day NOAA POES satellites A series of Polar orbiting Operational Environmental Satellites launched and operated by the U S National Oceanic and Atmospheric Administration DMSP satellites A series of polar orbiting weather satellites that constitute one part of the Defense Military Satellite Program These satellites are launched and operated by the U S Air Force Their signal is avail able only to the U S military and other autho rized users equipped with the necessary decoder and in the Antarctic where signal reception does not require a decoder OrbView 2 A satellite launched and operated by Orbital Sciences Corporation the daily updates of the pass capture schedule 2 Modify the pass capture schdule if necessary by adding deleting or editing pass records 3 View coverage for passes of polar orbiting satellites visible at their own receiving site or at other receiving sites Setting up the Pass Capture Program TeraScan s automated data capture is managed by a scheduling daemon called tsched tsched keeps track of a list of scheduled passes stored in PASSDIR schedlist and upon finding a pass whose start time is nearing sets into motion the capture functions The list of scheduled passes is automatically updated on a daily basis according to rules defined by the user These rules specify which satellite telemetries to capture and from w
45. er explains how to use TeraCapCon to edit the list of scheduled passes TeraCapCon User s Manual 7 1 Editing the List of Scheduled Passes Adding a Pass to the Capture Schedule To add a pass to the capture schedule 1 Generate an In View pass list by turning on the In View Pass Filter at the top ofthe TeraCapCon Main Window See Setting Criteria for the In View Pass List in Chapter 4 to find out how to specify which passes will be included in the In View pass list 2 From the displayed list select the pass you want to schedule You can schedule multiple passes simultaneously if you intend to apply the same scheduling parameters to all of them Kelle Scheduling the Capture of an In View Pass 1 Turn on the In View Pass Filter sj TeraCapCon 3 stem Schedule Search Help Time Durat ubl rtd noaa 12 hrpt rtd hrpt hrpt hrpt hrpt noaa hrpt 97 04 19 12 35 50 05 40 Elv 2 Az38 H noaa 12 hrpt 37 04 18 14 11 40 15 30 Elv353 Az 101 Master rtd 04 13 14 1 d A aster hrpt 7 04 19 5 rtd hrpt hrpt hrpt hrpt 2 Select an In View 3 Click on the Schedule In View button pass from the list to call up the Schedule In View Pass dialog box 7 2 SeaSpace Corporation Editing the List of Scheduled Passes 3 Call up the Schedule In View Pass dialog box Figure 7 2 by clicking on the Schedule In View button at the bottom of the TeraCapCon Main Window 4 Select scheduling options for the pass from the
46. er time Post Process In the Post Process field you can specify a post processing script to be applied to the raw pass data The script can link together any Note Options for the Post Process number of TeraScan functions and other UNIX commands to be field include all the processing scripts automatically applied to the data thus saving you from having to in TeraScan s PASSDIR postprocs directory You could specify a processing script located elsewhere by entering the full pathname of the script 7 6 SeaSpace Corporation run the functions individually pgs_ingest is one post process that can be linked to capture It routes data into TeraPGS where it is processed according to user defined product definitions Click on the pull down arrow to see the menu of available Post Process options then click on an option to select it You can also enter an option from the menu by typing it into the field Enter None if you do not want to run a post processing script Editing the List of Scheduled Passes Editing Parameters of a Scheduled Pass You can change certain capture parameters for a scheduled pass including pass start time and end time Some of the parameters must be changed from the Edit Scheduled Pass dialog box and others are changed from the Edit Process dialog box Using the Edit Scheduled Pass Dialog Box From the Edit Scheduled Pass dialog box you can edit these parameters of a scheduled pass Telemetry
47. ermined by the entry in the record s Start Time field Usually records are set up to be processed at 00 00 00 GMT Editing an Existing Record The steps involved in editing an existing autoschedule record are the same as those just described for creating a new record except that you select an existing record to work with instead of starting a new record Click on the Next or Previous buttons on the Edit Autoschedule dialog box to cycle through the existing records until you find the one you want to edit Edit the record then save it by clicking on the Save button of the Edit Autoschedule dialog box Activating Inactivating Records Records can be activated and inactivated by using the Active toggle option located in the upper left corner of the Edit Autoschedule dialog box See the description of the Active toggle option on the following page Deleting a Record 6 4 SeaSpace Corporation To delete an existing autoschedule record click on the Next or Previous buttons of the Edit Autoschedule dialog box until you find the record you want to delete then click on the Delete button at the bottom of the dialog box The record will be removed from TeraCapCon s store of autoscheduling records and will no longer be available to the autoscheduler Autoscheduling Passes Fields of the Edit Autoschedule Polar Orbiter Dialog Box Active Record of 3 Autoschedule records can be activated and inactivated by turning the A
48. f Contents Conflict Resolution Codes for Scheduled Passes 3 5 The Satel Telem Date Time and Durat Fields 3 6 Additional Fields for In View Passes eee 3 6 Additional Fields for Scheduled and Auto Sched Passes 3 7 Additional Fields for Online Passes ccce eee e eene eere enn 3 8 Additional Fields for Cataloged Passes eere 3 8 Working with the Pass List sssssssssseeeeeee eene nennen 3 9 Selecting Deselecting Passes from the Pass List 3 9 The Refresh Deselect All Bar eene 3 9 Chapter 4 Setting Pass List Criteria 4 1 Setting Criteria for the In View Pass List sse 4 1 Selecting In View Passes of Polar Orbiting Satellites 4 3 Selecting the Satellites The Polar Orbiter Toggle Options 4 3 Selecting the Passes iecceieinece iim sans 4 3 INVA STOR cente a eate etes tere a 4 3 Satellite Blevatlion 2 retenir tr i erbe Por neon 4 4 Sun Elevation a username 4 4 Start Stop Elevation iiia disiros aana 4 5 Alternate Receiver Sites ccccccccscssscessecsssecsseessecsecessecesssesseeeseessees 4 5 Specifying a Time Window uuesnnessesssnenenenenenenenennnenenenennsenen nen 4 6 Selecting Scans of In View Geostationary Satellites 4 6 Selectin
49. g displayed in the TeraCapCon Main Window the passes you specified will appear on it each pass will be indicated by a V in the Status field of the list If no pass list is being displayed or if there are no In View passes on a list being displayed turn on the In View toggle option of the Pass Filters at the top of the window You should then see the In View scans you specified from the In View Search Criteria dialog box JUCE ZHE Selection of all AIW Scans from Meteosat 4 8 SeaSpace Corporation Setting Pass List Criteria Setting Criteria for the Cataloged Pass List Atthe time a pass is captured and archived to tape an entry for the pass can be automatically logged into an online catalog so that the pass data can be located at a later time Whether or not an archived pass is cataloged is determined by the Catalog Pass scheduling option see Catalog Pass on page 6 7 You can then search the online pass catalog to find passes stored on tape You do this by by generating a Cataloged pass list from the TeraCapCon Main Window Passes will be listed according to criteria set on the Catalog Search Criteria dialog box By default the list will include all passes from all satellites for a two day period starting at 00 00 00 GMT on the previous day You can change the criteria that TeraCapCon uses to generate the Cataloged pass list By increasing the number of criteria you can make the Cataloged pass list more specific These operation
