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1. Giodis User Manual Version 1 0 Last Revised January 28 2009 All contents in this manual are copyrighted by JAVAD GNSS AII rights reserved The information contained herein may not be used accessed copied stored displayed sold modified published or distributed or otherwise reproduced without express written consent from JAVAD GNSS www javad com Chapter l Er eelere TEE 9 Lela Welcome eo cool a ea a S e 9 EZ System INCQUITCMICING Assa pesus ban prosas ss ei as 0 pe 9 Chapter 2 Giodis User Interface 11 21 Ma Wmdoi 4 a a pia pd lu a maas ka E Ee 11 A En e ae enne austa sen ame 12 o uue aa au EE a EE a 13 2 4 Quick Access Toolbar Lu LL LL LL 13 2 5 Map and TabCollecnon LL 14 A dE E eat t EE 15 Chapter 3 Managing Projects s 505 5 k a i tes vedu de r aastad mad eed 17 31 Creatine a New e LE EE 17 3 2 Creating a New Encrypted Project 66eeee LL Le 19 3 3 Opening an Existing bProiect LL Le 21 22 SAVING ADTOJCCLS aaa de ao da oe Peas Ghee ee Cd bo Eee saree 23 3 5 How to Use the Configuration enge 24 JO C lome Aloe us laam va Gudauta seem mia 26 Chapter 4 Working with Project 6 ereerea La 21 4 1 Importing Data Files o ooooooooooo LL LL La 27 4 1 1 Importing a Folder ee ee ui eu all LL LL 28 41 2 ee a File eta mea pes ee da rabies dres oa menes mummud v s 31 4 1 3 Downloading Mea
2. Giodis allows you to download measurement data from web services that collect and archive this data Downloading Measurement Data from a Remote Server on page 31 gives instructions on how to do it If you want to use the IGS CORS reference points in your project Giodis provides you the ability to download the IGS CORS reference points positions from a web service to the project Downloading IGS CORS Stations Positions on page 33 gives instructions on how to do it www javad com 21 with Project Data Files a Folder 4 1 1 Importing a Folder You can import measurement data files which are located in a folder of your computer to the current project To import the folder do the following steps 1 On the ribbon select Project then click Load Folder a Load It opens the Browse For Folder dialog window Figure 4 1 fes Browse For Folder Select folder that contains raw data files CI GIODIS El 5 gnss data 7 2007 OS 23 Eoshuhovo 5 2008 100 7 2008 02 21 Event mark 7 2008 02 21 Subnets IZ 2008 10 17 Hodynka OO California Nekvuork 7 1 0 1 i 2 2 4 i 3 5 6 CI 4 6 30 7 30 5 8 9 6 11 13 Oz 16 18 IZ DAEJ STIO SP3 CI Met 2 ap Make New Folder Figure 4 1 Browse For Folder dialog window 2 Select the desired folder and click OK Files under the folder are being loaded It may take several seconds Note While importing data files measurement data is splitted into sessions Th
3. perform the fully constrained adjustment 40 www javad com Working wi Performing Network A Running the JavadGeo Network A 4 3 2 Running the JavadGeo Network Adjustment To run the JavadGeo Network Adjustment do the following steps 1 Process the sessions and get the subnets how it is described in Running the JavadGeo Engine on page 35 2 Set the local control For this go to the Info tab in the Local Coordinate System drop down list select the desired coordinate system 3 Click s on the Ribbon It opens the JavadGeo Network Adjustment dialog window displaying the progress bar and summary JavadGeo Network Adjustment LO Ellipsoid Li Points Li HorizontalControls Li WerticalControls Li Subnets i Adjustment start 16 52 20 Li SubMets 7 a Points 11 Li Reference Frames 1 4 Subnet Subnet 2 residual summary 4 Subnet Subnet 3 residual summary 4 Subnet Subnet 4 residual summary 4 Subnet Subnet 5 residual summary ci Subnet Subnet 6 residual summary 4 Subnet Subnet 7 residual summary ci Subnet Subnet 8 residual summary i Blunder detection summary El EH El EH El EH El El Figure 4 9 JavadGeo Network Adjustment 4 Click OK when the message appears prompting you the Network Adjustment is complete 5 View the adjustment results e The point image changes from to on the Map e The 3D Solution tab appears underneath the Map and displays
4. 2 mins1000 080 a quin1 000 080 Mei 000 080 2 mhcb1000 080 2 morb1000 080 ban sa0b1 000 080 ban lutz1000 080 2 monb1 000 080 oxmt1 000 080 2 morb1000 080 2 ohln1000 080 2 oxmt1 000 080 2 tibb1000 080 Inc11000 080 ohln 000 080 aa EE Onn Ao 04405 puaba7 zadaj quo y Point Name 2 Lde longitude El Height AMEN CMBE 2544616 Om 4339516 68 m S908867 0810m 38 0203 037711N 1202309 716404 695 4084m 00000 mins Minaret Summit 2456961 218 m 4421387 2261m 3876783 740 m 220115306 NH 1190339 20975 4 2773 692m 0053 de le wl M nd OC O A Aa ad d 1 n ZC EA AA ndd Tene 1414 id Ta aa LA A A nan gt GG ES RE __ R__ r ES ia Info SN Occupations Occupations Graph e Points amp Subnets Catalog Figure 2 6 Map window and Tab Collection 14 www javad com Giodis User 2 6 Status Bar The Status bar provides current information while using Giodis Figure 2 7 and ability to change some settings The Status bar includes the following elements 1 The coordinates of the current mouse cursor position in WGS 84 2 The Coordinate Systems split button allowing you to set a coordinate system for displaying coordinates of the current cursor mouse position 37 The coordinates of the current mouse cursor position in the selected coordinate system 4 The Linear Measurement Unit split button allowing you to select a unit for linear values The default unit is meter 5 The Angul
5. 2 Scroll the list to find the desired coordinate sytem 3 Click the coordinate system It enables the Transformation part contents e Transformations group e Geoids group e Projection group if Projected Coordinate System has been selected 4 In Transformations click next to the desired group and select the desired item Figure 6 14 Dee 3 HAD27 CG077 E Comments es Geoid Name Geoid 2003 North American Geoid SS 63 NAD 27 Michigan Horizontal system HAD83 ag HAD83 Vertical system North American Vertical Datum of 1988 i El Geoid File geoid200345 bin 63 NADBJICSAS Geoid model file geoid2003U5 bin o Se NAD83 HARN MR NAD83 NSRS 2007 MR E Nahrwan 1934 MR Nahrwan 1967 5 3 Hakhl e Ghanem E Naparima 1955 ven O Transformations 117 Geoid File Figure 6 14 Viewing Transformations and Geoids Properties 5 View the item s properties in the Properties part www javad com 59 te System Editor a New Coordinate System Transformation Parameters and Geoids 6 2 3 Creating a New Coordinate System Transformation Parameters and Geoids Creating a New Geodetic Datum Ellipsoidal System To create a new geodetic datum ellipsoidal system do the following steps 1 Click oz on the Ribbon in the pull down menu select Geodetic In Coordinate wstem Systems the Geodetic Datum Ellipsoidal System group opens displaying a new item New geodetic coordinate system at the top Fig
6. 46 43 53 2690 N Max Latitude 74 4929 0435 N Min Longitude DES SS SR EZ TH Max Longitude OS 20 161 Ww Figure 4 5 Global Data Service dialog window 3 In Timespan and Time of Search select the needed observation date it should be earlier than the current date By default the current date is set In Spatial Bounding Box verify that the needed region 1s selected 5 Click seach the Search button Giodis looks for CORS IGS stations for the selected region and lists them in a table Note If no stations appear in the table increase a value in the Timeout ms field or reduce the region in Spatial Bounding Box and click the Search button again Select stations for downloading By default all stations are specified as Selected 7 Click Download the Download button Giodis downloads the data files to the project 8 When the data files have been downloaded click the Occupations tab to see the imported data in the table Also you can click the Occupation Graph tab to view the observation SESSIONS 9 In the Occupations tab select the data to be processed In the Mode column verity that Enable 1s selected for the points to be processed 32 www javad com Working wi Importing Downloading IGS CORS Stations 4 1 4 Downloading IGS CORS Stations Positions If you want to use the IGS CORS reference points in your project you can download their positions from the web service that provides this data Before doing act
7. E P World Figure 6 3 The Source Coordinate System drop down list When navigating to the desired coordinate system use the rules and explanations below e If your source coordinates are given in a coordinate system associated with the appropriate country open the Continents folder then select the desired country For example if you want to set NAD83 click next to the Continents folder go to the North America NAD63 folder and open it Double click NAD63 see Figure 6 4 E fe North America HADES He NAD83 o ss NAD83 UTM zone 10H ss NAD83 UTM zone 11H ss NAD83 UTM zone 12N ss NAD83 UTM zone 13H ss NAD83 7 UTH zone 14H ss NAD83 7 UTM zone 15H ss NAD83 UTM zone 16H ss NAD83 7 UTH zone 17N ss NAD83 UTM zone 18H Figure 6 4 NAD83 selected e If your source coordinates are given in a coordinate system associated with the whole world open the World folder then open one of the WGS folders or go to ITRF or other global systems www javad com 51 te Calculator lculator The icon next to each coordinate system indicates the coordinate system type The four types are available K 3D Cartesian E Geodetic is Grid Local Height System Note If there is no needed coordinate system in the list you should exit from Calculator create one in Coordinate System Editor and then run Calculator again 2 If you have found the coordinate system double click on
8. JAVAD GNSS Inc 2008 All rights reserved No unauthorized duplication
9. Running the JavadG 4 2 2 Running the JavadGeo Engine To run the JavadGeo Engine do the following steps 1 Create a project or open an existing project See Chapter 1 Managing Projects 2 Import measurement data files See Importing Data Files on page 27 Note While importing data files measurements data is splitted into sessions The generated sessions are represented in the Map window and in the Occupation Graph tab 3 If you are working with IGS or CORS reference points include the IGS CORS point positions into the project For this you can use the following options e manually specify a point as ECEF control See Setting ECEF Control on page 36 Note If the point has been specified as ECEF Control it changes from to in the Points tab and on the Map e enable control data contained in the Control points catalog Go to the Catalog tab find the needed control point mark one or several check boxes in the Selected column Note If the control point has been selected in the Control points catalog and included to the project it changes to e in the Catalog tab and on the Map 4 Process the sessions Click Process Sessions on the Ribbon Process Sessions It opens the JavadGeo Engine dialog window displaying the processing progress bar and summary Figure 4 6 Sessions of the project are processed one after another without stopping When all sessions of the project have been processed the Javad Geo
10. and orthometric heights To resolve this problem try to define the geoid model in the Preferred Geoid list 7 Enter the coordinate values in the corresponding fields Figure 6 11 5 Lat EAK Lon 242 E lt a H m 0 Figure 6 11 Entering the coordinates 8 Click Ep to get the resulting coordinates in the corresponding fields www javad com 35 te System Editor ding Main Window Elements 6 2 Coordinate System Editor Coordinate System Editor is intended to view create and edit e coordinate systems e vertical datums e coordinate transformations e geoid models 6 2 1 Understanding Main Window Elements r To run Coordinate System Editor select Tools on the Ribbon and click The main window of Coordinate System Editor includes the Ribbon and area divided into three parts Coordinate Systems Transformations and Properties Figure 6 12 Tab gt 6 Coordinate Transformation Save Undo Delete System T ist New Edit H Aa Earth Centered Earth Fited Cartesian Coordinate System 4 ef Geodetic Datum Ellipsoidal System se Grid Projected Coordinate System 2 i Local Engineering Coordinate System p Vertical Datum Figure 6 12 Coordinate System Editor main window 56 www javad com Coordinate Syst Understanding Main Window Coordinate Systems Coordinate Systems part represents available coordinate systems which are organized into five group
11. automatically to all projects created with Giodis Save As sae 30 P B califarnia1 giodis California giodis My Recent ruza giodis Documents 3 Mu Documents Mu Computer File name glodis My Network Saveastype GIODIS Projects giodis ve Figure 3 2 Save as dialog vvindovv 18 www javad com Managin Creating a New Encrypt 3 The new project saves on the computer and information on the new project appears in the Info tab Figure 3 3 Project Title California Created By new user Company Javad GNSS ECEF Frame ITRF2005 Epoch 12 08 2008 4 00 00 Local Coordinate System WOS 64 Created 081 Modified ted Info sy Occupations a Occupations Graph re Points Subnets Catalog Figure 3 3 New project created 4 Enter the following information e your name in the Created By field e your company name in the Company field e select the ECEF frame for IGS CORS points if they are planned to be used in the project e select an epoch at which the ITRF coordinates will be transformed from a specified epoch e g 2000 or 2005 To get information on ITRF general concepts go to http itrf ensg ign fr general php Note It is important to know when you have selected the epoch you should click the SECTOR button on the Ribbon to download the coordinates of the ECEF frame selected in the ECEF Frame field at the epoch in the Epoch field e select the local coordinate system which control p
