Getting Started with Static and Kinematic Surveys GPS System 500
Contents
1. Ca a ee ee By default the new job will be assigned to the PC card If needed this can be changed to internal by toggling this input field to Internal Pressing F1 CONT which confirms the creation of a new job name and its location Press ESC if you want to leave this field without creating a new job Pressing F6 QUIT has the same effect After pressing F1 CONT the list of available jobs is updated and now also shows the job Test a S All 14546 D C C CONT HEW JEDIT DEL DEUCE xHUH Now press F1 CONT to confirm the selection of the newly created job Finally you have to select the antenna type and antenna setup which you are using Normally this will be AT502 on tripod or AT501 on tripod in case of a SR510 sensor See Technical Reference Manual Measuring Antenna Heights for further details Static and Kinematic Surveys 2 0 0en Step 4 Begin a survey contd This selection is made in the usual way first use the cursor down key to get this input field highlighted Then use the cursor left key to toggle among the several options until the right one appears Alternatively you can press the ENTER key to geta listbox from which the choice can be made Now all required settings for a static survey are made The Survey Begin panel looks as follows HHH S Config Sek Job J Test Coord amp ys HG84 Geodetic Antenna ATSeaS Tripod CD a EE Pressing F1 CONT fin2. number of cycle slips which occurred since the start of this site occupation current GDOP as well as the number of recorded static observations The way the completion counter is programmed is based on years of practical experience Although the settings are on the conservative side there is no guarantee that baseline results will meet the accuracy specifications of System 500 after the post processing of the data Press F1 CONT to return to the previous operation Exploring the sensor status during operation 26 Battery and memory status This quite useful screen is found under 3 General 1 Memory Battery DAES gys 1st Memor 4 Batter uy TATU FI PC Card IW Et Memoru Int ALB CONN Battery A Aa Ok Batte Ei An ONN Py Battery Ext a a The numbers given represent the still available amount of capacity For instance in this particular example there is still 1 1 MB memory left on the PC card Static and Kinematic Surveys 2 0 0en Battery andmemory status contd The graphics indicate the level of consumption for each device For instance in this particular example about 35 of the PC card is already used up Currently active devices for both data recording and power consump tion are indicated by an asterisk Pressing F1 CONT gets you back to your previous operation Pressing ESC brings you back one level only in this particular case to the STA TUS General Menu S
3. amp ail 15 zZz Local Time Time Zone n Local Date ha 12 11 99 MGS54 Lat d7oee z5 8971 H HG54 Lon 32 S34 0A arog E HG54 EHY4t 214 945 M CONT COET Move the highlighted bar down to Time Zone by using the cursor down key Then either toggle with the cursor left right keys until the right zone appears or press ENTER to open the listbox with all possible options Changing the system configuration Setting local time zone contd Afterwards press F1 CONT to activate the selection You will then see the correct local time being displayed in the upper right corner of the status line There is usually no need to modify initial time or the initial position even if the current settings are completely wrong The sensor will automatically enter a search the sky mode and as soon as satellites are tracked time and position will be updated automatically Changing the system configuration Changing distance units from meter to feet This can be done in panel CONFIG 3 General 1 Units The following screen becomes accessible Distance Anal n Melocitys ate n Od a i AAF Time 24 nour a ANGLE To change units for distances move the focus to this input field Then use either ENTER to get access to a listbox from which the preferred choice can be made or alternatively use the cursor left right keys to toggle to the units of your choice meters US feet etc Also ot
4. 15835 OOS ll ti CONT HEM JEDIT DEL IMFO poho Now use the cursor up or cursor down key on the terminal to highlight the PP_STAT line Then press ENTER or F1 CONT Jobs are used to organize and structure the data you collect in the field Jobs can comprise an unlimited number of points together with all related information raw measure ments codes point annotation etc It is suggested to create a new job whenever you start a new project Upon formatting the memory device i e PC card or internal memory a default job is automatically created You can either use this job straight away or you can create your own job by doing the following Move the cursor up or cursor down key of the terminal into the input field for jobs Then press ENTER The following lisbox will appear Default iti CONT HEW JEDIT DEL DEUCE MUM Taking Static Rapid Static measurements Step 4 Begin a survey continued Now press F2 NEW The following panel appears DA s 3 l Hame Description Creator PC Card CONT ee You can now enter a name for anew job press ENTER upon completing the input of the name Input fields for description and creator are optional and can be left blank Taking Static Rapid Static measurements As an example we can create a new job called Test F Li 5 id T 5 Le al JOB Hew Io T Hame TeSt Description m Crestor Device POC Card
5. Enter a Point Id by filling in the input field If you make a typing error correct the mistake by pressing the CE key Clear Entry Complete the input by pressing ENTER Now use the height hook to determine the height of the antenna above the survey marker Insert the height hook into the carrier and measure the height between the white mark at the bottom of the height hook and the survey marker Taking Static Rapid Static measurements Enter this reading into the antenna height field Since the antenna you have selected is AT502 Tripod AT501 Tripod in case of a SR510 sensor the offset from the height hook to the phase center of the anten na is automatically taken care of These are the only two inputs needed for surveying a point The Static observation counter Static obs will now go up every 10 sec onds because this is the default logging interval The displayed GDOP value indicates the current satellite geometry the lower the value the better Warning The antenna must not be moved while data Is logged other wise the quality of post processed coordinates will be impaired Warning The PC card must not be removed while in the Survey panel If the card is taken out of the sensor all stored data might get corrupted preventing SKI Pro from successfully reading the data on the card The TR500 terminal may now be disconnected This will have no effect on the survey Datalogging will continu
6. input Static and Kinematic Surveys 2 0 0en Entering information contd When ENTER is pressed the focus is moved to the next input field PHB 13 32 all Ant Height f Use numeric keys to enter the antenna height Static and Kinematic Surveys 2 0 0en Listboxes Some input fields expect a predefined input The choices are available in a list which is kept behind the input field Input fields based on a listbox are identified by a small triangle which appear on the right side of the field The following example shows 3 such input fields in one screen eee Vg tts Config eti Job z Coord Sus all Test MGSa4 Geodetic Antenna ATZ Tripod OMT ETE The input for Configuration Set Job and Antenna has to be made based on a list Press ENTER to open the highlighted listbox A list pops up from which a choice has to be made all 15935 a wee ir OMT HEM JEDIT DEL IMFO foL Use the cursor down up keys to move the selection bar down or up the list Select your input by highlighting the particular line Using the TR500 terminal Listboxes continued Press F1 CONT to confirm the selection This will then also close the listbox You can speed up the selection by entering the name of your choice If in this particular example T is entered the focus will automatically move to TEST_PP Rapid Static PP On the right side of the screen you see a vert