50. g the Satellites The Geostationary Toggle Options 4 7 Selecting the Passes Scans sss 4 7 Saving the Settings of the In View Search Criteria Dialog Box 4 8 Setting Criteria for the Cataloged Pass List 4 9 Search Criteria ueteres irent Ietestesen esxeteewed sient ren eve t muon here ad Seeds 4 9 gua iais 4 9 sra m 4 10 Date Range c 4 11 COVELA RC m 4 11 hup 4 12 Satellite Elevation rnoronornnorsnnorsnnonsnnonsnnonannonannnannonn 4 12 SUT Elevation P 4 12 Tape Eabel a en 4 13 Chapter 5 Viewing Pass Coverage eese 5 1 Displaying Coverage for a Pass sss nnn 5 2 The Show Coverage Dialog Box sse 5 3 Pass Cover ge Outline ee eee ere de 5 4 Selection Fields c cccccccccssccessecsscecsscesscesseceseecsseeesseeessessesessecsseecsseeeseessees 5 4 Sensor QPS aisneis ai 5 5 Receiver Site Menu iino geret ere bodie e d he 5 5 Using Drag and Drop to Add Another Pass to the Show Coverage Dialog BOX uenientes 5 6 Replacing One Pass Coverage Outline With Another 5 8 vi SeaSpace Corporation Table of Contents Turning Coverage Off and On sss 5 8 Closing the Show Coverage Dialog Box sese 5 8 Viewing Pass Coverage at a Remote Site
51. h In View and Scheduled passes similar to that shown in Figure 3 1 The Pass List Format 3 2 SeaSpace Corporation Each line of information in a pass list corresponds to one satellite pass We will refer to an individual line as a pass entry The format of the pass entries varies somewhat depending on the type of pass described The different formats are shown in Figures 3 2 Each entry consists of several information fields Some fields are common to all pass types and others vary according to the pass type listed There are six fields common to all pass types Status Satel Telem Date Time and Durat The fields that differ among pass types are grouped under the Notes heading The fields of the pass entries are explained starting on the next page Generating a Pass List Both the In View and TeraCapCon Scheduled pass filters em Schedule Search Help are selected in this example The box for a toggle button lights up black to indicate the button is on noaa 14 E Each line describes a satellite pass The Er type of pass listed is noaa 14 E indicated in the status noaa 14 Aresnnn column each In View eal n eid pass is indicated by a V and each Scheduled oaa 12 s 127120 10 I riz2 Rre nmn pass is indicated by i an S noaa 12 45 A cinnn noaa 14 H 1 Aretnnn nnn To see other passes in the list place your cursor on the scroll bar then press and hold down the left mouse button while you drag the scroll b
52. h satellite elevation is measured Otherwise your receiving site is the point from which satellite elevation is measured The allowable range of values for this field is 0 to 90 The default is 0 You can enter a value by typing it in or you can click on the up down arrows to increase or decrease the value in increments of 1 degree Sun Elevation SITE BR Use the Sun Elevation field to specify the minimum elevation that the sun must reach at its highest point during a satellite pass in order for the pass to be included in the Cataloged pass list A given satellite pass will be included in the list only if the sun s highest elevation above the horizon meets or exceeds the value entered Otherwise the pass will be ignored Elevation is measured in angular degrees Setting Pass List Criteria If you have specified a master in the Master field the center of the area defined by the master becomes the point of reference from which sun elevation is measured Otherwise your receiving site is the point from which sun elevation is measured The allowable range of values for this field is 0 to 90 The default is 0 which means that all daytime and nighttime passes will be considered To indicate that you want daytime passes only enter a value of 1 It is not possible to specify nighttime passes only You can enter a value by typing it in or you can click on the up down arrows to increase or decrease the value in increments of 1 degree
53. he Start Time field and extends over the number of days entered in the Days field For a New record the default Start Date is the current day s date the default Start Time is 00 00 00 GMT and default Days is 1 Start Time In Forever mode the autoscheduler will schedule passes occurring during the period of time specified by the entries in the Start Date Start Time and Days fields Each time the record is processed the Start Date will be automatically incremented by one day The record will then be processed again at the same time the next day for the same number of days and so on and so forth In Once mode the autoscheduler will process the record one time only scheduling passes for the period of time specified by the entries in the Start Date Start Time and Days fields You can type entries into the Start Date and Start Time fields or you can click on the up down arrows to increase or decrease the values in the fields Click on the up down arrows of the Days field to increase or decrease the number of days Autoscheduling Passes Priority Use the Priority field to assign a priority ranging from 1 Highest to 5 Lowest to the record you are scheduling Sometimes scheduled passes can overlap in time When this occurs the pass assigned the higher priority willbe captured and the other will be ignored all else being equal This field defaults to 5 Lowest Priority 5 Lowest Please refer to the discus
54. hich satellites 1 Formore about tsched run thelp tsched GVAR reception from the GOES satellites is handled by adaemon called gvarsched and is not scheduled from TeraCapCon TeraCapCon User s Manual 1 1 What Is TeraCapCon For polar orbiting satellites the rules can also specify pass selection criteria such as the minimum elevation of a satellite at its highest point during a pass or the minimum sun elevation during the pass For geostationary satellites the rules specify the selection of passes for capture based on start times For both polar orbiting and geostationary satellites the rules can specify whether or not the captured pass data is to be archived to tape and if so whether or not the pass is to be logged into the online pass catalog The rules can also specify post capture processing to be applied to the data Telemetries That Can Be Captured The satellite telemetries that can be captured by your nd TeraScan system will depend on the particular satellites positioned over the Equator at an s 1 altitude of 22 300 miles 36 000 km A configuration of your system A TeraScan acquisition geostationary satellite orbits the Earth at the system can be configured for reception of any of the same angular speed as the Earth rotates and following telemetries or any combination thereof thus maintains its same position relative to the Earth HRPT High Resolution Picture Transmission There are normally two geostationar
55. hted it will also appear in the bar below the pass list You can select multiple passes by clicking on additional pass entries Clicking on an already selected pass will deselect the pass When multiple passes are selected the bar below the pass list shows the pass entry of the last pass selected The significance of this is related to the editing of scheduled passes and is explained under Editing Parameters of a Scheduled Pass in Chapter 7 The Refresh Deselect All Bar Clicking on the bar at the top of the list has two effects 1 It refreshes the list being displayed updating it to reflect any newly scheduled passes 2 It also deselects any selected passes and clears the last selected pass from the bar at the bottom of the pass list TeraCapCon User s Manual 3 9 Generating a Pass List 3 10 SeaSpace Corporation Setting Pass List Criteria will be included in a displayed pass list You can specify selection criteria T his chapter explains how to specify the criteria that determine which passes for both In View passes and Cataloged passes Setting Criteria for the In View Pass List The default list of In View passes will show satellite passes occurring at the local receiving site over a 24 hour period starting at 00 00 GMT on today s date You can however specify a different time period or another receiving site or change other criteria that TeraCapCon uses to generate the list of In View passes You do this fr