12. da ki California al E BOIKOV 4 New Encrypted t californial ri california ki ruza V ruzal I Save As aie 3 Close OO pests 5 Projects Recent Projects 8 Catalogs GIODI E E E E EY Figure 3 8 Projects menu The Open button www javad com Managin Saving 3 If the project you want to open is encrypted the Please Enter a Password dialog box appears Figure 3 9 Enter a password and click OK Figure 3 9 Please Enter a Password dialog box 4 The project opens in the main window 3 4 Saving a Project There are two ways to save an active project using the current project s name and specifying a different name and location To save the current project with the same name do the following steps 1 Click the Javad button to open the Projects menu 2 Click the Save button Figure 3 10 The project will be saved without changing its name and location 40 904 7 Projects Recent Projects amp Catalogs ial New ta California ta BOIKOV a New Encrypted t californial ri californiad i Open L ruza t rural E Y E EE FE SI Save As a 3 Close Figure 3 10 Projects menu Save button www javad com 23 Projects se the Configuration Settings Note The current project is saved automatically while closing the project or exiting the program If you want to accept any changes without closing the project use the Save option as des
13. from the arithmetic mean deviation Standard Error A measure of how close the residuals from all observations in the network adjustment of Unit Weight are to the pre adjustment estimated errors of the observations It is the square root of the sum of the weighted squares of the residuals divided by the degree of freedom If the standard error of unit weight is around 1 0 the errors in a network have been weighted correctly State Plane Grid coordinates in SPC27 or SPC83 systems based on Transverse Mercator and Coordinates Lambert Conformal map projections Static survey A method of GPS surveying using long occupations hours in some cases to collect GPS raw data at static points The data from two or more receivers is then post processed to achieve sub centimeter accuracy Stop and Go A type of GPS Kinematic technique by which the rover data is collected for a few minutes at stationary points Lock on the satellites must be maintained during the survey or a new initialization must be performed Subnet A result of session processing It includes absolute or relative positions of a set of points and variance covariance matrix determined in one session processing run A baseline is the simplest type of a subnet Systematic The errors that are not random and follow certain physical or mathematical rules They errors often occur with the same sign and magnitude in a number of related observations 76 www javad com Appen
14. is generated by Giodis It can be different depending on a Coordinate and Height system defined by the user Figure 6 10 The 2 button Figure 6 10 opens the Transformation XML dialog window allowing you to get detailed information on the appropriate transformation methods and copy this information into the Clipboard by clicking the Copy button Transformation Path North American Vertical Datum of 1988 MAD 2 to NADE3 1 NGS Usa Conus North American Vertical Datum of 1988 aja North American Vertical Datum of 1988 NAD27 to NADE3 1 NGS Usa Conus North American Vertical Datum of 1988 A North American Vertical Datum of 1988 M DZ to NADSS 2 NGS Usa AK North American vertical Datum of 1988 4 w North American Vertical Datum of 1988 7 NAD27 to HADES 3 GC Can NT1 Morth American Vertical Datum of 1988 North American Vertical Datum of 1988 7 NAD27 to HADES 4 GC Can MTZ North American Vertical Datum of 1988 North American Vertical Datum of 1988 M DZ to HADES 5 5G0 Can QC NT1 North American Vertical Datum of 1988 Figure 6 10 Transformation Path drop down list Note If the No transformation message displays in this field there may be two reasons 1 there is some insufficient data for the coordinate transformation To resolve this problem try to input new parameters for the transformation model using Coordinate System Editor 2 it is impossible to implement transformation between ellipsoidal
15. it It is designated as source and appears in the Source Coordinate System field see Figure 6 5 E source Coordinate System O E Figure 6 5 NAD83 is the source coordinate system To set the target coordinate system in the Target Coordinate System drop down list find the desired coordinate system and double click it It appears in the Target Coordinate System field Figure 6 6 32 www javad com Coordinate Using The Target Coordinate System list is organized the same way as Source Coordinate System Use the rule described above to find the desired target system Target Coordinate System ss NAD27 UTM zone 10N 126 to 120 W ss NAD27 7 UTH zone 11N 120 to 114 W ss NAD27 UTM zone 12N 114 to 108 W ss NAD27 UTM zone 13N 108 to 102 W ss MHAD27 UTM zone 14N 102 to 36 W ss NAD27 7 UTH zone 15N 36 to 90 W ss NAD27 UTM zone 16N 90 to 84 W ss NAD27 UTM zone 17N 84 to 78 W ss NAD27 7 UTM zone 18N 78 to 727 W coo WANS 2 Tk gt ima 10M PI kn EES Auf III Figure 6 6 NAD27 selected 4 If you want to use orthometric heights for the source target coordinates mark the check box under Source Target Height System Figure 6 7 open the Source Height System www javad com 53 te Calculator lculator Target Height System list and select the desired height system by double clicking on it Figure 6 8 Source Coordina
16. of and copyrighted material of JAVAD GNSS All rights are reserved You may not use access copy store display create derivative works of sell modify publish distribute or allow any third party access to any graphics content information or data in this Manual without JAVAD GNSS express written consent and may only use such information for the operation of your software The information and data in this Manual are a valuable asset of JAVAD GNSS and are developed by the expenditure of considerable work time and money and are the result of original selection coordination and arrangement by JAVAD GNSS TRADEMARKS Giodis JAVAD GNSS are trademarks or registered trademarks of JAVAD GNSS Windows is a registered trademark of Microsoft Corporation Bluetooth word mark is owned by the Bluetooth SIG Inc Product and company names mentioned herein may be trademarks of their respective owners DISCLAIMER OF WARRANTY EXCEPT FOR ANY WARRANTIES IN THIS MANUAL OR A WARRANTY CARD ACCOMPANYING THE PRODUCT THIS MANUAL AND SOFTWARE ARE PROVIDED AS IS THERE ARE NO OTHER WARRANTIES JAVAD GNSS DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR USE OR PURPOSE JAVAD GNSS AND ITS DISTRIBUTORS SHALL NOT BE LIABLE FOR TECHNICAL OR EDITORIAL ERRORS OR OMISSIONS www javad com 5 d Conditions CONTAINED HEREIN NOR FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM THE FURNISHING PERFORMANCE OR U
17. the new information appearing The imported files are arranged and listed in the Files tab Network view appears in the Map window The detailed information on each point occupation is given in the Occupation tab Figure 4 3 The graphical view of point occupations and sessions is given in the Occupation Graph tab Figure 4 4 The Points tab displays average navigational geodetic and cartesian coordinates and RMS errors for each point 4 1 3 Downloading Measurement Data from a Remote Server Note Before doing actions described below be sure your computer is connected to the Internet and internet connection is not failed otherwise it disables to retrieve data from web services To download measurement data from a remote server do the following steps 1 On the Map draw a rectangle by using the drag and drop technique The rectangle bounds a region for which measurement data will be downloaded www javad com 31 with Project Data Files ing Measurement Data from a Remote Server 2 Click bbs on the Ribbon the Project tab It opens the Global Data Service dialog Service window Figure 4 5 Prefered GSC Retailer Service Search Download Status online Timeout ms 15000 ai Timespan and Type of Search 28 01 2009 3 00 00 RINE Observation Files RINE Navigation Files C RIMEX Meteorological Files Merged Ephemeris Files C SPS Orbit Files Spatial Bounding Box Min Latitude
18. the position of a celestial object as a function of time Ephemeris broadcast The ephemeris transmitted in the Navigation Message of a GNSS satellite The broadcast ephemeris is used to calculate the positions of a GNSS satellite and its clock behavior Ephemeris Post processed positions of a GNSS satellite Precise ephemeris is computed by various precise global agencies from data collected at worldly distributed reference stations 70 www javad com Appendix 1 valid Epoch interval Also referred to as measurement interval epoch rate Time interval between two consecutive observation epochs The difference between a measured or computed value of a guantity and its standard or true value Error ellipse A graphical representation of the magnitude and direction of the positional error Error ellipse 1s centered at the estimated position and shows the region where the least sguares estimate falls with 39 4 one sigma 95 two sigma or other confidence Fast static Also referred to as rapid static or guick static A method of GPS surveying similar to static GPS but with a shorter observation period from 5 to 30 minutes and usually with a faster epoch interval 5 seconds or less To achieve a centimeter level of accuracy 10 mm 1 ppm Fast static technique is used on baselines up to 20 kilometers in length Feature A representation of a real world object in a layer on a map as a distinct set of characteri
19. www javad com 1 er Interface tton This window includes the following areas Javad button Ribbon e Quick Access Toolbar e Map with Tab Collection e Status bar and Language switch 2 2 Javad Button The Javad button enables you to access the program functions and capabilities from one point Clicking the Javad button you open the Projects menu displaying commands that operate on the project as a whole The Figure 2 2 shows the such commands these are New New Encrypted Open Save Save as Close Exit Projects Recent Projects amp Catalogs New k California Val a E BOIKOV ial q New Encrypted V californial la w califomiad la 3 Open V ruza Ja V ruzal El had gt SI Save As a XA Close Figure 2 2 Javad button and Projects menu 12 www javad com Giodis User 2 3 Ribbon The Ribbon represents a set of tabs Each tab groups commands for activities thus the quickly and easy access to the frequently used commands 15 provided For example the Map tab includes all options for map downloading and manipulation such as downloading background maps changing map scale panning zooming etc 30 84 75 GIODIS Project Map Tools A ES AR Pan oom e V GL Zoom In 4 Full Extent a Zoom Out amp Previous Extent 63 Default Background M P Zoom Fan Mouse Mode Figure 2 3 Ribbon Map Group 2 4 Quick Acces
20. B 13 LNC1 14 SUTB 15 ORVB ER california 2008 12 01 13 29 07 Sa EN LD LE O O 1 PointMame O 2544E16 1 JE 2456961 219 2491801 251 2669034 375 291 7229 299 2682295 347 2664063 878 2675631 7 2716641 657 2686857 344 2704027 248 25878 33 988 2609623 054 25731 20 959 4339616 E 4421387 226 4430641 127 4364495 177 4190593 205 4315123 066 4323170 979 43041 26 676 4276729 502 4254627 618 4255051 068 4247044 504 4205514 116 4195903 244 2908861 051 28 6783 74 2833671 5 38 af db 75 26 4076530 220 2842826 041 2040353 301 2860727 3061633 205 2405992 942 2895881 213 24 9066 48 4010440 356 4040136 056 Cade 0663821617 0 657182106 0 640737094 0 641675616 069768772 065077024 0 691 732501 065424225 0 654487255 0 663334367 0 661 320641 0 57 7399602 0 68427111 0 690 355566 H Longitude 2 1011 32638 2 078004569 2 082340899 2 1196531 02 2110878343 2 1 26949444 2 1 23063621 2 1 26978017 2136707373 2 1 34066233 2137113864 2 117961175 2 1261 70574 2 1205801 73 16 4 4 HL Occupations Metric Standalone Points Metric Processed Subnets Metric Occupations Chart Figure 4 10 Report in XLS file format Ell Height 695 4084203 2773 769218 2040 45E331 259 1198823 1103 217719 33 959295 1259 90203 248 7482802 206 5905347 2 415259753 18 01957495 EFE 617 0660738 aa 246512 A Map 3 Click Save button to export d
21. ET MUSB SADE a a QUIN LUTZ A PU MHLCE 03 04 2008 6 00 09 04 2008 12 00 le fal E 25 Info Occupations Occupations Graph Points OI Catalog Figure 4 4 Occupations Graph tab Measurements data files imported The top green line shows the whole time of a session To get the occupation graph in various scales locate the mouse cursor over the graph press and hold down the Ctrl key hold down the left mouse button move the mouse cursor up it increases the graph size or move the mouse cursor down it decreases the graph size You can also use C and FI near the horizontal and vertical scroll bars correspondingly to open the list of scales and select the desired scale e The Points tab displays average navigational geodetic and cartesian coordinates and RMS errors for each point www javad com Working wi Importing Impor 4 1 2 Importing a File You can import a measurement data file or multiple files not a whole folder located on your computer to the current project To import a file do the following steps 1 On the Ribbon select Project then click Load File It opens the Open dialog window Se 2 Navigate to the folder in which the file is located select the file and click Open Note To select multiple sequential files press Shift and then use the Up and Down keys To select nonsequential files press Ctrl and click the desired files 3 When the file has been loaded you can study