7. parameters Either by pressing numbers e g 2 for Operation or by using the cursor down up keys and to highlight the line of interest and then pressing F1 CONT A detailed description of all con figuration parameters can be found in the Technical Reference Manual This guideline will focus on those which are of importance to Static and Rapid Static measurements only In the five following subchapters we describe 5 different configuration examples which are of relevance for static and kinematic surveys Changing the system configuration the system configuration Changing the system configuration Turning on the illumination of the terminal Certain parameters of the Terminal can be configured under 3 General 6 TR500 Li a El ci Lz LOHMF TGURE EEE Tllu Cornters YEST SS aL TimeOut mir Al arin k V_ E Reyclick Deflt HUM ABCDEFGHIJELMMOPGR OWT ie ia Illumination and contrast of the display of the terminal can be turned on or off Use the Cursor left key to toggle between yes and no If you select yes you should specify a time out once this set time is expired the illumination is switched off again Changing the system configuration In the same panel you can also activate or deactivate an audible alarm and keyclick The requested changes are activated upon pressing F1 CONT This key stroke brings you then straight back to the screen from which t
8. L1 line is active Appendix Summary of status icons Appendix Summary of status icons contd Memory status Battery status I Internal Memory selected WM Battery Voltage OK i PC Card selected 1M Battery supplying 2 3 peak voltage 5 Safe to remove PC Card a Battery supplying 1 3 peak voltage I Memory level Indicator Has 12 levels between __ Battery empty l Memory Empty and The battery being used is denoted by a letter next to it A and B are the plugin camcorder batteries E indicates a connected external 12 V battery Memory Full Local time Observation recording status Local time can be displayed in either an 12 hour format maS The Receiver is recording raw GPS or an 24 hour format The time appears in the upper right observations in Stationary mode The Receiver corner of the status line should be held stationary abl The Receiver is recording raw GPS observa tions in Moving mode The Receiver may move Appendix Summary of status icons O 48 O Static and Kinematic Surveys 2 0 0en Appendix Measuring antenna heights AT502 Pole AT502 Tripod AT502 Pillar If you are using the antenna ona If you are using the antenna ona If you are using the antenna ona pole select the antenna type AT502 tripod together with the height hook pillar or a tripod without height hook Pole or AT501 Pole during the select the antenna type AT502 Tripod select the antenna type AT 502 Pillar begin of a survey The Vertical He
9. NEW to create a new Wake up Session The following display appears Bes H Li amp ici T MARE LUP Hew Wake Up Sessi0 Se5510MN n m Contig Set TEST_ PPY Shark Date 17 11 99 Stark Times FAS ABs Ae Dur at ion ABS ES Be OMT a a Define the job in which the data should be stored Highlight this input line and press ENTER This gives you the opportunity to select from the list of existing jobs or to create a new job Static and Kinematic Surveys 2 0 0en Programming Wake up Sessions contd Define the configuration set you want to use Highlight this input field and press ENTER A listbox will appear from which you can choose the appropriate configuration set Make sure that this set is configured such that observations will be logged otherwise there will be no data available for subsequent postprocessing in SKI Pro Define Start Date by typing in the date when the session should be executed Define Start Time by typing in the time the session should start Define the duration of the session The format is hours minutes seconds hh mm ss Static and Kinematic Surveys 2 0 0en Then press the cursor down key to get access to additional input fields wrt La amp 1 sce 9 OU WAKE UP Mew Wake up Session Session J HEH 16 15 Duration DA AS Be Pourt Id 8 Ant Height ABBE Mi Execut ME CONT Ll ee You have to enter a Point Id Naviga
10. Surveys 2 0 0en Exploring the sensor status during operation The terminal gives direct access to It is now very simple to navigate all relevant status information via a further through all available status dedicated STATUS key This key screens Either use the cursor up located in the center of the terminal cursor down key to highlight the is accessible at any time and various options then press either F1 regardless of the current system CONT or ENTER A quicker way is to operation By pressing STATUS the press numbers 1 2 3 or 4 to get following menu appears direct access to the next level of status menus DA s Fill STATUS Menu 7 Survey A detailed description of all status T screens can be found in the 4 Intertaces Technical Reference Manual This short guideline will only ONT concentrate on the screens which are important for Static and Rapid Static measurements Static and Kinematic Surveys 2 0 0en E Exploring the sensor status during operation Satellite status select 1 Survey 5 Satellite The following display appears CONT TRACK OO UUHELTH SkY FPEF For each satellite the following information is provided e SV number e Elevation and azimuth e Signal strength on L1 and L2 e Quality indicator for L1 and L2 measurements This panel provides valuable information on the current performance of your sensor All satellites above the default minimum elevation of 15 degree s
11. measurements contd e Select a job of your choice e Select the antenna setup you use most likely AT502 Pole or AT501 Pole in case a SR510 sensor is used Paa g Config Set PP_KISY Job E Coord Sys WGShd4 Geodetic Antenna ATS Z Polet OMT aS Press F1 CONT to proceed Kinematic and Stop amp Go surveying Step 3 Taking kinematic and Stop amp Go measurements After F1 CONT has been pressed the survey panel appears BMS tes yw terzs SURVEY Default Point Id n Ant Height GOOF 4 a a ee ee Start with a static point measure ment Measure a point for a few minutes Make sure you keep the antenna steady e Use a tripod on the starting point e Use supporting legs quickstand in case the GPS antenna is mounted on a rangepole e Hold the rangepole against a fencepole or another stable object Take the measurements of the starting point by pressing F1 OCUPY to start logging static observations followed by pressing F1 STOP after a few minutes and F1 STORE to store the point related information like Point Id and Antenna Height Static and Kinematic Surveys 2 0 0en Carrying out Kinematic and Stop amp Go measurements contd You are now ready to move your antenna You can expect coordinates with centimeter accuracy as long as lock to a minimum of 4 to 5 satellites is maintained Observations are logged while moving which is indicated by a switch in the sta
12. moving observations must be set to YES pasues Ol Lod Static Obs 16825 YE gt Obs Rate 207 Log Moving 0b YE gt Static Init Log AU Positions Hor Hovinga Art Height Z000 M OMT a a Make sure that the recording rate at the rover sensor is the same as on the reference site Kinematic on the fly Kinematic on the fly contd Taking measurements As soon as the main Survey panel is accessed data logging commences according to the configured logging parameters You will see the status icons changing from moving to static in case you press F1 OCUPY After finishing a point occupation by pressing F1 STOP and F1 STORE the measurement mode will switch back to moving SKI Pro will process such data and resolve ambiguities on the fly It is recommended to collect about 2 minutes of cycle slip free data before you start occupying points Otherwise you take the risk that ambiguities cannot be resolved and the accuracy of such points will certainly not meet the specification of 1 2 cm 1 ppm Kinematic on the fly The Stop amp Go indicator will provide useful information for this kind of operation while you are moving iE S yw terse TATUS STOUPEGO Indicator 2 Sah s Since A 0A GDOP Imas Gs Bar jbs Rec Rate H Moving Obs a CONT u el 5 Sat s since mm ss tells the operator the time elapsed since tracking started or since the last complete lo