56. ites TeraScan s ability to automatically capture data depends on a means of predicting when data will be transmitted within receiving range of the system For polar orbiting satellites TeraScan relies on a database called the orbital elements to predict when each satellite will be in view where the satellite will first come into view and the path it will follow across the sky Based on this information the passes of polar satellites can be scheduled for automatic data capture Geostationary Satellites Geostationary satellites generally scan the Earth and transmit images according to a fixed schedule Both the Meteosat and the GMS follow very regular dissem ination schedules The automated scheduling available in TeraScan can be used to select particular scans from among those available For GOES satellites one of several schedules can be implemented by NOAA A routine GOES schedule runs most of the time but other schedules may be run seasonally or as warranted by urgent weather conditions The schedule can change without prior notice For this reason the capture of data from GOES satellites cannot be accommodated by capture scheduling Instead reception of GVAR telemetry is programmed to run continuously and is referred to as continuous scheduling Inasystem configured with a multi telemetry receiver for reception of data from both GOES and polar orbiting satellites the GOES reception is suspended during a scheduled pass of a polar
57. layed on the Show Coverage dialog box is defined by a file called Coast in TeraScan s PASSDIR directory The latitude longitude grid dis played on the Show Coverage dialog box is defined by a file called Grid in the PASSDIR directory orbit this is known as the satellite subtrack The lines running parallel on either side of the center line show the lateral extents of the area covered by the satellite s sensor in this case the Advanced Very High Resolution Radiometer AVHRR These files are generated automat ically when the TeraScan function newsite is run during the initial system setup This particular sensor scans from right to left so that during thenorth bound leg of this satellite s orbit the imager will be scanning east to west and on the south bound leg the imager will be scanning west to east The lines running perpendicular to the subtrack mark one minute intervals You can tell by the swath of coverage whether a satellite is on the northward or southward leg of its orbit As the satellite moves northward there is an easterly component to the direction of travel As the satellite moves southward there is a westerly component to the direction of travel Thus in Figure 5 2 the satellite pass displayed is that of a satellite traveling north Selection Fields 5 4 SeaSpace Corporation The Selection fields at the bottom of the Show Coverage dialog box identify the passes for which coverage is
58. lera Cap Con User s Manual Rev D March 2000 12120 Kear Place Poway CA 92064 USA 2000 1999 1998 1997 by SeaSpace Corporation Poway California 92064 Printed in the United States of America All world rights reserved No part of this publication may be stored in a retrieval system transmitted or reproduced in any way including but not limited to photocopy photograph magnetic or other record without the prior written permission of SeaSpace Corporation This publication may contain or refer to information and products protected by copyrights or patents and does not convey any license under the patent rights of SeaSpace Corporation nor the rights of others SeaSpace Corporation nor SeaSpace personnel does not assume any liability arising from any infringements of patents or other rights of third parties Any product names in this manual are trademarks or registered trademarks of their respective owners The TeraScan product name is a registered trademark of SeaSpace Corporation Representation and Warranty Disclaimer For information about your TeraScan warranty please refer to the Terms and Conditions statement provided with your purchase order SeaSpace Corporation makes no claim to represent nor warrant whether implied or otherwise any interpretation of images in this publication for forecasting weather conditions or for predicting weather conditions SeaSpace Corporation nor SeaSpace personnel makes
59. lready entered in the system TeraCapCon User s Manual 5 9 Viewing Pass Coverage Editing an Existing Site 1 To see what sites have already been defined use the Previous and Next buttons to cycle through the entries When the site you want to edit appears in the Name field you can enter a different name or different latitude longitude coordinates in the respective fields Click on Save when your edits are complete Deleting an Existing Site 1 5 10 SeaSpace Corporation To delete an existing site use the Previous and Next buttons to cycle through the entries When the site you want to delete appears in the Name field click on Delete A dialog box will appear requesting confirmation that you want to delete the site Click on Yes to delete the site When finished click on Close to exit the Site List Editor and return to the TeraCapCon Main Window Aufoscheduling Passes archive and process data from satellites For the user s part this is simply T he TeraScan system can be programmed to automatically capture a matter of creating one or more autoschedule records An autoschedule record is a set of instructions that tells TeraScan which satellites to capture data from and the criteria to use in selecting passes for capture from a given satellite The instructions also say whether or not captured data is to be archived and whether or not a post processing script is to be run on the data Once the
60. n This section describes the different types of controls you will be using to interact with TeraCapCon Buttons A button like the one shown here may be either an action g Edit Scheduled s button or a button that calls up a dialog box Clicking on the button will result in the action named on the button or will call to the screen the dialog box named on the button The Edit Scheduled button shown is an example of a button that calls up a dialog box Clicking on this button will open the Edit Scheduled Pass dialog box Toggle Options E In View J Scheduled Related toggle options are grouped together in rows or columns Click on a toggle option to select it click on it again to deselectit The square to the left of the option lights up green to indicate that the option is selected Here the In View option is selected and the Scheduled option is not Multiple toggle options in a group can be selected simultaneously Some toggle options have text fields or pull down menus associated with them These fields or menus will be enabled or disabled according to whether or not the toggle option is selected Text Fields Rule N 7 To enter text into a text field click in the cibos len field then type the text into the field Choice Fields with Menus There are two types of choice fields iori 1 Highest Priority g ones with pull down menus and 2 High ithi Y ena handle ones with increment arrows You can 3 Medium
61. n View list geostationary satellites 4 7 to 4 8 polar orbiters 4 3 to 4 6 adding passes to schedule 7 2 to 7 3 Advanced Very High Resolution Radiometer avhrr 5 5 alternate receiver sites defining 5 9 deleting 5 10 editing 5 10 selecting In View passes for 4 5 Arc field of pass list 3 7 3 8 autoarchiving Auto Archive option 6 6 6 15 7 5 tape device for 3 7 6 7 6 16 7 6 Auto Sched pass list 3 2 3 7 autoschedule records creating 6 2 to 6 4 6 11 to 6 13 deleting 6 4 6 13 editing 6 4 6 13 avhrr 5 5 Az field of pass list entry 3 6 3 7 azimuth of satellite 3 6 3 7 C C code of Status field 3 3 Cap field of pass list 3 8 Index capture schedule adding passes to schedule 7 2 to 7 3 deleting passes from schedule 7 10 displaying 3 1 editing scheduled passes 7 7 regenerating 7 11 resolving conflicts 7 9 Cat field of pass list 3 8 Catalog Pass option for autoscheduling 6 7 6 16 7 6 Cataloged pass list displaying 3 2 fields of 3 8 search criteria for 4 9 to 4 13 conflicts in schedule resolving 3 5 7 9 continous scheduling 1 3 coverage as catalog search criterion 4 11 displaying 5 1 to 5 8 creating autoschedule records 6 2 to 6 4 6 11 to 6 13 D date and time display 2 6 Date field of pass list 3 6 Define files editing 4 3 defining autoschedule records 6 2 to 6 4 6 11 to 6 13 receiver sites 5 9 Delete Pass button 7 10 TeraCapCon User s Manual H1 Index deleting autoschedule records 6 4 6 13 6