22. Enable 03 04 2008 11 00 09 04 2008 12 59 ADAC M T 0 0614 LUTZ w Enable 09 04 2008 8 00 09 04 2008 8 59 4547009360 M 0 067 HHCB w Enable 09 04 2008 8 00 09 04 2008 8 59 4547009360 M 0 0687 MOND w Enable 09 04 2008 8 00 03 04 2008 8 59 4547009360 M 0 0355 al a pres Mi CA AA COOC us na an CL En OI ITC bd CH derr s Catalog E Paints Figure 4 3 Occupations tab Measurements data files imported The Occupation tab displays the following information the point s name mode observation period antenna height and type navigational coordinates and deviations The Mode column is editable Check that all points in this example have the Enable mode It means that all occupations will be accepted for further processing www javad com 29 30 with Project Data Files a Folder The Deviation column is shown for checking points that have the same name but referred to differ ent locations For a point that was occupied only once and therefore no check data for its position is available the zero deviation is shown If a point was occupied more than one time the devia tions between navigation positions for 1ts occupations are given referred to the occupation position that has minimal RMS value for this reference position zero deviation is assigned e The graphical view of point occupation and sessions is given in the Occupation Graph tab a Sessions A E PS E EEE RRA San CMBB E EEE mins Minaret Summit EES E E
23. Engine dialog window closes Note If you want to see the results after finishing each session processing clear the Continuous processing check box in the Configuration dialog window the Processing tab In this case you must click OK Figure 4 6 to begin processing of the next session www javad com 35 with Project g Static Observations the JavadGeo Engine JavadGeo Engine vi Engine Started Ei Session 2 processing summary Li Processing start 14 11 58 i Data analysis summary 1 Rejection statistics 1 Observation epoch in process 2008 04 09 03 59 00 Figure 4 6 Javad GeoEngine dialog window 5 View the processing results The point image changes from to on the Map e The Subnets tab appears underneath the Map showing the following information subnet number subnet type points included in the subnet point s coordinates and RMS errors Subnet type displays Vectors or Absolute Subnet is designated as Vectors if the IGS CORS ref erence points data is not used Subnet is designated as Absolute if the IGS CORS reference points data is used Note Inthe Subnets tab the first point of the list is Initial Point This point is designated as Initial Point by the program and its coordinates are not assigned accuracy estimate as you can see it in the corresponding RMS columns of the table Note In the Subnets tab if the subnet type is Absolute IGS CORS points coordinates are considered to be p
24. SE OF THIS MATERIAL SUCH DISCLAIMED DAMAGES INCLUDE BUT ARE NOT LIMITED TO LOSS OF TIME LOSS OR DESTRUCTION OF DATA LOSS OF PROFIT SAVINGS OR REVENUE OR LOSS OF THE PRODUCT S USE IN ADDITION JAVAD GNSS IS NOT RESPONSIBLE OR LIABLE FOR DAMAGES OR COSTS INCURRED IN CONNECTION WITH OBTAINING SUBSTITUTE PRODUCTS OR SOFTWARE CLAIMS BY OTHERS INCONVENIENCE OR ANY OTHER COSTS IN ANY EVENT JAVAD GNSS SHALL HAVE NO LIABILITY FOR DAMAGES OR OTHERWISE TO YOU OR ANY OTHER PERSON OR ENTITY IN EXCESS OF THE PURCHASE PRICE FOR THE TRACY SOFTWARE LICENSE AGREEMENT Use of any computer programs or software supplied by JAVAD GNSS or downloaded from a JAVAD GNSS website the Software in connection with the JAVAD GNSS receivers constitutes acceptance of these Terms and Conditions in this Manual and an agreement to abide by these Terms and Conditions The user is granted a personal non exclusive non transferable license to use such Software under the terms stated herein and in any case only with a single computer You may not assign or transfer the Software or this license without the express written consent of JAVAD GNSS This license is effective until terminated You may terminate the license at any time by destroying the Software and Manual JAVAD GNSS may terminate the license if you fail to comply with any of the Terms or Conditions You agree to destroy the Software and manual pon termination of your use of software All ownership copyrigh
25. ach Geodis includes the following key features e tools for data files importing e high precision post processing engine e network adjustment of vectors and multi site subnets extended coordinate systems database 1 2 System Requirements Before installing and running Giodis be sure that your computer satisfies the following requirements e Pentium III compatible processor or higher e Microsoft Windows XP Vista e RAM 1GB minimum or 2GB or more recommended e 150MB free disk space and 7GB additional free disk space for World Map www javad com 9 ion equirements 10 www javad com Chapter 2 GIODIS USER INTERFACE This chapter describes elements of the Giodis user interface In general the Giodis user interface is clear and intuitive understandable But getting acguainted with the main components of the user interface and its design concept is the best way to start job in Giodis In future it helps users to avoid complexities on finding needed tools or options and to focus on making their jobs 2 1 Main Window When you start Giodis the main window appears If you start Giodis for the first time you can see a map set by default If an existing project has been opened you can see a picture that looks like this Figure 2 1 MAK L gt SET bien Nas Testa ER a e a Laad Laad Global Data SECTOR Folder File Sereice aki allika et Figure 2 1 Giodis Main window
26. ameters between GPS surveyed coordinates and the coordinates of known points given in a local coordinate system Map projection A set of functions relating latitudes and longitudes at ellipsoid into map grid coordinates The relationship between a distance on a map and the corresponding distance on the ground Meridian The curve in which a plane through the minor axis of a reference ellipsoid intersects the geodetic ellipsoid All points at this curve have the same geodetic longitude www javad com 73 1 Glossary Multipath Interference caused by GPS signals reflected from nearby objects or other reflective surfaces NAD 27 North America datum of 1927 Horizontal coordinate system used throughout the U S until 1986 Based on Clarke ellipsoid of 1866 North America datum of 1983 Three dimensional coordinate system for U S Canada and Mexico Originally published in 1986 Based on the GRS 80 ellipsoid NAD 83 NAVD 88 North American Vertical Datum of 1988 Vertical elevation reference system for U S Canada and Mexico The NAVD 88 replaced the National Geodetic Vertical Datum of 1929 NGVD 29 The data message broadcast by each GPS satellite at 50 bits per second This message contains ephemeris and clock data for that particular satellite and almanac for all GPS satellites Navigation message NAVSTAR NAVigation Satellite for Timing And Ranging The official name for the GPS satellites NGVD 29 Nati
27. ar Measurement Unit split button allowing you to select a unit for angular values The default unit 1s degree minute second The Language switch allowing you to select the language for the user interface 37 2930 37N 117 24 54 6 W WGS 84 37 29 30 3 N 117024 54 57N E meter DMS E et Figure 2 7 Status bar www javad com 15 er Interface 16 www javad com Chapter 3 MANAGING PROJECTS Giodis Project is intended to display in graphical and tabular view imported data data processing and represent processing results Only one project can be active A project is saved automatically while closing the project This chapter learns how to e create a new project e create a new encrypted project e open an existing project e save a project e set the configuration settings and use them for future projects e close a project 3 1 Creating a New Project To create a new project do the following steps www javad com 17 Projects a New Project 1 Click on the Quick Access toolbar Figure 3 1 Or click the Javad button then the New button Figure 3 1 daO 9 BA BE 75 Projects Recent Projects amp Catalogs NA Bei New Encrypted H a Open FEE Figure 3 1 The New button 2 It opens the Save as dialog window Figure 3 2 In this dialog window navigate to the desired folder enter a project name and click Save Note Notice that the file extension giodis is added
28. ata to the file It runs Microsoft Excel and opens this file ESPESA AMSN AME 00025458 OI 0 0020842 OI 0 0024321 D 0 0021343 D 0 0025083 O 0 0046318 D 0 0039538 OI 0 0035025 O 00071975 D 0 002733 Ol O 0031365 D 0 0034012 D 0 0024627 OI 00061017 D we F www javad com Chapter 5 MAP OPTIONS Giodis displays maps as a background to show location of surveyed points and control data Giodis uses maps developed by Map Suite from ThinkGeo There are three types of maps available Global includes major road level maps of the World e USA includes scalable street level maps of USA e Canada includes scalable street level maps of Canada This chapter learns how to e display a map e move around a map e display a layer e get point coordinates 5 1 Displaying a Map You can select one of the several available maps for displaying in the Map window Giodis uses the Default map unless you select another from the list The Default map is a non detailed scalable map covering the globe www javad com 43 ons g a Map Note To display none of the maps in the Map window clear the Background Map check box at the bottom of the main window see Figure 5 1 It may be useful if you want to increase the speed of processing data ASE asa We GIODIS ax Y Processing Map Tools A Zoom Out Previous Extent th Pan Zoom Background Ma Zoom Mouse Mode Subnetz Points Error Ellipses Subnet Solution L
29. atitude amp Longit Country Earth Backoroun Background Map 1420 51 34 W 112035 36 S E NGS 847 ES 142051 34 W 112035 3675 Figure 5 1 Background Map check box To display a map do the following steps 1 Open the list of available maps For this use one of the two ways e On the Ribbon select the Map tab Then in the Background group click the button a see Figure 5 2 8 w7 Processing Map Tools 3 oa Background lt le Fan Zoom E Zoom In H Full Extent a zoom Out amp Previous Extent e Zoom Fan Mouse Mode Figure 5 2 The Map tab e On the Quick Access Toolbar click the button see Figure 5 3 a 5 a 4 17 Figure 5 3 The Ouick Access Toolbar Using either way the list of available maps opens a Default Figure 5 4 List of available maps 2 Select the desired map This map displays in the Map window 44 www javad com Ma Moving Aro 5 2 Moving Around a Map You can zoom and pan your map in the Map window Use the options of the Map tab on the Ribbon depending on your needs and explanations below The Zoom group includes the following options Map Tools Al Zoom In 4 Full Extent a Zoom Out E Previous Extent Zoom Figure 5 5 Zoom group Zoom in increases the scale of the map Zoom out decreases the scale of the map Full Extent extents the map to its default maximum size Previous Extent saves all previous map extents and goes bac
30. ce of pseudo random binary biphase modulations on the GPS carrier at a chip rate of 10 23 MHz Each satellite has a unique one week segment of P code that is reset at Saturday Sunday midnight 74 www javad com Appendix 1 PDOP Mask The highest PDOP value at which a GPS data is collected The point in an orbit at which the satellite is closest to the Earth s center of mass The electronic center of an antenna at which the radio signal is measured Point Also Absolute Positioning GNSS positioning with use of a single receiver in a Positioning standalone mode Parts per million The differential processing GNSS data after it has been collected in the field and stored on a computer Precise Positioning The most accurate single receiver GPS positioning based on the dual frequency P code Service PPS Precision A degree of agreement of an estimate with its mean value in repeated sampling Precision estimates reflect random error and are not affected by bias Prime meridian The reference line for measurements of longitude The meridian passing through Greenwich England is almost universally accepted as the prime meridian Pseudorange The range between the GPS receiver antenna and the GPS satellite measured by the receiver using either the C A or P code PZ 90 A global ECEF coordinate system established as the reference frame for GLONASS GLONASS broadcast Ephemeris is given in PZ 90 Random Er