13. power the sensor externally In this case connect a GEB71 battery to one of the PWR ports of the sensor Attach the TR500 terminal to the sensor either directly or viaa connection cable by plugging it into the TERMINAL port on the sensor Insert a PC card into the sensor Warning Lock the lid carefully after insertion of the card in order to prevent water and dust from getting inside the sensor Use the hook on the backside of the sensor to hang it on one of the tri pod legs Alternatively you may want to leave the sensor inside the shipping case Your System 500 sensor is now fully ready for operation Static and Kinematic Surveys 2 0 0en In order to operate System 500 some interactions between the user and the TR500 terminal are usually required You will find the operating concept of the onboard software intuitive and easy to use All screens and panels are steered in the same way which makes the software very userfriendly and easy to learn This chapter explains by use of some examples how to operate the terminal These operational guidelines apply to all parts of the system 500 onboard software We basically distinguish between menus and screens which require a certain input A typical example can be found in the main menu Ge ey a be S SLake Out Applications Utilities Job Conf igure TEANS er aana 13 25 Bill a d OMT HIDE You can see 7 differ
14. the name Test_PP has been created The parameters are equivalent to the one of PP_STAT aa Li amp L 7 al lt Rapid Static PF i CONT HEM EDIT DEL IMFO oun Now we are ready to edit the parameters of this new configuration set Just press F3 EDIT to get into a sequence of several screens which contain all relevant configuration parameters Creating new configuration sets The Auto Wake up functionality allows you to preprogram the operation of a sensor By defining start and end times and a configuration set the sensor will automatically start up at the predefined time and take measurements according to the configured parameters and again stop at the predefined time This function is useful if a sensor has to be left unattended and the GPS survey campaign is still hours ahead This way battery power and memory is saved Wake up sessions are programmed in the following way Programming wake up sessions Navigate to the Wake up session menu This menu can be found under 3 Applications 04 Wake up Sessions Determine Coord Zysten PointeLih ArFea Management calculator Fea A DTM Stakeout CONT O Z OJO O O OO O O OOOO O OOOO O O Press F1 CONT The following display appears CONT HEM EDIT DEL IMFO Programming Wake up Sessions Wake up Sessions In this screen it is now possible to create new sessions edit and delete existing sessions Press F2
15. the principles of GPS Surveying i e he knows the concept of differential measure ments the need for a reference receiver etc A basic introduction of these principles is given in the booklet General Guide to Static and Rapid Static After studying these guidelines a user will Know the basic concepts and principles of how to operate System 500 and carry out static rapid static and kinematic GPS surveys Introduction 6 Static and Kinematic Surveys 2 0 0en Equipment checklist for Static and Rapid Static measurements using System 500 If you want to use System 500 for Static or Rapid Static survey then the minimum equipment you need is a pair of System 500 units Each unit comprises a SR510 or SR520 or SR530 sensor A single frequency SR510 sensor requires an AT501 single frequency antenna SR520 and SR530 sensors need to be connected to a dual frequency antenna normally the AT502 standard antenna or for utmost accuracy high precision chokering antennas either a AT503 or AT504 An antenna cable is needed to connect the sensor and the antenna A TR500 terminal a keyboard amp display device is needed to easily start the operation check system status and manipulate sensor parameters Static and Kinematic Surveys 2 0 0en Batteries are needed to power the sensor Standard are two camcorder batteries which are plugged into the backside of the sensor and power the unit for about 6 hours Warn
16. CONT to get back to the STATUS Satellite screen Press F1 again to exit the STATUS menu and return directly to the screen from where STATUS was called The same can be achieved by pressing ESC several times this brings you back step by step until you will also end up at the screen from which STATUS was initially called Stop amp Go indicator The Stop amp Go indicator helps users to judge the necessary site occupation time for rapid static measurements for sensors used as rovers A minimum site occupation time is calculated depending on various parameters such as The number of currently tracked satellites The current satellite geometry represented as GDOP Number of cycle slips The assumed baseline length between the reference site The current rover position 25 ee Exploring the sensor status during operation Stop amp Go indicator contd Once a point is occupied a per centage counter becomes active which informs the user on the site occupation status GR A ut Li 2 Fl 135 BE TATUE ETc E GO Indicator Come leted Time to Go Time at Pt Cucle Slips GDOF Obs Rec Rate Shabic Obs GONT O Z OJO O OO O JO OOOO O OOOO OO O It is recommended to continue data logging until the completion counter indicates at least 100 Additional information provided in this panel is the time already spent on the point the estimated time to go until 100 completion is achieved
17. CYS E E EE E EE EEE ET 12 Taking Static Rapid Static measurements 13 atep T POWE ON sernpre S 13 Step 2 Study the icons occ cece cee eeeeeeeee eens 13 Step 3 optional Format your memory card 15 Step 4 Begin a SUIVEY 00 cece ccecccceceeseeeeaeeeenaeens 16 Step 5 Logging raw data 00 cccccecce neces eeeen eens 19 Step 6 Ending a SUIVEY 0 00 cece cc eecce eect eeeeeeae eens 21 Suggested exercise Measure a very short baseline 22 ee se dod eens sassocet E E ee 23 Satellite Status 0 ccc ec ce cece eee n essen eeeneeeneees 24 Slop amp GO NdicatO aranira ee 25 Battery and memory status onnaanainninen nene ernnneni 26 Display current navigated position cc eeee eee 2 Suggested exercise Get familiar with system status 28 Changing the system configuration parameters crc peracetic eteeweree ys eeweece es 29 Turning on the illumination of the terminal 30 Changing the observation rate 0 eccceeeeee eens 30 Setting local time ZONE cece cccc ce cce neces eeeeneees 31 Changing distance units from meter to feet 32 Creating new configuration sets 33 Programming Wake up Sessions 34 Contents O 4 Static and Kinematic Surveys 2 0 0en Contents contd Kinematic and Stop amp Go surveying using Static initialization ccc ceececeeeeeeeeeeeeee