62. n black and the Green toggle option field will identify the pass To display coverage for a third pass repeat steps 2 through 5 This time however position the running man over the blank field associated with the blue toggle option and release The Blue field will be updated with the pass when you release the mouse button The third satellite pass will appear on the map outlined in blue Viewing Pass Coverage LUCERE Dragging a Pass From the Pass List to the Show Coverage Dialog Box System Schedule Searcl Status Satel Telem noaa 14 hret 974 y noaa 14 hrpt noaa 12 hrpt Grab a pass from the pass list place the cursor on the pass and hold down the middle mouse button then drag the cursor onto the Show Coverage dialog box The cursor will change into a picture of a running man Position the running man over the blank field associated with the Green toggle option as shown Release the mouse button when the field of the Green toggle option appears outlined in black TeraCapCon User s Manual 5 7 Viewing Pass Coverage Replacing One Pass Coverage Outline With Another You can replace one pass coverage outline with another on the Show Coverage dialog box by using the drag and drop method discussed on page 5 6 Turning Coverage Off and On You can turn the Red Green and Blue toggle options on and off by clicking on them When coverage is turned on the toggle option appears to be pushed in and i
63. ng its location on tape will be logged into an online catalog so the pass data can be located in the future n means the pass will not be cataloged Only archived passes can be cataloged For example if Arc nnn the pass will not be archived the other two indicators are not applicable in this case If Arc yyy the pass will be archived using the default device and will be logged into the online catalog If Arc ynn the pass will be archived using an alternative device and will not be logged into the online catalog perhaps you are collecting data to be processed at another workstation Proc Name of a post processing script to be applied to the pass data as it is received Please see Post Process on page 6 7 for further explanation TeraCapCon User s Manual 3 7 Generating a Pass List Additional Fields for Online Passes In addition to the fields common to all pass entries Online pass entries include the following fields see Figure 3 2 C on page 3 4 Lines Number of lines in a captured pass For Online passes the value shown will be 0 while a pass capture is in progress Cap Status of pass capture busy a capture is in progress done the pass has been captured failed no pass data was captured Arch Status of the archiving process pending the pass is being captured and will be archived after capture busy the pass has been captured and archiving is in progress done the pass has been archive
64. no warranty of any kind in regard to this material including but not limited to the implied warranties of merchantability and fitness for a particular purpose The information in this publication is believed to be accurate and complete however it is provided for reference only SeaSpace Corporation nor SeaSpace personnel shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing performance or use of this material All specifications as well as the information contained in this publication are subject to change without notice Revision History S W Version Manual Revision Date of Number Number Publication Preliminary June 1997 3 0 Rev A Dec 1998 3 0 1 Rev B April 1999 3 0 1 Rev C June 1999 3 1 Rev D March 2000 TeraCapCon User s Manual iii How to Contact Customer Support at SeaSpace iv SeaSpace Corporation If you experience problems with your TeraScan system or have questions concerning TeraScan you can contact Customer Support by telephone or fax or via the Internet at the following addresses SeaSpace Corporation Tel 858 746 1160 12120 Kear Place Fax 858 746 1199 Poway CA 92064 USA Internet support seaspace com Customer Support will best be able to help you if you provide them with the following information e The version number of your TeraCapCon software To get this information select Help from the TeraCap
65. om the In View Search Criteria dialog box To callup the In View Search Criteria dialog box select In View Search Criteria from the Search menu of the TeraCapCon Main Window The In View Search Criteria dialog box will open on the screen Figure 4 1 TeraCapCon User s Manual 4 1 Setting Pass List Criteria Figure 4 1 The In View Search Criteria Dialog Box Use the controls in the upper half of this dialog box to specify search criteria for geostationary satellites In View Search Criteria MENNNN Use the controls in the lower half of Click on Accept to accept Click on Cancel to exit this dialog box to specify search new settings and close the dialog box without criteria for polar orbiting satellites the dialog box saving the new settings 4 2 SeaSpace Corporation Setting Pass List Criteria Selecting In View Passes of Polar Orbiting Satellites Selecting the Satellites The Polar Orbiter Toggle Options Use the Polar Orbiter toggle options on the lower half of the In View Search Criteria dialog box to select the polar orbiting satellites whose passes you want included in the In View pass list MENNNN Note The satellites that show up as options on this list are those that are defined in TeraScan s PASSDIR satel directory For each satellite there is a corresponding subdirectory named for the satellite noaa 14 for example that contains files relevant to that satellite One of these files is
66. on a pass entry to select it from the list 5 2 SeaSpace Corporation 3 Click on the Show Coverage button to call up the Show Coverage dialog box Viewing Pass Coverage The Show Coverage Dialog Box The major portion of the Show Coverage dialog box consists of amap of the geographical area Warning Do not surrounding your receiver site Latitude longitude maximize or minimize lines overlay the map at 10 degree intervals Our the Show Coverage dialog box It will cause example shows the North American continent and TeraCapCon to crash the Pacific Ocean to the west of it the region surrounding a receiver site in San Diego California Figure 5 2 Coverage Displayed for a NOAA 14 Pass The center line shows the satellite subtrack the path that the satellite traces across the Earth as it moves in its orbit The rectangle outlines the area of coverage for this satellite pass This field identifies the pass being displayed Use this field to select Use this field to select a receiving site a sensor TeraCapCon User s Manual 5 3 Viewing Pass Coverage Pass Coverage Outline Shown on the map outlined in red will be the area of coverage for the satellite pass you selected from the pass list The center line running lengthwise through the pass coverage outline shows the path the satellite traces across the Earth as it travels along its Note The geographical region disp
67. orbiter pass for polar orbiting satellites The period of time during which a polar orbiting satellite is visible to the respective receiving site as the satellite orbits the Earth and during which the receiving site can obtain data being transmitted by the satellite The term is also used to refer to the set of data obtained from a satellite during a pass pass for geostationary satellites A scan of the Earth by the satellite s on board Imager Normally scans for geostationary satellites occur on a fixed schedule A scan can bea full disc or partial Earth scan depending on the type of satellite and the particular time in the satellite s dissemination schedule TeraCapCon User s Manual 1 3 What Is TeraCapCon 1 4 SeaSpace Corporation Getting Started Italso tells you how to start up TeraCapCon and introduces you to the basic T his chapter explains the various types of controls for running TeraCapCon features of the TeraCapCon GUI Launching TeraCapCon There are two ways to launch TeraCapCon From the Launchpad select the Capture tab then click on the TeraCapCon button Or To launch TeraCapCon from the command line enter teracon amp Press Return The ampersand amp tells TeraCapCon to run in the background This en ables you to get back to the command line prompt if necessary to enter other commands or launch other applications while TeraCapCon is running TeraCapCon User s Manual