31. coordinate system where the X axis is coincident with the zero meridian Centered Earth the Z axis is coincident with the earth s mean rotation axis and the Y axis lies on the Fixed equatorial plane thus completing a right handed coordinate system EGNOS European Geostationary Navigation Overlay Service A European system of satellite navigation that provides satellite navigation correction and validation throughout Europe It consists of three geostationary satellites and a network of ground stations EGNOS will augment the two satellite navigation systems now operating GPS and GLONASS The distance from a point to a reference surface most often the geoid measured along a plumb line Elevation angle The angle above the horizon measured from the horizontal plane Elevation mask Also referred to as mask angle and cut off angle The elevation angle below which satellite signals are no longer tracked or processed Ellipsoid In geodesy a mathematical model of the earth formed by rotating an ellipse around its minor axis The ellipsoid is described by dimensions for the semi major axis a together E with the semi minor axis b or by the semi major axis and flattening f a b a llipsoid height The distance from a point to the reference ellipsoid measured along a line normal to the ellipsoid Ellipsoid An ellipsoid associated with a specified geodetic datum or reference system reference A set of parameters that describes
32. cribed above To save the current project with a different name and in a different location do the following Steps 1 Click the Javad button to open the Projects menu 2 Click the Save as button Figure 3 11 It opens the Save as dialog window 3 da EE 77 GIODI Projects Recent Projects amp Catalogs al New California al ki BOIKOV zi 3 New Entrv ted V californial i california0 la 3 Open t ruza ll V ruzal la Delete Ze Clear List a E Figure 3 11 Projects menu Save as button 3 In the Save as dialog window select a folder if you want to change the project location In the Save as dialog window enter a new project name 1f you want to change the project name 5 Click the Save button the project 1s saved with the name and location you defined 3 5 How to Use the Configuration Settings Giodis applies the configuration settings to any project The configuration settings include measurement units and processing parameters You can view and change the default configuration settings The newly entered settings can be saved in the configuration file giocfg and used for other projects To change and save the configuration settings do the following steps 24 www javad com Managin How to Use the Configuratio 1 Click the conauws button in the upper right corner of the main window It opens the Configuration dialog window Figure 3 12 KEEN Configuration X L UOM and Coord
33. ct g Network Adjustment r of Adjustment 2 After the free adjustment is successfully finished 1 e all blunder vectors have been detected and removed from the network do the constrained adjustment with minimal control At this step constrain the adjustment solution by only one horizontal control position in case of horizontal adjustment or by one fixed height when you are interested in adjusting vertical positions or by both horizontal and vertical coordinates when doing three dimensional adjustment Note that in the latter case you may use fixed horizontal coordinates and height that refer to different control points 3 In this adjustment for all points of your network including control points the local coordinates are calculated Compare the calculated coordinates of the control points other than the point that was used as fixed with their published true values If the differences are more than expected the corresponding coordinates may be incorrect Check the suspect coordinates at worst do not use the corresponding control point positions in the final adjustment It also may be so that the calculated position differences for all points are big but very close to each other This may indicate that an error occurs in the position of the point that was chosen as fixed In this case select another control point and try Step 3 again 4 After all your control coordinates have been successfully checked you may do the final step 1 e
34. d onto the GPS Ll signal Also known as the civilian code or S code The C A Code allows a receiver to guickly lock on to a satellite Calibration Process of determining systematic errors in an instrument by comparing its measurements with a standard Carrier The basic frequency of an unmodulated radio signal frequency In GNSS satellite signals are broadcast on two L band frequencies L1 and L2 Carrier phase The cumulative phase of either the L1 or L2 carrier of a satellite signal measured by a receiver since locking onto the signal Catalog Catalog geodetic A database that contains positions and other geodetic data for control and surveyed points Central A line of constant longitude that passes through the center of a zone The central meridian meridian is defined by the angle it forms east or west of the Greenwich meridian In a map projection it is used as one of constants defining the projection In a receiver a hardware to receive the signal from a single GNSS satellite Chi square test Also referred to as global or VPV test The global statistical test of the network adjustment It is used to reject or to accept the hypothesis that the variances for the adjusted observation are close to expected Clock bias The difference between the satellite or receiver clock s indicated time and a time scale reference such as UTC Coordinated Universal Time TAI International Atomic Time or GPS Time Clock Th
35. dix 1 Satellite vehicle or space vehicle A statistical technigue for blunder detection Large scale motion of Earth s surface plates The path followed by an object moving through space Transformation A set of parameters that transform one coordinate system to another Transformation parameters parameters may be user defined or estimated either in the constrained network adjustment or localization process Tribrach A platform on three short legs each having leveling screws Tribrach 1s used for leveling and centering a surveying instrument Tripod A three legged adjustable stand used to set an instrument and eliminate or reduce its movement during survey Triple The arithmetic difference of seguential doubly differenced carrier phase observations difference Trivial baseline The baseline that is mathematically correlated with other baselines derived from the same observing session because the data used for this baseline has already been used to process the independent baselines Troposphere The lower level of the atmosphere extending from the Earth s surface to a height varying from about 9 km at the poles to about 17 km at the equator Tropospheric The propagation delay of a GNSS signal introduced by the electrically neutral Delay atmosphere The tropospheric delay consists of wet and dry components with the wet component be responsible for approximately 10 percent of the total delay U
36. e been processed along with data from IGS CORS reference stations the adjusted subnet consists of absolute ECEF coordinates and the covariance matrix of the subnet All these types of processing subnets can be adjusted together 3 Minimally constrained 3D adjustment of the GNSS subnets is performed its results are analyzed based on the Tau and Chi square VPV statistical tests Tau test allows to detect and reject blunders in adjusted observations VPV or global test 1s used to check whether the 38 www javad com Working wi Performing Network A The Order of A observation error estimates made by the processing engine are close to the expected If this is so the standard error of unit weight output by adjustment is close to 1 4 After finishing the minimally constrained adjustment a fully constrained adjustment is run The constraints are horizontal and or vertical coordinates of local control points The Giodis software allows three types of constrained adjustment e Horizontal adjustment in which only horizontal control coordinates geodetic or grid are known In this case the output results are adjusted horizontal positions of GNSS network e Vertical adjustment in which only elevations are used as control data In this case the main goal is to calculate point elevations referred to a local vertical datum e Three dimensional adjustment with both horizontal and vertical control In this case horizontal coordinates and heig
37. e generated sessions are represented in the Map window and in the Occupation Graph tab 3 When the files have been loaded you can study the new information appearing 28 www javad com Working wi Importing Importin e The imported files are arranged and listed in the Files tab gt Observations cmbb1 000 080 ming 000 080 El muzb1000 08a ES sao061000 080 cmbb1 000 080 mine O00 080 puaba7 quin 000 080 lutz1 000 080 mhcb1 000 080 monbl 000 080 aob 000 080 lutz1000 080 monbi000 08a oxmtl 000 080 monbl 000 080 ohln1000 080 oxmtl 000 080 tibb1 000 0 Inz11000 042 ohln 000 080 sutb1 000 080 tibb1 000 080 Inc11000 080 orvb1 000 080 quin 000 080 sutb1 000 080 V GPS Ephemeris autol 000 05r zadr yuo C Program Files1lavad 64551 Figure 4 2 Files tab data files have been imported e Network view appears in the Map window e The detailed information on each point occupation is given in the Occupation tab Figure 4 3 MBE af Enable 09 04 2008 16 00 09 04 2008 17 58 454700936C M 0 0083 a mins Mmaret Summit af Enable 03 04 2008 76 00 09 04 2008 17 59 4547009360 M 0014 MUSE A Enable 09 04 200876 00 09 04 2008 17 59 454701945C M 0 1015 7 SAOB A Enable 09 04 2008 16 00 09 04 2008 17 59 4547009360 M 0 1266 CHEE A Enable 039 04 2008 11 00 09 04 2008 12 59 ASH FOO93S6C_M 0 0083 A mins Mmaret Summit f Enable 09 04 2008 11 00 09 04 2008 12 59 ASHFOO936D_M 0 014 GUI A
38. e quantity added to the time shown by a clock to obtain the correct time correction Clock rate The rate of change of a clock correction Constraint A restriction to the behavior of a variable In network adjustment the coordinates of control points are constrained or fixed to their known values A line on a map joining points of equal elevation Control 1 Points which are used as reference for other surveys 2 The reference coordinates of control points horizontal or vertical Control Ground based component of a GNSS system that controls the satellites for proper segment function Coordinate A reference frame used to define the location of points in three or two dimensional System space 68 www javad com Appendix 1 Coordinate Any coordinate system with origin at the center of the Earth system See also ECEF Earth Centered Earth Fixed geocentric Coordinate A plane rectangular coordinate system based on a map projection system grid Coordinate A system or datum adopted as the fixed vertical reference system height Coordinates Angular and or linear quantities used to specify the position of an object in a given reference system Coordinates A set of coordinates latitude longitude and height referred to a reference ellipsoid geodetic Geodetic latitude an angle between the equatorial plane of the ellipsoid and the line normal to the ellipsoid Geodetic longitude an angle between the plane of local g
39. eodetic meridian and the plane of the initial prime geodetic meridian Geodetic height see Ellipsoid height Coordinates Coordinates in a plane rectangular coordinate system based on a map projection Grid grid coordinates are normally referred to as Easting and Northing Correlation Standardized covariance between two variables varying from 1 negative correlation through 0 no correlation to 1 positive correlation CORS Continuously Operating Reference Stations GPS base stations on the U S territory that provide carrier phase and code range measurements for real time and post processing applications Covariance A measure of the stochastic dependence between two observed or derived quantities Covariance also refers to an off diagonal term in a covariance matrix Covariance Also referred to as variance covariance matrix A measure of the correlation of errors matrix between observations or derived quantities The elements along the main diagonal of covariance matrix are the variances of the corresponding variables those off the main diagonal are the covariances Cycle sli A discontinuity in carrier phase observations usually of an integer number of cycles y p y p ually ger y resulting from temporary loss of lock in the receiver s carrier tracking loops Datum A set of parameters defining the coordinate system used for horizontal or vertical control Deflection of The angle between the vertical plumb line at a point and
40. ession processing that allows accounting for correlations between simultaneously observed vectors and removing the problem of trivial vectors If a session includes two points observation the engine fulfills traditional baseline processing Un differenced zero differenced phase and code data are processed e Lambda method of phase ambiguity resolution is used The meteodata library is used for a priori troposphere delay calculating The library contains the global spread meteodata Meteodata for a surveyed point is interpolated based on the point geographical location and height as well as the observation date and time Direct impact and behavior of ionosphere and troposhere satellite and receiver clocks on GNSS observations are estimated Orbit relaxation parameters are determined The IGS CORS reference points data and the user collected observation data are processed jointly This allows better estimating satellite clocks and orbit relaxation parameters thus improving the accuracy of surveyed points This in turn enables to better determine long baselines even without precise ephemeris The effects of solid Earth tide on point positions are accounted for The result of the JavadGeo engine is e a multi vector subnet if the IGS CORS reference points data is not used for processing or e a multi points subnet if the IGS CORS reference points data is used for processing 34 www javad com Working wi Processing Static Ob