18. GPS System 500 _ GPS SYSTEM 500 Getting Started with Static and Kinematic Surveys fe o CLCa Version 2 0 English MADE TO MEASURE System GPS500 Congratulations on your purchase of a new Leica System GPS 500 WA ws Static and Kinematic Surveys 2 0 0en View of chapters Introduction Equipment checklist for static and rapid static measurements using system 500 Setting up System 500 for a static survey Using the TR500 terminal Taking Static Rapid Static measurements Exploring the sensor status during operation Changing the system configuration parameters Creating new configuration sets Programming wake up sessions Kinematic and Stop amp Go surveying using static initialization Kinematic on the fly Practical hints for kinematic Stop amp Go and Miscellaneous Appendix Summary of status icons Appendix Measuring antenna heigths Static and Kinematic Surveys 2 0 0en Le a View of chapters A a i Introduction cecescecceececcss ences cesunsassseeesetseasecceeebe 6 Equipment checklist for Static and Rapid Static measurements using System 500 7 Setting up System 500 for a static survey 8 Using the TR500 terminal ceeeee 9 INTIS cass noe a anessctnetaty gates tere vetawmcaunatnaueunanceay 9 Entering information ccccccecccceseeeeeeeeeeeneeeeeneeeans 10 WIS TD ONES ches ctrescienianchanesseonettetouanacestanideestarcte staandeotiel 11 Fl UK
19. an start computing a position AS soon as a position is available it will be indicated by an icon on the far left of the status line Since for post processing surveys no realtime link will be used the icon will always indicate the availability of an autonomous position navigated position with an accuracy of about 100 meters As soon as the position icon becomes visible the sensor is ina stage where practical operation can commence If the position icon does not become visible even after one or two minutes then the sensor is still not tracking satellites If the number of satellites used is still zero please check whether the antenna cable is connected properly to both sensor and antenna Taking Static Rapid Static measurements If the number of satellites used differs from the number of visible satellites make sure you place the antenna in an open area without obstructions since any obstacle will block the view of satellites When you switch on the unit for the very first time it might take a maxi mum of 5 minutes until all satellites are tracked This can happen in case your current location differs significantly i e gt 1000 km from the initial position which is the position where your sensor has been used before Once you are tracking satellites the position memory in the sensor will be updated The battery status icon at the right side of the icon line shows from which source the sensor is current
20. atic Surveys 2 0 0en Carrying out Kinematic and Stop amp Go measurements Step 1 Setting up the reference site Step 2 Starting the rover sensor Follow the instructions given in the previous chapters on running a static survey Kinematic and Stop amp Go surveys are part of the Survey operation of system 500 to be found under 1 Survey in the Main menu Make sure the observation rate is the same as the one you choose for the roving sensor and that logging of static data is turned on Normally a rate of 2 3 or 5 seconds is chosen for Kinematic and Stop amp Go surveys e Select a suitable configuration set preferably the factory default set PP_KIS Make sure that the reference receiver is operated in an environment which is suitable for GPS measurements it should be free of obstructions in order to avoid missing satellites or poor satellite signal reception Static and Kinematic Surveys 2 0 0en Of importance is that the data logging parameters are set correctly for Kinematic and Stop amp Go surveys Logging for both static and moving observations must be turned on Also the parameter Static Initialization has to be set to YES DASS ail COMFIGURE Loaairg 16825 Loy Static Obs TEZY Obs Rate 2 AF Log Moving Obs YE gt Static Init Loy AU Positions Hor Hovinga Art Height Z000 M OMT a a Kinematic and Stop amp Go surveying Carrying out Kinematic and Stop amp Go
21. display 16 78 gt 2S Ae ir CONT HEM EDIT DEL IHFO The session which has just been programmed appears on the list and is highlighted Session number start date and time as well as duration is displayed Press F1 CONT to confirm the newly created wake up session It is then safe to turn off the sensor The sensor will then automatically execute the operation as defined in the session parameters Alternatively press F4 DEL to delete an already programmed session or press F3 EDIT to modify an existing session or press F2 NEW to create another new Wake up Session Static and Kinematic Surveys 2 0 0en Kinematic and Stop amp Go surveying using static initialization Introduction and general comments Kinematic measurements will provide the trajectory of a moving antenna If for instance raw data is logged every second the result will be 3 dimensio nal coordinates for every second the antenna was moved While kinematic measurements are only time related but not point related Stop amp Go measurements deliver coordinates for discrete points which are occupied for a short period of time usually a few seconds In order to achieve position accuracy s on the centimeter level in a moving environment the so called ambiguities must be resolved The safest way is to start Kinematic and Stop amp Go surveys with a static initialization Usually about 5 minutes of dualfrequency static observati
22. e When reconnecting the ter minal the same panel will reappear Datalogging should continue depending on your observation plan a sensor used as reference has to run permanently until all rover site occupa tions are completed If a unit is operated as a roving receiver the site occupation time depends mainly on the baseline length and your accuracy requirements See General Guide to Static and Rapid Static for details Static and Kinematic Surveys 2 0 0en Step 5 Logging raw data continued Once sufficient amount of raw data has been collected the survey of the point can be completed by pressing F1 STOP The screen is altered as follows Ce k 5 a z Al 14255 ne Teo Point Id n 1 556 M Ant Height GDOP 6 5 r STORE Static and Kinematic Surveys 2 0 0en The STORE key has become active and you have still the chance to check and correct entered point id and antenna height Conclude the survey sequence by again pressing F1 STORE After pressing the STORE key all related information will be stored in the currently used job point id antenna heights etc Step 6 Ending a survey You can now quit the survey operation panel by pressing SHIFT F6 QUIT This brings you back to the main menu Pressing SHIFT F6 will always allow you to terminate the survey operation even during a site occupation In this case you will loose all data collected since pressing OCUPY As soon as you ar
23. e back to the main menu the PC card may be removed This is indicated by the PC card icon in the status line which contains an arrow Taking Static Rapid Static measurements Step 6 Ending a survey conts Suggested exercise Measure a very short baseline You can now switch off the sensor Once power is off put the equipment back into the shipping case You might now move to another site and repeat the procedure outlined in this chapter Once your fieldwork is finished you can proceed by processing the collected data in SKI Pro in order to get accurate baseline results It might be a useful exercise to start e Transfer the data of both sensors with a very simple static baseline into SKI Pro and post process the collected raw data e Choose a location which is free of obstructions e Compare the GPS results with your initial tape reading The resulting e Mark two points on the ground slope distance should not differ by which are a few meters apart and more than a few millimeters measure the distance by tape for comparison later on e Set up two System 500 sensors on tripod as explained in chapter 2 e Log raw data simultaneously on each unit for about 10 minutes using the PP_STAT configuration and newly created jobs e Measure and record the height of the antennas correctly using the height hook e Enter Point Id s of your choice Taking Static Rapid Static measurements 22 Static and Kinematic