68. r information Auto Archive Turn on the Auto Archive toggle option to specify that the pass data being captured is to be automatically archived on tape The Device Name field will be activated Turn the Auto Archive toggle option off if you do not want the data archived mi Auto Archive TeraCapCon User s Manual 7 5 Editing the List of Scheduled Passes Device Name Device Name dev rmt On Pu en autoarchive the passes Note Device names are defined being scheduled for capture you must specify in the Device Name in TeraScan s PASSDIR devtable file Devices available as options field the name of the tape drive to which passes are to be written for the Device Name field are Click on the menu handle to see the list of Device Name options determined by the setup of your PASSDIR system config file available Click on an option to select it from the menu Catalog Pass If you have chosen to autoarchive the passes being scheduled for capture you need to choose whether or not the passes are to be logged into the online pass catalog a database of passes archived on tape _ Catalog Pass Turn on the Catalog Pass toggle option if you want to catalog the passes Otherwise the passes will be autoarchived but no record of this will be added to the pass catalog You can use TeraCapCon s Cataloged Pass Filter to list passes in the pass catalog in order to locate a particular pass or set of passes at a lat
69. rea Viewing Pass Coverage Editing Receiver Sites If you want to view passes for a site that is not on the list of Alternate Receiver Sites on the In View Search Criteria dialog box you can use the Site List Editor to add the site to the list see Figure 5 4 To call up the Site List Editor choose Edit Receiver Sites from the System menu of the TeraCapCon Main Window Defining an Alternate Receiver Site TeraScan supports up to 100 alternate receiver sites The current sitenumber and the total number of sites on the system are displayed in the upper left corner of the Site List Editor e g 1 of 15 To define a new site 1 Click on the New button on the Site List Editor dialog box No Name displays in the Name field 2 Enter the name of the new receiver site in the Name text field Enter the latitude and longitude of the new site 4 Click on Save The site you defined will now be available as an option in both the Show Coverage dialog box and the In View Search Criteria dialog box This field displays J the number of sites you have set up and which item in the series you are looking at Enter the Latitude and Longitude of the site you are adding here Enter the name of the new site here or find the name of the site you want to edit or delete Click here to create a new site location Or click here to delete an existing one Click on the Previous or Next buttons to view locations a
70. recognize a field that has a pull 4 Low down menu by its handle Simply click on the handle to see the menu of available options If the list is long adownward pointing arrow will appear in the lower right corner of the menu to let you know there are more options than those showing Click on the arrow to see the rest of the options Click on an option to select it from the menu TeraCapCon User s Manual 2 3 Getting Started Choice Fields with Increment Arrows SETS Fleyanan Choice fields that require numerical values 7 have increment arrows that you use to cycle through the values available for the field You can also enter a value by typing it into the field Scroll Bars At the right of many lists or menus is a scroll bar that dn can be used to bring into view any out of view options E DICE at the top or bottom of the list To scroll through a list E noaa 10 place your cursor on the scroll bar then press and hold J noaa 11 down the left mouse button while you drag the scroll E noaa 12 bar up or down Orclick on the arrowheads above and below the scroll bar to move up or down through the Scroll Bar list one item ata time Sometimes just the arrowheads of the scroll bar are visible Layout of the TeraCapCon Main Window When TeraCapCon starts up the first thing to appear on your screen will be the Main Window shown in Figure 2 1 The most prominent part of the Main Window is the Pass List area
71. rn on the Auto Sched Pass Filter at the top of the TeraCapCon Main Window The passes you just scheduled should appear in the list of passes showing an A in the Status field If In View passes are also being displayed the entry for an Autoscheduled pass will appear just below the entry for the corresponding In View pass 6 12 SeaSpace Corporation Autoscheduling Passes The passes in the Auto Sched list will be added to the list of Scheduled passes the next time the autoscheduler processes this record The particular time at which the record is processed is determined by the entry in the record s Start Time field Usually records are set up to be processed at 00 00 00 GMT Editing an Existing Record The steps involved in editing an existing autoschedule record are the same as those just described for creating a new record except that you select an existing record to work with instead of starting a new record Click on the Next or Previous buttons of the Edit Autoschedule dialog box to cycle through existing records until you find the one you want to edit Make any changes you want to the record then save the record by clicking on the Save button of the Edit Autoschedule dialog box Activating Inactivating Records Records can be activated and inactivated by by using the Active toggle option located in the upper left corner of the Edit Autoschedule dialog box See the description of the Active toggle option on the following page
72. rom the pass list displayed on the TeraCapCon Main Window The Scheduled Pass Filter must be turned on in order for you to have Scheduled passes in the list The pass entry you select will become highlighted You can edit multiple passes simultaneously TeraCapCon User s Manual 7 9 Editing the List of Scheduled Passes 2 Click on the Edit Process button on the bottom of the TeraCapCon Main Window The Edit Process dialog box will appear on the screen as shown in Figure 7 5 3 Make the appropriate entries on the Edit Scheduled Pass dialog box as explained under Fields of the Edit Process Dialog Box starting on page 7 10 4 Click on the Save button at the bottom of the Edit Process dialog box to accept the changes you have made The Edit Process dialog box will close and you will be returned to the TeraCapCon Main Window To cancel changes made and close the Edit Process dialog box click on the Cancel button at the bottom of the dialog box The changes made on the Edit Process dialog box will be reflected on the pass list and you can select another pass from the list for editing if you want Fields of the Edit Process Dialog Box The fields of the Edit Process dialog box have already been explained in conjunction with the Schedule In View Pass dialog box Please refer back to Using the Schedule In View Pass Dialog Box starting on page 7 5 for explanation of those fields Deleting a Pass from the Capture Schedule
73. s are done from the Catalog Search Criteria dialog box Note The online pass catalog is the TeraScan file called PASSDIR passcat To call up the Catalog Search Criteria dialog box select Cataloged Search Criteria from the Search menu of the TeraCapCon Main Window The Catalog Search Criteria dialog box will open on the screen as shown in Figure 4 4 on the following page Search Criteria Don t make your search criteria too permissive or too complex It is possible to specify very large lists requiring considerable time to generate For example if you use no search criteria at all you are asking for all the passes in the online pass catalog This could be a very large order It is also possible to specify a set of criteria that requires considerable calculation time For example if you ask for a specific Satellite Elevation for a large number of satellite passes TeraCapCon must make a calculated comparison for every pass specified It would be best to narrow down the catalog search by asking for particular satellites or by setting a reasonable date range There are five different Search Criteria that you can use in various combinations to specify the passes to be included in a list of Cataloged passes These are Telemetry Satellites Date Range Coverage and Tape Label These criteria are described here Telemetry EEE F Turn on the WB Telemetry Telemetry toggle option to search for passe