41. f the vertical grid lines of a map projection S El displacements at locations throughout the United States HTDP Horizontal time dependent positioning software that allows to predict horizontal Histogram A histogram is a graphical display of the size and distribution of residuals in a network adjustment ES The angle betvveen the orbital plane and the celestial equator Independent baselines Also referred to as non trivial baselines A set of baselines vvhere no individual baseline is a linear combination of others For any given session there are n 1 independent baselines where n is the number of receivers operating Integrity The ability of a system to provide timely warnings to users when the system should not be used for navigation as a result of errors or failures in the system Interface Control A government document that contains the full technical description of the interface between the components of a GNSS system Document ICD coordinates earth orientation parameters satellite clock corrections tropospheric and ionospheric models Ionosphere The layer of the atmosphere approximately 80 to 640 kilometers above the earth s surface that contains electrically charged particles ions The ionosphere causes a delay in the propagation of a GNSS signals IGS International GPS Service for Geodynamics A voluntary federation of many worldwide agencies working cooperatively to operate a permanen
42. for the Local Engineering Coordinate System e Name for Vertical Datum www javad com 57 te System Editor Properties 6 2 2 Viewing Properties Viewing Coordinate System Properties To view coordinate systems properties do the following steps 1 In Coordinate Systems click next to the desired group to open the list of available coordinate systems 2 Scroll the list to find the desired coordinate sytem 3 Click the coordinate system The coordinate system is highlighted and its properties appear in Properties Figure 6 13 In Transformations the information on transformations and the geoid models associated with the coordinate system appears see the details in Viewing Transformations and Geoids Properties on page 59 Coordinate Systems Properties O HAD27 76 A Mame MADB3 Related ECEF system HADES NAD27 CG077 Elipsoid GRS 1980 3 HAD27 Michigan Comments This CRS includes longitudes which are P ESI NAD83ICSRS NAD83 HARN NAD83 NSRS2007 Nahrwan 1934 3 Nahrwan 1967 ea Hakhl e Ghanem Transformations G3 Transformations 117 Geoids 1 Figure 6 13 Viewing Coordinate System Properties 58 www javad com Coordinate Syst Viewing Viewing Transformations and Geoids Properties To view transformations and geoids properties do the following steps 1 In Coordinate Systems click next to the desired group to open the list of available coordinate systems
43. gineering coordinate system do the following steps d 1 Click 55 on the Ribbon in the pull down menu select Local In Coordinate Systems the Local Engineering Coordinate System group opens displaying a new item New local coordinate system Figure 6 17 Coordinate Systems Properties Name E t Local Engineering Coordinate System ammenta Ei Mew local coordinate system t Astra Minas Grid t Barcelona Grid B1 t Barcelona Grid B2 t Barinas west base t Dabajuro El Cubo e EPSG local engineering grid example A M EPSG local enaineerina arid examole B Transformations Figure 6 17 New local engineering coordinate system 2 In Properties select and fill the following fields e Name Type in the new coordinate system name 3 Click tr the Save button on the Ribbon The new local engineering coordinate system appears in the list Creating a New Vertical Coordinate System To create a new vertical coordinate system do the following steps L 1 Click 55 on the Ribbon in the pull down menu select Vertical In Coordinate Systems the Vertical Datum group opens displaying a new item New vertical coordinate system at the top 2 In Properties select and fill the following fields e Name Type in the new coordinate system name 62 www javad com Coordinate Syst Creating a New Coordinate System Transformation Parameters a 3 Click the list ve the Save button on the Ribbon The new vertica
44. he height of a GPS antenna phase center above the surveyed point Antenna Phase The electronic center of an antenna at which the radio signal is measured The location of Center the phase center is defined by its offset from a specified physical point on the antenna called Antenna Reference Point ARP The phase center of a typical antenna can change by as much as many centimeters as the position of the satellites change The phase center stability is the main characteristics of an antenna for precision applications Anti Spoofing Encryption of the P code signal by changing its characteristics resulting in the Y code which is not available to civilian users The 500 km thick layer of air that surrounds the Earth Attribute A characteristic of a mapped feature point line or area in a Geographic Information System GIS Autonomous The absolute position estimated using data from a single GNSS receiver without using position any differential correction The horizontal angle from 0 to 360 measured clockwise from the North Azimuth grid The azimuth measured from grid North www javad com 67 1 Glossary A GNSS receiver that is set up on a known location to collect data for differentially correcting rover files See also Differential GPS DGPS The measured vector between a pair of stations which simultaneously collect GNSS data E C A Code The standard coarse acquisition or clear acquisition code modulate
45. hts of surveyed points are adjusted 5 Because GNSS subnets and local control refer to different datums the constrained adjustment procedure estimates the datum transformation parameters Depending on the type of constrained adjustment Giodis estimates the following sets of transformation parameters e Horizontal transformation parameters a shift two parameters azimuth rotation angle and scale that describe the differences between horizontal positions given in global e g WGS84 and local datum Note If the subnets not referred to ITRF are adjusted 1 e the subnets were not tied to CORS IGS stations only rotation angle and scale parameters are estimated Three parameters the values for a slope two parameters and vertical shift that describe the difference between heights referred to global WGS84 ellipsoid and to local vertical datum Note If the adjusted subnets were not tied to CORS IGS stations only slope parameters are estimated e Seven parameters for both horizontal four above mentioned parameters and vertical three above mentioned parameters transformation Note If the adjusted subnets were not tied to CORS IGS stations only four parameters are estimated three rotation angles and scale Checking the quality of control positions To check the quality of your local control do the next steps 1 Perform minimally constrained free adjustment of the GPS network www javad com 39 with Proje
46. inate Systems 3 Import a Processing im Reporting WW Units of Measure Length meter Angle DMS Scale M A Default Lei Save Figure 3 12 The Configuration dialog window 2 To change measurements units click the UOM and Coordinate System tab Figure 3 12 Make the selections in the available fields Length indicates units for linear measurements The default unit is meter Angle indicates units for angular measurements The default unit is degree minute second 3 To change the processing parameters click the Processing tab Make the selections Confidence level defines a confidence interval to reject outliers The default value is 99 7 30 Continuous processing check box if marked allows Javad GeoEngine to continuously process all sessions of the project one after another If unmarked Javad GeoEngine will stop each time when the session processing is complete To process the next session you should click OK in the Javad Geo Engine dialog window The Continuous processing check box is marked by default 4 To save the new configuration settings and use them in other projects click s It opens the Save as dialog window allowing you to enter a configuration file name and location By default configuration files are stored in the Configurations subfolder of the installation folder 5 Click imes to apply changes to the current project and close this dialog window www javad com 25 Projects Project 3 6 Clos
47. ing a Project To close a project do the following steps 1 Click the Javad button to open the Project menu and then click the Close button w 0 3 8475 Projects Recent Projects amp Catalogs Ra r California al L BOIKOV 9 Nau Enreoted t californial E californian 3 Open ki ruza V ruzal E Save SI Save As EXE xxx Figure 3 13 Close button 2 The active project will be closed 26 www javad com Chapter 4 WORKING WITH PROJECT If the project is open you can do the following tasks 1 importing data files 2 processing data static observations 3 performing network adjustment 4 generating a report All these tasks are available to perform by using the Project tab of the Ribbon 4 1 Importing Data Files Giodis allows you to import data files to a project from a computer and from a remote server using the Internet This version of Giodis supports importing the JPS and RINEX files from a computer and coordinates of CORS IGS reference stations as well as RINEX files via the Internet If you want to import files from your computer to the project you can use one of the ways importing a whole folder or a single file The former allows importing all files and subfolders under the folder The latter allows importing only a selected file or multiple files The ways are described in Importing a Folder on page 28 and in Importing a File on page 31 correspondingly
48. ions described below make sure that 1 Your computer is connected to the Internet and internet connection is not failed 2 The IGS CORS points included o your project have the same four character names as in the IGS CORS data archive If this is not so you must correct them To change the point s name select the Occupation tab double click the point s name and type in the appropriate four character name To download the IGS CORS reference station positions to the current project do the following Steps 1 On the Ribbon click ee secror Giodis connects to the SOPAC web server and requests Catalog positions for the IGS CORS points of the project according to their four character code names 2 Select the Catalog tab to view the downloaded the IGS CORS reference points positions www javad com 33 with Project g Static Observations Geo Engine Main Features 4 2 Processing Static Observations After the measurement data has been imported and splitted into sessions you are ready to start processing In Giodis the JavadGeo engine makes static observation processing The JavadGeo Engine Main Features on page 34 describes main features of the JavadGeo engine Running the JavadGeo Engine on page 35 learns you how to run the engine and keep track of preliminary results 4 2 1 The JavadGeo Engine Main Features The main features of the JavadGeo engine are as follows e multi baseline s
49. ission for Maritime Services format RTCM Special Committee 104 that 1s used in the transmission of DGPS differential corrections Selective Intentional degradation of the GPS signal available for civilian use by the U S military availability accomplished by artificially creating a significant clock and or broadcast ephemeris error in the satellites Semi minor One half the minor axis of an ellipsoid axis One half the major axis of an ellipsoid axis Session A time interval covering all observations of all receivers which should be processed together in one run A mathematical symbol or term for standard error SINEX Solution Software technique INdependent EXchange Format developed by the IGS for station position and velocity solutions obtained from GPS and other space geodesy techniques It may contain information about stations sources estimates of the parameters their covariance matrix constraint equation right hand side of constraint equations and weight matrix of constraint equations Single The difference between raw one way carrier phases simultaneously measured by two difference receivers tracking the same satellite Slant height The distance measured from the survey marker to the lower outside edge of the antenna ground plane SPCS A U S State Plane Coordinate System Two sets of zones one for NAD27 datum SPC27 and another for NAD83 datum SPC83 Standard A measure of how close the random values are