24. e static initializations on unknown points are very time consuming with single frequency receivers Static and Kinematic Surveys 2 0 0en Kinematic on the fly measurements provide the trajectory of a moving sensor without the necessity of a static initialization The sensor can be moved from the first observation epoch onwards Accurate results on the centimeter level can only be obtained if dual frequency phase measurements are available Thus this method is restricted to SR520 and SR530 sensors Single frequency receivers like the SR510 sensor cannot be used for precise kinematic on the fly measurements The advantage of this measurement method is that the sometimes time consuming static initialization is avoided thus the productivity in the field will be higher Static and Kinematic Surveys 2 0 0en The disadvantage of this method is that an absolute minimum of 5 satellites on L1 and L2 is needed to allow a fixing of ambiguities on the fly in post processing Discrete points can also be measured within a kinematic on the fly measurement chain Thus the operation procedure is very similar to standard Kinematic and Stop amp Go surveying as described in the previous chapter Kinematic on the fly Configuration parameters for kinematic on fly It is important that the logging parameters are set correctly The parameter Static Init must be set to NO while logging of static obser vations and
25. eeeees 37 Introduction and general comments ccceeeeee of Equipment setup for Kinematic and Stop amp Go surveys 38 Carrying out Kinematic and Stop amp Go measurements 39 Initialization ON a KNOWN point 0c cece cece ees 42 Kinematic on the fly scccseseeeeeeeees 43 Practical hints for Kinematic Stop amp Go and Kinematic on the fly measurements 45 Miscellaneous cceccceeeeeeeeeeeeeeeeeeneenneeenenees 46 Appendix Summary of status icons 47 Appendix Measuring antenna heights 49 Static and Kinematic Surveys 2 0 0en 5 Contents a The purpose of this short manual is to give guidelines and useful hints on how to perform static rapid static and kinematic surveys using SR510 SR520 or SR530 GPS receivers without utilizing Realtime techniques Realtime applications based on the use of radio modems in particular RTK Real Time Kinematic opera tion with SR530 receivers are described in the booklet Getting Started with Real Time Surveys Full description of all features and functions of System 500 can be found in the Technical Reference Manual which is available as an electronic PDF document only This manual can be found on the SKI Pro installation CD For more information please refer to the file MANUALS README TXT on the SKI Pro installation CD Introduction It is assumed that the reader of this manual is familiar with
26. ent choices Line 1 Survey is highlighted which means that this is the currently selected choice STR eee Menus You can navigate up and down the screen using the cursor up down keys on the terminal The highlighted bar will follow accordingly For instance press the cursor down key me La 5 Al 3 ce 3 fall EL Wey oe Em Lt oo Licatiohs Stilities Job 13 2Y Conf igure TEANS F er aana CONT I E 1 d 5 7 twice to highlight 3 Applications The function keys at the bottom of the screen describe certain commands If for instance you want to enter the Applications part of the software you press F1 CONT to continue Static and Kinematic Surveys 2 0 0en Using the TR500 terminal Menus continued A shortcut is to press the numbers which are associated with each choice directly For instance if you press 6 you will get straight into Configure Using the TR500 terminal Entering information A typical example can be found in the main Survey panel AS oo Gil Ported s M Point Id n Ant Height AHAA m GOOF z Bal ir Cs ee ee Two inputs have to be made here the Point Id and the Antenna Height Use the cursor down up keys to move to the desired input field In the current example the Point Id can be entered Use the alphanumeric keys on the terminal to enter the information Use the CE key to correct any typing error Use the ENTER key to conclude the
27. f even a few centimeters only can cause difficulties in post processing of such data leading to unresolved ambiguities and therefore poor accuracy of the starting point as well as all subsequently measured points e A static re initialization is always carried out after a complete loss of lock e Satellite geometry is strong This means that a minimum of 5 satellites should be visible throughout the whole operation preferably 6 or more satellites Kinematic and Stop amp Go surveying Equipment setup for Kinematic and Stop amp Go surveys On the reference site static measurements have to be taken Follow the instructions given in chapters 1 to 4 with regard to conducting static survey operations The roving sensor however might be configured differently in order to allow efficient operation while moving from point to point The GPS antenna can be mounted on arangepole and the sensor can be stored in the System 500 Minipac alternatively the whole sensor can be kept on the rangepole itself The System 500 rangepole is designed such that either the terminal or the sensor itself can be attached easily The length of the rangepole is such that the total instrument height of an AT501 or AT502 antenna equals exactly 2 meters All vertical antenna offsets are taken care of see the Technical Reference Manual for details on how to setup a System 500 sensor for kinematic and stop amp go surveys Static and Kinem
28. he Configuration program was activated Changing the observation rate You might want to change the rate at which observations are recorded This parameter can be found under 2 Operation 3 Logging panus ol 15 19 Log Mowing obs Loy Auto Positions Hor ee ee Move the focus to the next line by pressing the cursor down key Then either press ENTER to get access to a list box with all possible rates from 0 1 sec to 60 sec or use the cursor left right keys to toggle among these options one by one Static and Kinematic Surveys 2 0 0en Changing the observation rate contd Warning e If Log Static Obs is switched to NO then no raw data will be logged anymore No data will then be available for post processing e If you change the recording rate please keep in mind that only those observations can be post processed for which data for both reference and rover sensors is available If for instance one unit is re cording every 10 seconds and the other unit is recording every 15 seconds then only data every 30 seconds is common and can be post processed Static and Kinematic Surveys 2 0 0en e Itis not recommended to switch Log Moving Obs to YES This parameter is only of interest in case kinematic observations should be post processed Setting local time zone The local time zone can easily be set under 3 General 4 Time amp Initial position DE tz 3 CONFIGURE Time amp
29. he ON button on the terminal One of part of the screen which contains of oale the following two screens will appear several symbols icons which L2 icon indicating the number of on the display indicate the current system status satellites currently tracked either on L1 or on L2 at La S 13127 z H L F pil As Li e wal 10 iza ATH Lz 5 Upon power on you will read L1 0 z Stake Out L2 0 It will take about 30 seconds DE Catig oe i i ieee until these number will start changing 5 Job os e F 2s oea 2 2 2 amp con iaure E S ps FEER and very soon reach the number of TRANS Er sa SS g 88 Pe 8 visible satellites cont OOOO HITEL O rc a ot A g a S o Both Number of visible satellites lt 2 Sg i wo J and Number of satellites used icons will change from time to time re flecting changes in the satellite geometry due to either the rise of new satellites or the setting of de ast Hl Upon power on you will first recognize the Number of visible Satellites Z Stake Out S Applications icon indicating the number of i l scending satellites satellites which are theoretically visible at the current location and e EE te Usually this number varies between 4 and 10 depending on the satellite geometry ee Taking Static Rapid Static measurements Static and Kinematic Surveys 2 0 0en Step 2 Study the icons continued Once a minimum of 3 satellites is tracked the sensor c