74. s black When coverage is turned off the toggle option is gray The coverage outline appears on the map when its corresponding toggle option is on and disappears when it is off Closing the Show Coverage Dialog Box To close the Show Coverage dialog box click on the Close button at the bottom of the dialog box Viewing Pass Coverage at a Remote Site 5 8 SeaSpace Corporation You can display satellite pass coverage for locations other than your receiver site In order to see passes at a remote site 1 Select the site as an Alternative Receiver Site on the In View Search Criteria dialog box see Alternate Receiver Sites on page 4 5 This causes passes at that site to be included in the In View pass list List In View passes by turning on the In View Pass Filter toggle of the TeraCapCon Main Window Passes at your current site will be labeled V1 in the list Passes from remote sites will be numbered consecutively V2 V3 V4 according to their order in the Alternate Receiver Sites list of the In View Search Criteria dialog box Display the map for the remote site in the Show Coverage dialog box by selecting the site from the Receiver Site options drawer located below the display area Drag and drop a listed pass onto the Show Coverage dialog box see Using Drag and Drop to Add Another Pass to the Show Coverage Dialog Box starting on page 5 6 Coverage for the pass will be displayed in the Show Coverage display a
75. s by clicking on the arrow button at the front of the row Use the circle button in the upper left hand corner of these controls to toggle all the hours on and off Select scans for the In View pass list as follows 1 Use the Hours Selection controls to select the hour s out of a 24 hour schedule GMT during which the scans will occur 2 Use the Time Offset field to specify the start time of the scans measured in minutes from the start of the hour You can enter the minutes by typing them in or you can click on the up down arrows to increase or decrease the minutes of the Time Offset field In order to enter seconds you must type them in TeraCapCon User s Manual 4 7 Setting Pass List Criteria 3 Use the Duration field to specify the duration of the pass es in minutes and seconds You can enter minutes by typing them in or you can click on the up down arrows to increase or decrease the minutes of the Duration field In order to enter seconds you must type them in Figure 4 3 shows how you would set up the Hours Selection controls and the Time Offset and Duration fields in order to schedule all AIW scans full disc IR and WV from Meteosat Saving the Settings of the In View Search Criteria Dialog Box In order to save the settings of the In View Search Criteria dialog box click on the Accept button at the bottom of the dialog box The In View Search Criteria dialog box will close If an In View pass list is bein
76. s of a specific telemetry Only cataloged passes whose telemetry matches that named in this field will be included in a Cataloged pass list Click on the menu handle to see the list of available Telemetry options Click on an option to select it from the menu If you do not use Telemetry as a search criterion passes of any telemetry referenced in the online catalog can be included in your Cataloged pass list TeraCapCon User s Manual 4 9 Setting Pass List Criteria Use this dialog box to specify the criteria TeraCapCon is to use in searching the online catalog for passes to be included in a Cataloged pass list The more criteria you set the more specificthe Cataloged pass list will be Click on Accept to save new Click on Cancel to close the dialog settings and close the dialog box box without saving the new settings gel ET The Catalog Search Criteria Dialog Box Satellites Turn on the Satellites toggle option to search for passes from specific satellites The Satellites text field willbe activated Only cataloged passes from satellites named in this field will be included in a Cataloged pass list Type the names of the satellites into the field e g noaa 12 f 12 goes 10 meteo 7 Use single spaces to separate names If you do not use Satellites as a search criterion passes from any satellites referenced in the online pass catalog can be included in your Cataloged pass list 4 10 SeaSpace Corporation Accept
77. s the point of reference from which sun elevation is measured Otherwise your receiving site is the point from which sun elevation is measured The allowable range of values for this field is 0 to 90 The default is 0 which means that all daytime and nighttime passes will be considered To specify daytime passes only enter a value of 1 It is not possible to specify nighttime passes only You can enter a value by typing it in or you can click on the up down arrows to change the value in increments of 1 degree Setting Pass List Criteria Start Stop Elevation Start Stop Elevation B Use the Start Stop Elevation field to specify the elevation of the satellite measured in angular degrees above the horizon of the antenna below which data being transmitted from the satellite will be ignored Figure 4 2 Only the part of the pass above the specified elevation will be reported in the Duration field of passes in the In View pass list Theallowablerangeofvaluesfor AAO this field is 0 to 90 The default Figure 4 2 Start Stop Elevation is 0 A Start Stop Elevation greater than 0 will shorten the apparent pass duration A compared to the time the satellite is actually above the horizon _ o Satellite S You can enter a value by typing H it in or you can click on the up down arrows to increase or decrease the value in increments O Start Stop Elevation of 1 degree H H Horizon Recei
78. satellites generally scan the Earth and transmit images according to a fixed schedule For example the dissemination schedule of the Meteosat includes a full disc IR WV scan once every hour at 2 minutes past the hour at 00 02 01 02 23 02 GMT To select scans for the In View pass list use the controls on the upper half of the In View Search Criteria dialog box A scan must be on the In View pass list before it can be scheduled for capture Setting Pass List Criteria Selecting the Satellites The Geostationary Toggle Options Use the Geostationary toggle options on the E upper half of the In View Search Criteria dialog box to select the geostationary satellite whose scans you want included in an In View pass list Please see Note on page 4 3 to find out how to customize the list of Geostationary satellites Ui Selecting the Passes Scans The Hours Selection controls together with the Time Offset and Duration fields make it easy to select a specific type of scan from the fixed schedule of a geostationary satellite The Hours Selection controls are all toggle buttons Use them as follows to select the hours of occurrence of the scans you want to schedule Click on a numbered button to select that hour click again to deselect the hour The buttons of selected hours will light up green Select a whole column of hours by clicking on the arrow button at the top of the column Select a whole row of hour