50. k any times you want The Pan group moves the map up down right and left see Figure 5 6 Click the appropriate arrow to move the map in the direction indicated by the arrow gt Pan Figure 5 6 Pan group The Mouse Mode group includes the following options see Figure 5 7 Zoom Mouse Mode Figure 5 7 Mouse Mode group The Pan mode is on Pan changes the mouse cursor to a hand and moves the map Hold the mouse button down while dragging the map in the desired direction then release the button Zoom allows to use the mouse wheel for zooming the map Move the mouse wheel forward backward to zoom 1n out the map www javad com 45 ons g a Layer 5 3 Displaying a Layer You can view layers that form the current map as well as display hide a layer The Legend tab allows you to view the list of layers and control layers appearing All layers are visible by default To display hide the layer mark clear the check box next to layer see Figure 5 8 Legend q Subnetz Pointz Error Ellipse Subnet Solution Latitude amp Longitude Country Earth Background EA KIKIEIKIKIEIEI puaba7 sadi JUID IEG APIS 10113 Figure 5 8 Legend tab 5 4 Getting Point Coordinates You can get coordinates of the current mouse cursor position Status bar displays these coordinates in two coordinate systems One is WGS 84 the other can be selected To get point coordinates do the following s
51. l coordinate system appears in Creating Transformation Parameters Transformation parameters allow transforming positions from one coordinate system to another In this version of Giodis seven parameter transformation can be specified between two ECEF Earth Centered Earth Fixed cartesian coordinate systems One system is considered as source and the other as a target To define new seven transformation parameters set do the following steps 1 In the Coordinate Systems part select the source coordinate system 2 Click zc on the Ribbon then select Transformation The New transformation item appears in the Transformation part The sample to be filled appears in the Properties part Figure 6 18 Properties Comments Name Abidjan 1987 to transformation Source CS Abidjan 1987 Target CS Transformation Position Vector f param transformation Params 0 0 0 000 00 00 000000 000 00 00 Figure 6 18 The sample in the Properties part 3 In Properties select and fill the following fields e Name The name for the new transformation parameters used to be formed of the names of the two systems they are referred to By default the new transformation name contains the source coordinate system name You can edit the final name as you wish e Source CS Select one of the available systems from the pull down list e Target CS Select one of the available systems from the pull down list e Params Click H next to Params It
52. lected the epoch you should click the SECTOR button on the Ribbon to download the coordinates of the ECEF frame selected in the ECEF Frame field at the epoch in the Epoch field select the local coordinate system which control positions in the project are referred to Note Notice that the Created and Modified field displaying the date and time when the project was created and modified are filled in and updated automatically they are not editable 8 View and edit 1f needed the configuration settings To open the Configuration dialog window click con awre in the upper right corner of the main window See the How to Use the Configuration Settings on page 24 for detailed information on the project configuration 3 3 Opening an Existing Project To open an existing project do the following steps www javad com 21 Projects an Existing Project 1 Click the Javad button to open the Projects menu 2 Click the project you want to open in the Recent Project amp Catalogs list Figure 3 7 al New V BOIKOV 3 Open V ruza V ruzal S SI Save As E 3 Close California 9 New Encrypted V californial i californiad a 0 2 GIODI Projects Recent Projects amp Catalogs Figure 3 7 The Recent Projects amp Catalogs list Or click the Open button Figure 3 8 It opens the standard Open dialog window allowing you to select the project you want to open 22
53. niversal Time Coordinated synonymous with GMT or Greenwich Mean Time Uniform atomic time system maintained by time laboratories around the world including the U S Naval Observatory The Universal Transverse Mercator A grid coordinate system based on WGS 84 ellipsoid and a special case of the Transverse Mercator projection UTM consists of 60 north south zones each 6 degrees wide in longitude The square of the standard deviation Vector In GPS surveying a 3D vector is the product of processing in relative positioning mode A 7 vector connects two A L 2 ee simultaneously tracking the same satellites A factor RRE to a guantity in order to change its effect on the results of the adjustment WGS 84 World Geodetic System 1984 A global ECEF coordinate system maintained by the U S Department of Defense and used as the reference for the Global Positioning System The GPS broadcast Ephemeris is given in WGS 84 SE KAKA The encrypted P code www javad com 17 1 Glossary A The point on the celestial sphere that 1s vertically above the observer s position Zenith delay A tropospheric delay of a GPS signal observed from a satellite directly overhead Zenith distance The angular distance from the observer s zenith to the object observed The geographic region over which the grid coordinates relate with respect to a single Origin 78 www javad com Appendix 1 www javad com 19 Copyright O
54. om Coordinate Syst Creating a New Coordinate System Transformation Parameters a www javad com 65 te System Editor a New Coordinate System Transformation Parameters and Geoids 66 www javad com APPENDIX 1 GLOSSARY A Closeness of measured or computed value to the correct or standard value Adjustment A method of determining a best fit solution by minimizing the sum of the squares of the Least Squares measurement residuals Adjustment The type of network adjustment where only one point is held fixed The minimally minimally constrained adjustment is used to detect blunders and obtain realistic observation error constrained estimates Adjustment The adjustment performed to best fit the survey observations to the local control For the fully fully constrained adjustment the horizontal and or vertical coordinates of all control constrained stations are held fixed to their published values Algorithm A special method or instruction for solving a certain type of mathematical problem Almanac A set of parameters broadcast by a GNSS satellite to predict the approximate satellite positions and the clock offset Each satellite contains and transmits the almanac data for all the satellites of a system GPS or GLONASS Ambiguity The unknown number of integer cycles contained in an unbroken set of phase observations of a satellite It must be computed resolved when the carrier phase data are processed Antenna Height T
55. onal Geodetic Vertical Datum of 1929 Vertical elevation reference system for U S prior to NAVD 88 NMEA 0183 National Marine Electronics Association interface standard for interfacing marine electronic devices GPS receivers and other types of eguipment Node The point in an orbit at which a satellite crosses the equatorial plane from south to north ascending Noise Random unpredictable interfering signals that mask the desired information content Normal In geodesy a normal is the straight line perpendicular to the surface of the ellipsoid Northing The distance of a point northwards from the east west line that passes through the origin of a map grid system Northing false A constant value added to all Northings so that only positive values of Northing are recorded Obstruction An object that completely or partly blocks an antenna from the incoming satellite signal Occupation The period of recorded data for a point or trajectory Offset The distance from a surveyed point or line measured to the point or line for which data are desired Orbit The path followed by the center of mass of a satellite around the Earth Origin The point where the axes of a coordinate system intersect Orthometric The distance from the geoid to a point measured along the direction of gravity See also height Elevation Outlier Poor quality observation P code The Precise or Protected code of the GPS signal A 267 days long sequen
56. one 1 SG Abidjan 1987 TM 5 NW El Related geodetic system at Abidjan 1987 7 UTH zone 29H W of 6 W Mame ss Mew grid coordinate system Related ECEF system 333 Abidjan 1987 UTM zone 30N E of 6 W Ellipsoid ss Accra Ghana National Grid Comments El Projection ss Accra TM 1 NM Type ss Adindan UTM zone 35H 24 to 30 E Comments Farams ss Adindan UTM zone 36H 30 to 36 E Comment ss Adindan UTM zone 3 N 36 to 42 E Transformations Figure 6 16 New grid coordinate system 2 In Properties select and fill the following fields e Name Type in the new coordinate system name Note Pay attention that the new coordinate system name must not be identical with the existing coordinate system name e Zone Type in the zone name e Related geodetic system Select one of the available systems from the pull down list Figure 6 16 Projection Click next to Projection e Select the Type field Click to open the pull down list of the available projection types Select the desired projection e Click next to the Params field It opens the list of available parameters Select the desired parameter and edit it 3 Click the Save button on the Ribbon The new grid projected coordinate system appears in the list www javad com 61 te System Editor a New Coordinate System Transformation Parameters and Geoids Creating a New Local Engineering Coordinate System To create a new local en
57. opens the list of available parameters Select the desired parameter and edit it By default transformation parameter values are equal to zero Fill in the fields taking into account the units of measure 4 Click the Save button on the Ribbon The new transformation appears in both Transformation groups for the source and target coordinate systems www javad com 63 te System Editor a New Coordinate System Transformation Parameters and Geoids Creating a New Geoid Model Geod heights interrelate ellipsoidal and orthometric heights Therefore geoid model can be specified for Geodetic Datum Ellipsoidal Coordinate System or Grid Projected Coordinate System To create a new geoid model do the following steps 1 In Coordinate Systems select the desired coordinate system in the Geodetic Datum Ellipsoidal Coordinate System or the Grid Projected Coordinate System group 2 Click sm on the Ribbon then select Geoid 3 In Properties select and fill the following fields e Name The geoid name is generated automatically You can edit it as you wish e Vertical system Select one of the available systems from the pull down list e Geoid File Click next to Geoid File In the Geoid model file field click to open the dialog window that allows you to select the needed geoid file 4 Click the Save button on the Ribbon The new geoid appears in the list of geoids for the selected coordinate system 64 www javad c
58. ositions in the project are referred to Note Notice that the Created and Modified field displaying the date and time when the project was created and modified are filled in and updated automatically they are not editable 5 View and edit if needed the configuration settings To open the Configuration dialog window click conous in the upper right corner of the main window See the How to Use the Configuration Settings on page 24 for detailed information on the project configuration 3 2 Creating a New Encrypted Project You might want to protect your control and measurement data imported into a project from third party access In this case you should create an encrypted project with a password Every time when opening the encrypted project Giodis requests the password To create a new encrypted project do the following steps www javad com 19 Projects a New Encrypted Project 1 Click the Javad button to open the Project menu and then click the New Encrypted button Figure 3 4 EC Projects Recent Projects amp Catalogs Nor V BOIKOV fal Bei New Encrypted t Ger 3 Delete Ze Clear List 83 Delete 3 clear tist Figure 3 4 Projects menu New Encrypted button 2 It opens the Save as dialog window Figure 3 5 In this dialog window navigate to the desired folder enter the project name and click Save Save As soe EET calihornial giodis California giodis My Recent ruza giodi
59. rea regional geoid model or for the whole earth global geoid model Geoid height The height of geoid above a reference ellipsoid Also referred to as the geoid separation or geoid undulation Geoid height is equal to the difference between ellipsoidal and orthometric height 1 e elevation Global Russian Global Navigation Satellite System designed to use 24 satellites in three Navigation uniformly spaced circular orbits at height 19 140 kilometers at an inclination of 64 8 Satellite System degrees GLONASS www javad com 71 1 Glossary GLONASS The time scale UTC SU to which GLONASS signals are referenced System Time Global The US fully functional Global Positioning System As of September 2007 there are 31 Positioning actively broadcasting satellites orbiting at height 20 200 kilometers in six planes at an System GPS inclination 55 degrees GNSS Global Navigation Satellite Systems GNSS is a common term for GPS and GLONASS Another GNSS planned for the future is European Union s Galileo China s Compass Japan s OZSS etc GPS System An atomic time system to which GPS signals are referenced GPS time is directly Time relatable to UTC UTC GPS 14 seconds in April 2007 GPS week The number of weeks since Saturday Sunday midnight January 6 1980 The week number sequentially increments at Saturday Sunday midnight in GPS system Time Greenwich See also UTC Mean Time GMT The direction o