30. her unit parameters can be changed here for instance the format in which dates should be displayed Confirm changes by pressing F1 CONT If you want to exit this panel without making any changes simply press ESC to get one level back Static and Kinematic Surveys 2 0 0en In case the factory default configuration sets do not fully meet your requirements you can easily create new ones by carrying out the following procedure Select 6 Configure from the Main menu The main menu is the first one to appear after power on In case only menu items 1 to 3 are visible press F3 SHOW first The following display appears Description Default PPLSTAT Default Det ault Detault i CONT HEM EDIT DEL IMFO oun Static and Kinematic Surveys 2 0 0en Highlight the configuration set which you want to copy to a new one The parameters of this set will be copied across to the new one you will create by pressing F2 NEW The following display appears E wr Li 5 5 Le T COHF IGURE pi gl 15 25 Hew Conf igur ation Set Hame z Test FPF Description a static PP Crestor Ce a ee ee Type in a new name Input of a description and a creator s name is optional Finish this step by pressing F1 CONT If you press ESC instead then you return to the previous screen without having created a new configuration set Creating new configurationsets new configuration sets A new configuration set under
31. hould be tracked Tracked satellites will show signal strength values between 32 and 51 SN1 and SN2 Signal Noise values on L1 and L2 High elevation satellites should have values between 45 and 51 Low elevation satel lites elevations below 20 degree will show values between 32 and 40 Not tracked satellites are shown with a dash line instead S N values The measurement quality is indicated with numbers of up to 99 in the QI and QI2 column Values will usually vary between 80 and 99 Lower values indicate disturbed signal reception for instance caused by trees leaves or very active atmospheric conditions Exploring the sensor status during operation 24 If you find satellites above 15 degree which are not tracked then the line of sight between the antenna and the satellite is most likely blocked by obstructions If more than 6 satellites are in view you have to use the cursor down up keys to scroll up and down the screen and get the information on those satellites which do not fit onto the same screen Static and Kinematic Surveys 2 0 0en Satellite status continued Press F5 SKY to get a skyplot representing the position of each satellite with respect to the Zenith and North Sys Ol Loire The center of the graph represents the Zenith the circles represent lines of equal elevation 15 degree 30 degree 60 degree from outside to inside Static and Kinematic Surveys 2 0 0en Press F1
32. ical scroll bar which indi cates the current positio n within the list In this particular example the current focus is about 20 below the top of the list Such a scrollbar becomes useful when the listbox is very long Using the TR500 terminal If the listbox is very long it might become cumbersome to navigate by pressing cursor down up to move down and up the list In such cases press the SHIFT key to get access to page down up home and end keys 1s sr pi E lt al ATAI Tripod ATOZ Pillar HELF HOME END PG UPIPG DHOOIT Another way to make a selection from a listbox is by using the cursor left cursor right keys Instead of opening a list box press the cursor left or cursor right keys to toggle between different choices Hardkeys The terminal supports some additional useful hardkeys The ESC key allows you to escape from a screen Instead of executing a command you get back to the previous screen The STATUS key provides direct access to all system status informa tion based on a certain menu structure The CONFIG key allows to change configuration parameters during operation Static and Kinematic Surveys 2 0 0en Taking Static Rapid Static measurements Step 2 Study the icons Most important at this stage is the top Next to this symbol you find the Number of Satellites used on L1 Step 1 Power on Turn on the sensor by pressing t
33. ight or AT501 Tripod during the begin of or AT501 Pillar during the begin of a Reading VR per default is 2m a survey Measure and enter the survey Measure and enter the Normally you do not have to change Vertical Height Reading VR The Vertical Height Reading VR from this value The Vertical Offset VO is Vertical Offset VO is 0 360m and is the pillar benchmark to the Om and is applied automatically applied automatically Mechanical Reference Plane MRP The MRP is the underside of the threaded metal insert at the bottom of the antenna housing a Static and Kinematic Surveys 2 0 0en 49 Appendix Measuring antenna heights Leica Geosystems AG Heerbrugg Total Quality Management Switzerland has been certified as being TO ivi Our commitment to total customer equipped with a quality system which satisfaction meets the International Standards of Quality Management and Quality Ask your local Leica agent for more Systems ISO standard 9001 and Envi information about our TQM program ronmental Management Systems ISO standard 14001 Seica Leica Geosystems AG Geodesy 712172en 2 0 0 Oise yn ected Switzerland Printed in Switzerland Copyright Leica Geosystems AG Phone 4171 727 31 31 Heerbrugg Switzerland IV 1999 Fax 41 71 727 46 73 Original text www leica geosystems com
34. ing Brand new camcorder batteries need about 5 charging cycles before reaching the full capacity It is highly recommended to fully charge and decharge camcorder batteries for 4 to 5 times before start ing using them for practical fieldwork This is easily accomplished by plugging them into the sensor and having the sensor turned on until the sensor switches off automatically once the batteries get flat Then simply recharge them and repeat this exercise Equipment checklist Setting up System 500 for a static survey successful GPS surveys require undisturbed satellite signal reception This means that GPS sensors should be set up in locations which are free of obstructions No obstacles like trees buildings mountains etc should block the line between the GPS antenna and GPS satellites This holds true in particular for the sensor which serves as the reference For static and rapid static surveys the antenna must be kept perfectly steady throughout the whole occupation of a point This means that the AT501 or AT502 antenna will usually be put on a tripod Center and level the tripod precisely above the survey marker Place and lock the carrier in the tribrach Mount the antenna onto the carrier Setting up System 500 for a Static survey Connect the antenna to the sensor using the antenna cable Plug two camcorder batteries into the backside of the sensor Alternatively or in addition you might want to
35. ishes this startup sequence Static and Kinematic Surveys 2 0 0en Step 5 Logging raw data We are now within the main Survey panel The way the sensor is currently configured the panel will look as follows pee 14 42 Hl Point Id Ant Height A A m GOOF 6 6 a It is time to check again the icons on the top of the display The position icon should be available the position mode icon still indicates moving the number of satellites visible icon should display a number greater or at least 4 and the number of used satellites should be identical to the number of visible satellites As soon as you are tracking a minimum of 4 satellites the position icon is visible and the antenna is placed correctly above the survey marker you should press F1 OCUPY This activates logging of raw data and the screen changes accordingly Dp i LH Li gi i4 4E Point Id Ant Height A A m SbLatic ObS 1 GOOF x 6 6 4 AmA The position mode icon has changed to static indicated by a symbol of a tripod Taking Static Rapid Static measurements Step 5 Logging raw data continued A new icon is now displayed which indicates that raw data is logged m5 Raw data containing pseudorange and phase measurements to each tracked satellite is logged at predefined intervals by default every 10 seconds which is the observation recording rate set in the default PP_STAT configuration set