79. sed on the currently active autoschedule records Calls up the In View Search Criteria dialog box Use this box to set the criteria for the list of In View passes Calls up the Catalog Search Criteria dialog box Use this box to set the criteria for the list of Cataloged passes passes logged into the online catalog of archived data Calls up the Index for TeraCapCon Help Identifies your version of TeraCapCon TeraCapCon User s Manual 2 7 Getting Started 2 8 SeaSpace Corporation Generating a Pass List In View passes Scheduled passes Auto scheduled passes Online passes T his chapter explains how to display a pass list You can display a list of Cataloged passes or any combination thereof Displaying a Pass List The five Pass Filter toggle options on the upper portion ofthe TeraCapCon Main Window determine what pass types will be displayed in a pass list The five Pass Filter options are e In View Lists past or future satellite passes visible at a specified receiving site during a specified time period The set of passes listed will depend on criteria set from the In View Search Criteria dialog box see Setting Criteria for the In View Pass List starting on page 4 1 It is possible to list passes in view at sites other than the local receiving site see Viewing Pass Coverage at a Remote Site starting on page 5 8 To do so alternate receiving sites must first be defined see Defining an
80. sion under Conflict Resolution Codes for Scheduled Passes starting on page 3 5 for further information Rule Name Rule Name AIW meteo 7 Use the Rule Name field to assign a name to an autoschedule record for easy identification of the record An entry in this field is optional To enter a rule name type it into the field Telemetry Telemetry pdus In the Telemetry field select the telemetry you want to capture The telemetries available for selection will depend on the configuration of your system which is reflected in your PASSDIR system config file You will not be allowed to schedule a pass scan from a satellite whose telemetry your system is not configured to receive even though you can list In View passes from the satellite The telemetry you select will automatically determine the entry in the Telemetry Chain field Telemetry Chain ILE A telemetry chain specifies the hardware configuration used to acquire the telemetry For most systems the telemetry chain will automatically be determined by the Telemetry selected since most systems are configured for only one telemetry chain per telemetry Auto Archive Turn on the Auto Archive toggle option to specify that the pass data being captured is to be automatically archived on tape Turn off the Auto Archive toggle option if you do not want the data archived jel Auto Archive TeraCapCon User s Manual 6 15 Autoscheduling Passes Device
81. ss list TeraCapCon User s Manual 4 11 Setting Pass List Criteria Note Options for the Master field include all the master files Master A master is a TeraScan dataset that defines a geographic area of the earth in terms of extent map projection and pixel resolution Master lowa Japan Mediterranean If you specify a master in the Master field the center of the area defined by the master becomes the point of reference from which elevation is measured for the Satellite Elevation and Sun Elevation of TeraScan s PASSDIR masters directory You can create new masters by using TeraScan 3 0 s TeraMaster application 4 12 SeaSpace Corporation search criteria If you do not specify a master by selecting None your receiving site is the point of reference for measuring these criteria The default is None Satellite Elevation Samne aea B Use the Satellite Elevation field to specify the minimum elevation that the satellite must reach at its highest point during a pass in order for the pass to be included in the Cataloged pass list A given satellite pass will be included in the list only if the satellite s highest elevation above the horizon meets or exceeds the value entered Otherwise the pass will be ignored Elevation is measured in angular degrees If you have specified a master in the Master field the center of the areadefined by the master becomes the point of reference from whic
82. t button to call up the next record in the sequence of available records Click on the Help button to call up help for the Edit Autoschedule dialog box Click on the Close button to quit the Edit Autoschedule dialog box and return to the TeraCapCon Main Window Autoscheduling Passes Autoscheduling Passes of Geostationary Satellites The Edit Autoschedule Geostationary dialog box Figure 6 2 is where you create autoschedule records for geostationary satellites To call up this dialog box select Edit Autoschedule Geostationary from the Schedule menu of the TeraCapCon Main Window If there are no existing records the words New Record will appear in the upper left corner of the dialog box This means the dialog box is ready to be used as a template for creating new autoschedule records If records already exist they can be edited from this dialog box Each existing record will be numbered and the number will be shown in the upper left corner of the dialog box You can click on the Previous and Next buttons at the bottom of the dialog box to cycle through existing records The record number in the upper left corner of the dialog box will change as you do so Creating a New Autoschedule Record There are four basic steps to creating a new autoschedule record from the Edit Autoschedule dialog box 1 To start a new record click on the New button of the Edit Autoschedule dialog box Figure 6 2 The words New Record will appe
83. te Elevation Satellite Elevation B Use the Satellite Elevation field to specify the minimum elevation that the satellite must reach at its highest point during a pass in order for the pass to be included in the In View pass list A given satellite pass will be included in the list only if the satellite s highest elevation above the horizon meets or exceeds the value entered Otherwise the pass will be ignored Elevation is measured in angular degrees If you have specified a master in the Master field the center of the area defined by the master becomes the point of reference from which satellite elevation is measured Otherwise your receiving site is the point from which satellite elevation is measured The allowable range of values for this field is 0 to 90 The default is 0 You can enter a value by typing it in or you can click on the up down arrows to change the value in increments of 1 degree Sun Elevation S salon B Use the Sun Elevation field to specify the minimum elevation that the sun must reach at its highest point during a satellite pass in order for the pass to be included in the In View pass list A given satellite pass will be included in the list only if the sun s highest elevation above the horizon meets or exceeds the value entered Otherwise the pass will be ignored Elevation is measured in angular degrees If you have specified a master in the Master field the center of the area defined by the master become
84. the Edit Wefax Schedule dialog box by selecting Edit Wefax Schedules from the Schedule menu To schedule Wefax images 1 Select your in view geostationary satellite from the Display Schedule for options drawer This must be the satellite named in the Current Wefax Satellite field at the top of the dialog box The schedule of images available from your current in view satellite will be displayed 2 Select the images you want to receive by turning on the appropriate toggle options 3 Click on the Save Schedule button to save the schedule WEICHE Scheduling Reception of Wefax Images m E r m r r a a r r r r r r r TeraCapCon User s Manual 6 19 Autoscheduling Passes 6 20 SeaSpace Corporation Editing the List of Scheduled Passes autoscheduling records Chapter 6 explains how to set up autoscheduling records The list of scheduled passes is updated each time TeraScan processes an autoscheduling record Each record is generally processed once a day with the time of processing for a given record being determined by the start time entered for the record T eraScan generates a list of scheduled passes based on user defined The user is free to edit the list of scheduled passes if a change from the usual schedule is required A pass can be added to the schedule or deleted from the schedule or a pass record can be edited to change certain parameters such as priority or post capture processing This chapt