60. recise So their coordinates are not assigned accuracy estimate as you can see it in the corresponding RMS columns of the table Setting ECEF Control Use this procedure to manually specify a point as ECEF Control 36 www javad com Working wi Processing Static Ob Running the JavadG 1 In the Points tab right click the Point Type cell next to the point you want to make a ECEF Control It displays the ECEF Control option CMBB amp Surveyed Point 2544516 387851911 4339616 6803778447 mins Minaret Summit Surveyed A ECEF Control 4421388 7809501775 MUSB Surveyed PORT PISTES TETIS 4438540 6813215325 SAOB Surveyed Point 2569034 7491000881 4354494 8451414322 lt ii 7 Figure 4 7 ECEF Control option 2 Click the ECEF Control option it opens the ECEF Control dialog winow L Set ECEF Control 240891 7 7501 ELEF Control 21321935077 OF 5243097 0043 Cancel Point Mame fedi22ib ECEF Frame ITRF2005 Figure 4 8 Set ECEF Control dialog window 3 Enter the point s coordinates Mark the ECEF Control check box 5 Click OR The ECEF Control dialog window closes The point changes from to e inthe table and on the Map The point appears in the Catalog tab underneath the Map and in the Control tab on the right of the Map www javad com 37 with Project g Network Adjustment r of Adjustment 4 3 Performing Network Adjustment The adjustment has two main goals 1 Detecting bl
61. rigee Kinematic GPS A method of GPS surveying in which at least one receiver is set up over a known base point and remains stationary while another rover receiver is moved from point to point The base receiver and rovers are initialized as in stop and go Lock on the satellites must be maintained at all times or a new initialization must be performed Data sampling shall have an epoch interval of 2 seconds or less Typical achieved accuracy is few centimeters Kinematic GPS surveys can be either Continuous or Stop and Go See also Stop and Go Ll amp L2 The designations of the two basic carrier frequencies transmitted by GPS satellites that contain the navigation signals L1 is 1 575 42 Mhz and L2 is 1 227 60 Mhz Layer A thematic set of spatial data described and stored in a database Each layer has 1ts own set of parameters defining the graphical representation on a map document for each object from the given collection So modifying the style parameters e g visibility user can modify such parameters for all objects of the layer The radio frequency range extending from 390 MHz to 1550 MHz Length of The maximum time interval at which data 1s collected simultaneously from all the Session receivers in a session Local grid A local plane coordinate system usually arbitrary defined for use on a small survey area system Localization Also referred to as site calibration The process of determining transformation par
62. rned by 6 www javad com About th Symbols and Typographic Co and construed in accordance with the laws of the State of California without reference to conflict of laws About this Manual This User Manual 1s designed to help you get familiar with the Giodis User Interface and introduce you to the Giodis main features The Manual includes Glossary with terms explanation for better understanding unfamiliar or complicated terms Symbols and Typographic Conventions This Manual uses the following text conventions Example Description Port Titles of dialog windows boxes names of menu options Screen Captures This Manual includes sample screen captures Your actual screen can look slightly different from the sample screen due to the receiver you have connected operating system used and settings you have specified This is normal and not a cause for concern Technical Support Occasionally Giodis users encounter problems during installation or use of the program Should you have any problems with Giodis Software please contact JAVAD GNSS Support support javad com www javad com 7 Support aptures 8 www javad com Chapter 1 INTRODUCTION 1 1 Welcome Welcome to Giodis the full featured office post processing software The Giodis software combines the modern fluent user interface with the established functionality Geodis solves wide range of practical surveying tasks using advanced scientific appro
63. roperties 58 Viewing Transformations and Geoids Properties 59 6 2 3 Creating a New Coordinate System Transformation Parameters and Geoids 60 Creating a New Geodetic Datum Ellipsoidal System 60 Creating a New Grid Projected Coordinate System 61 Creating a New Local Engineering Coordinate System 62 Creating a New Vertical Coordinate System 62 Creating Transformation Parameters 63 Creating a New Geoid Model 64 Appendix BT L 6 454454 wan ot a 5 5 boos L L a a dee yee ue sos cota ee eae oes 67 4 www javad com PREFACE Thank you for purchasing this JAVAD GNSS product The materials available in this User Manual the Manual have been prepared by JAVAD GNSS for owners of JAVAD GNSS products It is designed to assist owners with the operating of the Giodis Software and its use is subject to these terms and conditions the Terms and Conditions Note Please read these Terms and Conditions carefully Terms and Conditions USE JAVAD GNSS products are designed to be used by a professional The user is expected to have a good knowledge and understanding of the user and safety instructions before operating inspecting or adjusting Always wear the required protectors safety shoes helmet etc when operating the receiver COPYRIGHT All information contained in this Manual is the intellectual property
64. rors The unpredictable typically small deviations of a random variable from its expected value It is not possible to correct for random error GNSS observation data which has not been processed or differentially corrected Real Time The GPS relative positioning technique whereby carrier phase data or corrections are Kinematic transmitted in real time from a reference receiver base station to a rover receiver RTK enabling the rover to compute it s position and check the quality of measurements in real time Refraction The bending of sonic or electromagnetic rays by the medium through which the rays pass The amount and direction of bending are determined by the refractive index of the medium Relative The determination of relative positions of GNSS receivers simultaneously tracking the positioning same satellites Difference between the observed and the computed quantity RINEX The Receiver INdependent EXchange format A standard GNSS raw data file format used to exchange files from multiple receiver manufacturers RMS Root Mean Square The square root of the arithmetic mean of the squared errors In one dimension RMS is equivalent to Standard deviation Rover A mobile GPS receiver and data logger collecting data in the field The rover position is computed relative to another stationary base GPS receiver www javad com 75 1 Glossary RTCM SC 104 A standard format developed by Radio Technical Comm
65. s e Earth Centered Earth Fixed Cartesian Coordinate System e Geodetic Datum Ellipsoidal System e Grid Projected Coordinate System e Local Engineering Coordinate System e Vertical Datum Each group reveals the list of available coordinate systems and allows to select on of them If the coordinate system has been selected the Transformations and Properties parts display transformations associated with the coordinate system and its properties Transformations Transformations part shows Transformations and Geoids groups if any coordinate system selected in the Coordinate Systems part When Transformations or Geoids indicates a number 1 or more next to its title the group can be opened to display the list of available transformations or geoids If the transformation or geoid has been selected the Properties parts changes to display the transformation or geoid properties Properties Properties part displays either coordinate system properties or transformation properties depending on where the currently selected item is located in Coordinate Systems or in Transformation Each group of the coordinate systems is characterized by its own set of the properties Properties displays e Name for the Earth Centered Earth Fixed Cartesian Coordinate System e Name Related ECEF system Ellipsoid for the Geodetic Datum Ellipsoidal System e Name Geodetic Datum Ellipsoidal System Projection for the Grid Projected Coordinate System e Name
66. s Documents Tr VA i My Network Saveastype GIODIS Projects giodis y Figure 3 5 Save as dialog window 20 www javad com Managin Opening an Existi 3 Itopens the Please Enter a Password dialog window Please Enter a Password x To improve the security of a password It should contain at least two of these elements uppercase letters lowercase letters and numbers Alea the more random the sequence of characters the more secure the password OF Cancel Very weak password It equals to a 0 bit key Figure 3 6 Please Enter a Password dialog window 4 Type a password While you are typing the password you can read the comments at the bottom of the dialog window regarding the secure degree of the password 5 To confirm the password type a password once more in the Confirm field 6 Click OK This dialog window closes The new encrypted project saves on the computer and the main window changes displaying information on the new project in the Info tab 7 Enter the following information your name in the Created By field your company name in the Company field select the ECEF frame for IGS CORS points if they are planned to be used in the project select an epoch at which the ITRF coordinates will be transformed from a specified epoch e g 2000 or 2005 To get information on ITRF general concepts go to http 1trf ensg 1gn fr general php Note It is important to know when you have se
67. s Toolbar The Quick Access Toolbar provides quick access for commonly used commands 10 3 EA Figure 2 4 The Quick Access Toolbar Depending on your needs icons can be added deleted to from the Quick Access Toolbar If you want to delete an icon from the Quick Access Toolbar right click this icon in the pull down menu select the appropriate options the icon will be deleted You can add one or more Ribbon items to the Quick Access Toolbar Just right click the item for example the Pan icon see Figure 2 5 and in the pull down menu select the appropriate option the corresponding icon will appear on the Toolbar DO ves pr Project Map Tools GIODIS GL Zoom In 4 Full Extent a Zoom Out 4 Previous Extent ES Default Background M Zoom Figure 2 5 Adding the Ribbon item to the Quick Access Toolbar www javad com 13 er Interface Tab Collection 2 5 Map and Tab Collection The Map window with Tab Collection occupies the large area of the main window Figure 2 6 This area is specifically designed as a map unrolled on a table The map is surrounded with the collection of tabs The design goal for Tab Collection is to be at hand The Map window gives the graphical view of project elements Tab Collection displays source data the legend preliminary and final results of data processing gt Observations Ean embb1 000 080 mins 1 000 080 musb1 000 080 saob1 000 080 z cmbb1 000 080
68. stic A software embedded into hardware of a GNSS receiver that controls its operation Fixed solution A vector solution where the integer ambiguities have been correctly resolved and held fixed Float solution A vector solution where the ambiguities could not be fixed to their integer values so they were left to float as a real numbers The number of oscillations per second existing in any form of periodic motion FE GGG Galileo The European Union s satellite navigation system Galileo is expected to be completed after 2012 and be interoperable with the GPS and GLONASS systems The system will use 30 satellites 27 operational 3 spares in three uniformly spaced circular orbits at a height of 23 000 kilometers with inclination of 56 degrees Science of measuring the size and shape of the earth and its gravitational field GIS Geographic Information System A computer based system for the input storage retrieval analysis and display of geographically referenced data Geoid The equipotential surface which is everywhere normal to the direction of gravity and best fits in a least squares sense with mean sea level in the oceans The geoid is main Epoch 1 A specific instant in time for which GNSS observation data are given 2 The date usually expressed in decimal years for which published coordinates are reference surface for elevations Geoid model A mathematical representation of the geoid for a specific a