36. ly powered A and B indicate the internal batteries E an external battery source The symbol also indicates the voltage level of the currently used battery in 4 different stages from full fully black to 2 3 to 1 3 and almost flat white color The memory status icon gives several information whether memory for logging data is available or not Options are either a PC card or internal memory If a PC card is available and configured for use then at this stage an arrow indicates the fact that it is safe to remove the PC card from the sensor The little bar on the right side indicates the available memory on either the PC card or the internal memory Warning You cannot proceed from here if no memory device is avail able Insert a PC card other wise no GPS survey can be carried out All status symbols which are relevant for static and kinematic measure ments are listed in the appendix Static and Kinematic Surveys 2 0 0en Step 3 optional Format your memory card Before you start logging data you may want to re format your PC card or your internal memory ZJ This step is only necessary if a completely new PC card is used or all existing data should be deleted Press 4 on the terminal or use the cursor down key to highlight the line 4 Utilities then press ENTER alternatively press F1 CONT If only lines 1 to 3 are visible at this stage press F4 SHOW first Then press 2 to get access to
37. ons Static and Kinematic Surveys 2 0 0en on a baseline not longer than 3 5 km will be sufficient to resolve ambi guities in post processing Once this static initialization is accomplished the GPS antenna can be moved and other points of interest can be occupied with only a few seconds of measurements High accuracy s will be maintained as long as satellite signal reception is not interrupted for instance by obstructions As soon as a complete loss of signal lock occurs this means that the signal of satellites is interrupted such that less than 4 satellites remain unaffected the high accuracy of results is lost and ambiguities must be reestablished first This means that in such a case another static initialization is required Kinematic and Stop amp Go surveying is an efficient way of measuring many points quickly and efficiently provided the following criteria are met e Distances between the reference receiver and the rover is fairly short ideally less than 3 km Baselines above 5 km should be avoided if possible e The surveying area is fairly open with not many obstructions between points Obstructions will cause satellite signal interruptions which can cause complete losses of lock In such cases static re initializations become necessary which slow down the field operation Kinematic and Stop amp Go surveying e The rover is kept perfectly steady during the static initialization Movements o
38. ous panel without execution of any command Taking Static Rapid Static measurements a Step 4 Begin a survey Enter the Survey operation by either pressing 1 in the Main panel or by first navigating to 1 Survey via cursor keys and then pressing ENTER or F1 CONT The following panel will appear pasee Oy 1339 Config Sets Job Test Coord Sys HG54 Geodetic Antenna 7 ATSeS Tripod Ce a EE Some basic decisions have to be made in this panel Which configuration set should be activated in which job the raw data should be stored and which antenna setup should be used Static and Kinematic Surveys 2 0 0en Step 4 Begin a survey continued A Configuration Set Config Set is a collection of certain sensor parameters needed to perform a certain operation like data recording rates point id templates data formats antenna types coding methods etc Several default configuration sets exist which cover standard survey scenarios How to create new configuration sets is described ina later chapter as well as in the Technical Reference Manual For static survey you should select the PP_STAT configuration set You can make this selection either by using the cursor left key to toggle between all available configuration sets until PP_STAT appears or you can highlight the input field and press ENTER Static and Kinematic Surveys 2 0 0en Then a list box showing all available sets becomes available
39. ration End a kinematic or stop amp go survey by pressing SHIFT F6 QUIT This will of course also end logging of raw data Kinematic and Stop amp Go surveying Initialization on a known point Static initializations can be speeded up by occupying a point with known coordinates If the coordinates of a point are known in the WGS84 system to within 5 10 cm the static initialization can be accomplished with about 20 to 30 seconds of measurements 10 to 15 epochs e Get into the main Survey panel e Start measuring by pressing F1 OCUPY in order to log observations on that point Keep the rangepole steady e After about 20 to 30 seconds press F1 STOP e Make sure you enter the correct point id and antenna height Then press F1 STORE e You can now start moving and occupy subsequent points with few seconds of measurements The need for another static initialization arises only in case of a complete loss of lock although it is recommended to keep such a track of measurements short e g maximum of 20 points When you post process the data in SKI Pro you have to mark such tracks as Init track this ensures that SKI Pro relies on the already existing coordinates for this point to fix ambiguities Again it is important that the coordinates of the starting points are accurate to within 5 to 10 cm within the WGS84 system This method of initialization is of particular interest for SR510 sensors becaus
40. s and then reinitialize again You can force the system to do so by just blocking the GPS antenna by hand for some seconds until the message Complete loss of lock appears Static and Kinematic Surveys 2 0 0en Practical hints These guidelines cover only a small subset of the functionality which is available on System 500 sensors Most of the functionality is used only in realtime applications This chapter lists additional features which might be of use also for static or kinematic surveys Detailed descriptions can be found in the Hardware User Manual e System 500 sensors can be used without any terminal at all Sensors can be preprogrammed in a way that only the On button has to be pressed then everything else is done automatically even the switch off of the sensor e System 500 sensors are equipped with 3 LED s which provide status information on power tracking and memory The LED s are visible when the terminal is not attached to the sensor Miscellaneous e System 500 supports two levels of operation modes Standard and advanced Certain parameters are de activated in standard mode for simplicity reasons and therefore can only be accessed if the sensor is previously configured to Advanced mode e System 500 supports a compre hensive coding system By default coding is deactivated for simplicity reasons Point related thematical coding is possible as well as free sequential coding e In Stat