85. ting on page 7 5 Using the Edit Scheduled Pass Dialog Box on page 7 7 and Using the Edit Process Dialog Box on page 7 9 The fifth button Delete Pass applies to Scheduled passes Clicking on this button will delete a selected Scheduled pass from a list of Scheduled passes as explained under Deleting a Pass from the Capture Schedule on page 7 10 TeraCapCon User s Manual 2 5 Getting Started Search System Schedule Help Help Index Edit Site List Edit Autoschedule Polar Orbiter In View Search Criteria Edit Autoschedule Geostationary Cataloged Search Criteria Schedule In View Edit Wefax Schedules Synchronize Autoschedules Figure 2 2 The TeraCapCon Menu Bar Menu Bar The menu bar at the top of the TeraCapCon Main Window holds four pull down menus System Schedule Search and Help Figure 2 2 Table 2 2 presents a brief description of each of the menu options Getting Help with TeraCapCon Use the Help button on the TeraCapCon Main Window to get 2 Helo help about the Main Window and its controls Each of the other TeraCapCon dialog boxes also have their own Help button for calling up dialog box specific help From the Help menu of the TeraCapCon Main Window you can call up the Help Index to get a list of the help topics available for TeraCapCon Click on a topic in the Help Index to select it Date and Time Display The date and time are displayed in the lower left
86. u must type them in Use the Duration field to specify the duration of the scans in minutes and seconds You can enter the minutes by typing them in or you can click on the up down arrows to increase or decrease the minutes of the Duration field In order to enter seconds you must type them in Figure 6 3 shows how you would set up the Hours Selection controls and the Time Offset and Duration fields in order to schedule all AIW scans full disc IR and WV from Meteosat TeraCapCon User s Manual 6 17 Autoscheduling Passes geiler Selection of all AIW Scans from Meteosat 6 18 SeaSpace Corporation Buttons of the Edit Autoschedule Geostationary Dialog Box Click on the New button to start creating anew autoschedule record Click on the Delete button to remove the record currently being displayed in the Edit Autoschedule dialog box Click on the Save button to save anewly created record or to save changes made to an existing record Click on the Previous button to call up a previous record in the sequence of available records Click on the Next button to call up the next record in the sequence of available records Click on the Help button to call up help for this dialog box Click on the Close button to quit the Edit Autoschedule dialog box and return to the TeraCapCon Main Window Autoscheduling Passes Scheduling Capture of Wefax Images You can schedule the reception of Wefax images To do this call up
87. ving Site Satellite Orbit Portion of Pass Specified for Inclusion Alternate Receiver Sites Alternate Receiver Sites Select the remote site s for which you want to list owa In View passes If the site you _ Texas want is not available as an B Europe B Japan Wl Diego_Garcia option you can use the Site List Editor to add the site to the list see Defining an Alternate Receiver Site in Chapter 5 TeraCapCon User s Manual 4 5 Setting Pass List Criteria Specifying a Time Window Use the Date Time and Days fields to specify the window of time for which polar orbiter passes are to be included in the In View pass list Specify the Tr starting day in the Date field d the starting time hh mm 00 P GMT in the Time field and the B length of time number of days in the Days field The default Date is the current day s date You can enter a date by typing it in or you can click on the up down arrows to increase or decrease the date in increments of one day The default Time is 00 00 00 GMT You can enter the time by typing it in You can also click on the up down arrows to increase or decrease the time by increments of 1 minute Choices for the Days field are 1 2 10 The default is 1 Click on the up down arrows to increase or decrease the number of days Selecting Scans of In View Geostationary Satellites 4 6 SeaSpace Corporation Geostationary
88. y from the NOAA POES satellites satellites continuously viewing the Americas e RTD Real Time Data from the DMSP satellites gt e SeaWiFS data from the OrbView 2 satellite known as the GOES series for Geostationary Depending on location Operational Environmental Satellites GVAR GOES Variable from GOES GOES East currently GOES 8 is posi tioned at 75 west longitude and covers geostationary satellite One of several PDUS Primary Data User System from the eastern Americas and the western Meteosat Atlantic SVISSR Stretched Visible and Infrared Spin GOES West currently GOES 10 is posi Scan Radiometer from GMS tioned at 135 west longitude and covers western North America the eastern North Pacific as far west as Hawaii and the South Pacific Other geostationary satellites from which a TeraScan system can receive images but no sounder data include Japan s Geostationary Meteorological Satellite currently GMS 5 positioned at 140 east longitude and covering Asia Australia and the western Pacific Europe s Meteorological Satellite currently METEOSAT 7 positioned at 0 longitude and covering the Atlantic Ocean Europe Africa and parts of South 1 See your TeraScan Operations and Maintenance Manual to find out America about your system configuration 1 2 SeaSpace Corporation What Is TeraCapCon Which Satellites Require Capture Scheduling Polar Orbiting Satell
89. year month day Time Reports the start time of the pass hours minutes seconds in GMT time Durat Reports the duration of the pass minutes seconds Additional Fields for In View Passes In addition to the fields common to all pass entries In View pass entries include these fields see Figure 3 2 A on page 3 4 Elv For polar orbiting satellites the maximum elevation that the satellite reaches as seen from the tracking receiver measured in angular degrees above the horizon Az For polar orbiting satellites the satellite azimuth at maximum elevation as seen from the tracking receiver measured in angular degrees clockwise from true north Master For polar orbiting satellites a TeraScan dataset that defines an area of the earth in terms of extents map projection and pixel resolution Ifa master is associated with a scheduled pass the pass has been selected for capture because it met minimum satellite elevation and or minimum sun elevation criteria based on elevation measurements made relative to the center of the master If no master is specified the receiving site is the point on the ground from which satellite and sun elevation are measured 3 6 SeaSpace Corporation Generating a Pass List Additional Fields for Scheduled and Auto Sched Passes In addition to the fields common to all pass entries Scheduled and Auto Sched pass entries include the following fields see Figure 3 2 B on page 3 4 Elv
90. you have specified a master in the Master field the center of the area defined by the master becomes the point of reference from which satellite elevation is measured Otherwise your receiving site is the point from which satellite elevation is measured The allowable range of values for this field is 0 to 90 The default is 0 You can enter a value by typing it in or you can click on the up down arrows to increase or decrease the value in increments of 1 degree 6 8 SeaSpace Corporation Autoscheduling Passes Sun Elevation STESSO BR Use the Sun Elevation field to specify the minimum elevation the sun must reach at its highest point during a satellite pass in order for the pass to be selected for scheduling A satellite pass will be scheduled only if the sun s highest elevation above the horizon meets or exceeds the value entered Otherwise the pass will be ignored Elevation is measured in angular degrees If you have specified a master in the Master field the center of the area defined by the master becomes the point of reference from which sun elevation is measured Otherwise your receiving site is the point from which sun elevation is measured The allowable range of values for this field is 0 to 90 The default is 0 which means that all daytime and nighttime passes will be considered To indicate that you want daytime passes only enter a value of 1 It is not possible to specify nighttime passes only You can enter a

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