69. surement Data from a Remote Server 31 4 1 4 Downloading IGS CORS Stations Positions u e Lu Lu Le 33 4 2 Processing Static Observations LL LL LL LL 34 4 2 1 The JavadGeo Engine Main Features o cece eee LL ae 34 4 2 2 Running the JavadGeo Engine 35 Setune EC EI CONGO se E aaa beads sues ee a 36 4 3 Performing Network Adjustment LL 38 4 3 1 The Order of Adjustment 38 Checking the quality of control positions 0 0 0 0 eee eee eee 39 4 3 2 Running the JavadGeo Network Adjustment 0 0 0 cee eee eee 4 44 Genieralme Repo erse 4 205 ob Mes deme Aate PRE GES kli 42 www javad com Chapter gt Map ODLUONS vera mada re amaan al 43 31 Display ine a De kased Sisa ne Cah La S ad a aa aa a EE ea 43 5 2 Moving Around a Map 45 5 3 Displaying a Layer o oooooooorcorrr eee LL LLeida 46 5 4 Getting Point CoordiMatesS o o o oo LL LL LL 46 haDlet O Ke 49 6 1 Coordinate Calculator Kisse a a dee a a a 0640804 NN 49 641 R nning eo es rusas rompa do eee m muu TD Ghee 49 6 1 2 Using TT 456 e a p E sas des ae de mh ihrer 50 6 2 Coordinate System BOO EE 56 6 2 1 Understanding Main Window Elements 56 Coordinate SVSESMS AL ans da A ba e di EE oaks bo 21 Transformations sepana ee n prensa aa daa 57 Properties Pg EII 57 0 2 2 Viewime PODES 24 Kask ii ds aia ea Ves hoe ohne 58 Viewing Coordinate System P
70. t and other intellectual property rights in and to the Software belong to JAVAD GNSS If these license terms are not acceptable return any unused software and manual CONFIDENTIALITY This Manual its contents and the Software collectively the Confidential Information are the confidential and proprietary information of JAVAD GNSS You agree to treat JAVAD GNSS Confidential Information with a degree of care no less stringent that the degree of care you would use in safeguarding your own most valuable trade secrets Nothing in this paragraph shall restrict you from disclosing Confidential Information to your employees as may be necessary or appropriate to operate Giodis Software Such employees must also keep the Confidentiality Information confidential In the event you become legally compelled to disclose any of the Confidential Information you shall give JAVAD GNSS immediate notice so that it may seek a protective order or other appropriate remedy WEBSITE OTHER STATEMENTS No statement contained at the JAVAD GNSS website or any other website or in any other advertisements or JAVAD GNSS literature or made by an employee or independent contractor of JAVAD GNSS modifies these Terms and Conditions including the Software license warranty and limitation of liability MISCELLANEOUS The above Terms and Conditions may be amended modified superseded or canceled at any time by JAVAD GNSS The above Terms and Conditions will be gove
71. t global GPS tracking network and generate precise GNSS products post mission GPS satellite ephemeris tracking station Ionospheric The variable delay in propagation of a GNSS signal introduced by the ionosphere The delay ionospheric delays can be either predicted using models or estimated using the sophisticated algorithms of GNSS data processing or measured using two freguency receivers 72 www javad com Appendix 1 ITRF International Terrestrial Reference Frame A set of more than 350 globally distributed points with their ECEF coordinates which realize the global International Terrestrial Reference System ITRS New ITRF solutions for coordinates and velocities of the points e g ITRF 2005 are produced every few years ITRS International Terrestrial Reference System The most precise geocentric globally defined coordinate system The various frames such as ITRF2005 etc are the realizations of the ITRS for a particular epoch in time Job file A file that contains survey data gathered with the data collection software embedded in a field controller Keplerian Elements A set of six parameters that define elliptical Keplerian orbit These are the semimajor axis and eccentricity of the orbital ellipse the inclination of the orbital plane to the equatorial plane the right ascension or longitude of the ascending node of the orbit the argument of perigee and the time the satellite passes through the pe
72. te System Target Coordinate System SET Height System Target Height System MI sl E ETR589 to Belfast 1 d OS UEMI Transformation Path Figure 6 7 Setting orthometric heights or tx ra lin SAA Ta za for r E G Source Coordinate System 63 Eupen E Source Height System Target Heigk F ee zb O 5 Lg Grenada and southern Grenadines y El Lg Guadeloupe R i Guatemala Leg Jamaica i Martinique S Lal Mexico A P Montserrat da LZ North America all Canada and USA subunits d Lg North America Bahamas and USA Florida d i North America Great Lakes basin o P North America Great Lakes basin and St Lawrence Seaway EA Marth Amarins MANIT III Figure 6 8 Source Height System drop down list Note Leave the check box clear and the field empty in the case of ellipsoidal heights as Calculator uses ellipsoidal heights by default 54 www javad com Coordinate Using 5 To set the desired geoid model open the Preferred Geoid drop down list and select a geoid For example see Figure 6 9 Preferred Geoid Geoid Name ETA589 to Sule Skerp 1 OS UK Sule A2U5Geoid98 Australian National Geoid AGF to 1GN78 Corsica 1 IGN Fra Cor AGF33 to NGF IGNES 1 IGN Fra Figure 6 9 Preferred Geoid drop down list 6 After the Height and Coordinate systems have been defined select a transformation method from the Transformation Path drop down list The list of transformation methods
73. teps 1 Locate the mouse cursor over the point whose coordinates you want to know 2 View the point coordinates in WGS 84 on the left see Figure 5 9 15037 16 E 33022 53 N 3 WGS 84 Ef 15037 16 E 33022 SON Figure 5 9 Point coordinates in WGS 84 3 If you want to get coordinates in another coordinate system select it from the list of the Favorite coordinate systems see Figure 5 10 15932 017E 33917 38 N WGS 84 Ef 15932 01 E 33917 38 N Figure 5 10 Favorite Coordinate System list 46 www javad com Ma Getting Point C 4 View the point coordinates in this coordinate system on the right see Figure 5 11 WEE i Figure 5 11 Point coordinates in the selected coordinate system Note If you want to change measurement units use the corresponding split buttons on the Status bar Both linear and angular measurement units are available for changing www javad com 47 ONS oint Coordinates 48 www javad com Chapter 6 TOOLS 6 1 Coordinate Calculator Giodis Calculator is intended to transform point s coordinates from one coordinate system to another as well as to convert an orthometric height to an ellipsoidal one and vice versa Calculator allows you to perform transformation between any two coordinate systems if a transformation model between them is known 6 1 1 Running Calculator To run Calculator do the following steps 1 On the ribbon select the Tools tab
74. the line normal to the the vertical reference ellipsoid Number of observations minus the number of estimated parameters freedom Differential A technique of correcting GPS positions recorded at an unknown location using GPS DGPS additional data collected simultaneously by a reference receiver at a known position GPS Base Station www javad com 69 1 Glossary Dilution of A dimensionless number that represents the contribution of the satellite configuration precision DOP geometry to the positioning and time accuracy A low DOP value indicates a higher probability of accuracy Standard GNSS applications are PDOP position three coordinates HDOP horizontal two coordinates VDOP vertical height only TDOP time for clock offset only GDOP geometric three coordinates and clock offset Double The difference between two single differences for two simultaneously observed Difference satellites E Earth tide The periodic sub meter motion of the solid earth due to the attraction of the Moon the Sun and loading of the adjacent seabed by ocean tides The distance of a point east of the reference meridian for a grid system Easting false A constant value added to all Eastings so that only positive values of Easting are recorded Eccentricity A Keplerian element describing the geometric shape of a satellite orbit The eccentricity is a measure of the departure from a circle ECEF Earth A geocentric
75. the results of minimally constrained adjustment point positions in WGS or ITRF system and RMS errors e The Final Solution www javad com 4 with Project g a Report the JavadGeo Network Adjustment 4 4 Generating a Report You can export data such as tables charts and maps from the current project to the XLS file format Creating a report allows you to output data in the same manner as it is organized in the project and then view manipulate and print this data taking advantages of the standard Microsoft Excel application The report contains several spreadsheets including e Map to represent the network view on a map You can generate a report on each stage of your work with the project To generate a report do the following steps 1 Click zz on the Quick Access Toolbar or opens Excel e Standalone Points to represent point s coordinates similarly the Points tab e Occupation Charts to represent the graphical view of occupations and sessions similarly the Occupations Graph tab on the Ribbon The Save as dialog window 2 Navigate to the location you want to save the file and type in the file name Note By default the file is saved in the Reports folder and the file name consists of the subnet s name and file creation date and time 42 See for example Figure 4 10 2 CMBE mins Mmaret Summit 4 MUSB 5 SAOB E QUIN 7 LUTZ 8 MHCB 9 MONB 10 OXMT 11 OHLN 12 TIB
76. then click the Calculator icon Processing Map Tools f SS G T d 4 lt B Es Ww Field Editor Ealculatar Points Antenna Controller Catalog Library Data Bases Data Exchange Coordinate Systems Figure 6 1 Calculator on the ribbon www javad com 49 te Calculator lculator 2 It opens the Coordinate Transformation dialog box The section below contains instructions on how you can use this dialog window w Coordinate Tansformations r ma i Es source Coordinate System Ka Target Coordinate System Source Height System tada Height System L Prefered Geoid ETRS89 to Belfast 1 OS UE NI Transformation Path Es Source Units meter A DMS i Excel Figure 6 2 Coordinate Transformations dialog window 6 1 2 Using Calculator If you have run Calculator you are ready to complete entries and perform coordinate transformation In this manual it is supposed that you enter coordinates on the left and get result on the right The coordinate transformation is performed from the Source coordinate system to the Target coordinate system In the Coordinate Transformation dialog window you can do the following steps 50 www javad com Coordinate Using 1 To set the source coordinate system open the Source Coordinate System drop down list and find the desired coordinate system w Coordinate Tansformations Source Coordinate System E Lg Continents
77. unders in adjusted data 2 Calculating the most reliable and accurate results in our case final local coordinates of surveyed points and their realistic error estimates The network adjustment is done in two steps First the minimally constrained network adjustment or free adjustment 1s performed in which only one station is held fixed This allows to detect possible blunders in adjusted GNSS data e g missed antenna heights and in control positions say misprint errors in control data catalogs For this different statistical tests are applied like global Chi square test or Tau test If there are no blunders in the adjusted data the second step can be done the fully constrained adjustment in which all the known published coordinates of control points horizontal and or vertical are held fixed This allows to fit the GNSS network into the local control 4 3 1 The Order of Adjustment 1 All the processed subnets are assembled into a common network The integrity of the network is checked it should not have any breaks 2 The system of equations for the minimally constrained adjustment is formed Depending on the approach that was chosen to processing the following types of subnets can be adjusted e Single baseline solutions 1 e vectors and associated 3x3 covariance matrices e Session processing solutions 1 e a set of non trivial vectors and the covariances between them e In case if field GNSS observations hav
78. ure 6 15 Coordinate Systems Properties Mame Related ECEF system Ellipsoid Comments E Mew geodetic coordinate system 3 Abidjan 1987 O ccra Adindan 3 Algoope 3 Agadez AGD66 AGD84 3 Ain el Abd T Albanian 1987 Figure 6 15 New geodetic coordinate system 2 In Properties select and fill the following fields e Name Type in the new coordinate system name Note Pay attention that the new coordinate system name must not be identical with the existing coordinate system name e Related ECEF System Select the one of the available ECEF systems from the pull down list Here you can also create a new ECEF system For this select Create new related Ecef CS from the pull down list and enter a name in the Name field e Ellipsoid Select one of the available ellipsoids from the pull down list 3 Click e the Save button on the Ribbon The new geodetic datum ellipsoidal system appears in the list 60 www javad com Coordinate Syst Creating a New Coordinate System Transformation Parameters a Creating a New Grid Projected Coordinate System To create a new grid projected coordinate system do the following steps h 1 Click 7777 on the Ribbon in the pull down menu select Grid In Coordinate Systems SS TE the Grid Projected Coordinate System group opens displaying a new item New grid coordinate system at the top Figure 6 16 Coordinate Systems Properties Name one z

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