41. ss of lock It is recommended to start occupying points only once this counter exceeds 2 minutes In case of a complete loss of lock i e the number of satellites tracked on both L1 and L2 falls below 5 the counter is reset to Zero Post processing of Kinematic on the fly measurements SKI Pro will treat the data as so called Mixed Tracks Both static and moving data is contained in one and the same chain of measurements In the example above points 1 to 5 are static points Data processing will compute and provide a position for each static point by averaging the results of each epoch of data which was taken during the static occupation Static and Kinematic Surveys 2 0 0en Practical hints for Kinematic Stop amp Go and Kinematic on the fly measurements e Itis very important to use a period e Include independent checks in your of time where the satellite measurements Either measure a constellation is strong a window point twice based on different with more than 6 satellites is ideal initializations or include known points into your survey e Distances between reference and rover should be kept short Ideally this distance does not exceed 3 to 5 km e It is recommended to keep a track consisting of the observations taken during static initialization as well as during moving and occupying subsequently measured Stop amp Go points short It is suggested to end a track after e g a maximum of 20 point
42. tatic and Kinematic Surveys 2 0 0en Display current navigated position The current position can be found under STATUS in submenu 1 survey 3 Position The following screen is displayed GOR a th 3 STATUS Position Local Time 15 1 14 11 09 0 91 HG54 Lat oo 47ess 3d 55455 H HG34 Lon 321357 RA 54583 E HG34 EHH ci4 346 M HOOP 7 od WOOF J Da m E rT Exploring the sensor status during operation Suggested exercise Get familiar with system status e Start up a sensor and begin a Survey e Start measuring a point by pressing F1 OCUPY in the main Survey panel e Explore various status screens Satellite Status Skyplot Watch the Stop amp Go indicator Check battery level Current navigated position e Finish the site occupation by pressing STOP and STORE after entering a Point Id and an Antenna Height Exploring the sensor status during operation 28 Static and Kinematic Surveys 2 0 0en The user has direct access to all configuration parameters via the CONFIG key Almost all currently used configuration parameters can be altered any time Access to these parameters is via the CONFIG button Upon pressing it the following menu appears DE S s fill COHF IGURE Ppe stat Hnf 1 Surve 16616 3 General 4 nterf aces CONT A CONFG Static and Kinematic Surveys 2 0 0en Itis again very easy to navigate further and get access to individual
43. te to this input field and press ENTER in order to get access to the point management ti CONT HEM EDIT DEL INFO jot If the point list is empty or the point you want to occupy is not contained in the list you have to create a new point by pressing F2 NEW El 3 e o3 ail TF i188 HG54 Lat AA BE AEE i HG54 Lon BRE AE Bee E HG54 EHgt BABE m Em a Enter a Point Id You can leave the coordinates blank the correct input of these coordinates is only of importance for points which should be used as realtime reference sites Press F1 STORE to create the new point and get back to the previous display Programming wake up sessions Programming Wake up Sessions contd Press F1 CONT to get back to the New Wake up Session display The Point Id of your choice is selected Now enter the antenna height It is recommended to measure the antenna height while you prepare the wake up session Last but not least it is possible to define repetitions of one and the same session Enter a number for of execut s different from one if you want this particular session to be carried out more than once In this case you also have to enter a interval hh mm ss format The maximum interval to be entered is 23 59 59 Programming wake up sessions All necessary input is now given Please verify the input for correctness by using the cursor up down keys Then press F1 CONT This leads to the following
44. the Format Memory Module panel or alternatively use the cursor key to navigate to 2 Format Memory Mod ule and press ENTER again alternatively press F1 CONT Static and Kinematic Surveys 2 0 0en You are now in the Utilities Format Memory Module panel pasee g iss UTILITIES Format Memory Module Denice BUICK FOr Mate YEZ CD a a If you want to format the PC card just press F1 CONT to format the card If you want to format the internal memory press ENTER A listbox opens which allows you to select the internal memory DAs O WTILITIES Format Memory Module Denice Internal BUICK FOr Mats KLMNOPGRS UUM eC Taking Static Rapid Static measurements sa Step 3 optional Format your memory card continued Use the cursor key to highlight Once the formatting of the card is Internal then press ENTER Then completed the MAIN panel will press F1 CONT in order to start the reappear formatting process of the internal memory Warning a By activating the format command all data will be lost Make sure that all important data which resides on the PC card is properly backed up before reformatting the card If you want to reformat the internal memory make sure that all important data is first transferred to the PC If you realize that you do not want to format the memory device simply press ESC instead of F1 CONT This keystroke brings you always a step back into the previ
45. tus symbol from Static to Moving mo fil If you are only interested in the trajectory of your antenna then just get moving Postprocessing will provide you with time tagged coordinates for every epoch at which observations are logged normally every 2 3 or 5 seconds Static and Kinematic Surveys 2 0 0en If you want to pick up subsequent discrete points then just move to the next point you want to measure Then press F1 OCUPY and hold your antenna steady for a few seconds You have to remain on the point until at least one epoch of Static observations has been recorded You can then again press F1 STOP and F1 STORE to complete the point measurement A Point Id and antenna height must be entered for such Stop amp Go points Post processing will provide results with point id s and associated coordinates Make sure you avoid obstructions when you move from point to point Severe obstructions might cause a complete loss of lock which in turn will cause a loss of accuracy in post processing A static reinitialization will become mandatory in such a case A warning message will be displayed to inform the user to start another chain of measurements Another static initialization is necessary In this case logging of raw data stops automatically Thus you now must carry out another static initialization see above Kinematic and Stop amp Go surveying Step 4 Ending a kinematic and stop amp go ope
46. us all measured points of a job can be viewed e Itis possible to automatically increment point id s based on user definable templates Miscellaneous e System 500 is equipped with a calculator function This can be found under 3 Applications 03 Calculator e The System 500 sensor firmware supports a multilanguage concept English is the master language and permanently loaded Several local language versions exist which can be loaded and activated in parallel Talk to your local Leica dealer for details Static and Kinematic Surveys 2 0 0en The following Status Icons are supported by the sensor during static and kinematic measurements Position accuracy status Navigation lt 100m When no icon is shown no position is available This usually means that no or not enough satellites are tracked Other accuracy levels are not supported unless realtime corrections are received through a radio Position mode in Static the GPS Antenna should be held stationary El Moving The GPS Antenna may move Static and Kinematic Surveys 2 0 0en Appendix Summary of status icons Number of visible satellites ft 3 The number of theoretically visible number of satellites according to the currently used almanac is displayed Number of satellites used on L1 and L2 Li 6 Le r The number of currently tracked satellites are shown If a SR510 single frequency sensor is used only the
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