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AboutAntexReader
Question Hi,All After having updated my gpstk source to the latest stable 1.6, I got an error when I try to call "AntexReader" in visual studio 2008, I steped into ...
AboutBasicMathFunctions
Question Hi,All The latest "PhaseWindup.cpp" file(line 105) call the function 'round', but I don't find any declaration in the file or the others. d = prev ...
AboutBuildOfGPSTk
Question Hi All, Here are some questions: 1 Which complier is used to build the stable release of 'Microsoft Windows 32 bit Intel x386 compiled binaries' ? 'cygwin ...
AboutGPSTkBranches
Question Hi,All, I want to know more about the GPSTk branches RC1.6 and rinex3_dev, where can I get these information? will these branches be merged in future? Thank ...
AboutGetAntennaPCVariationFunction
Question Hello! I am a postgraduate student in Moscow Aviation Institute. I want to understand some questions. There are 3 types of angles that are used in GPSTk: ...
AboutInstallingRegexSupportForVisual
Question Hi there, Is it possible to give more explanations about this topic (InstallingRegexSupportForVisualCPP). After not using gpstk for a while, now I discover ...
AboutPoleTidesImplementation
Question Hello again, In my opinion the implementation of gpstk::PoleTides::getPoleTide function is wrong. Here is my argumentation. According to Eq.(3) (Wahr, 1985 ...
AboutRegexFile
Question Hi, I tried to integrate some GPSTk designed classes in a particular VC application. When I a tried to compile my app, I got the following error: Build ...
AboutSP3EphemerisStore
Question Here I am again with another comment There is a case that is not considered by the SP3EphemerisStore class. According to the SP3c manual 1 , line 24 of the ...
AboutSatArcMarkerClass
Question Hello. There is code from SatArcMarker.cpp: // Satellites can be new only once, and having at least once a flag 0.0 outside 'unstablePeriod' will make ...
AboutSegmentationFault
Question Hi,Dago, I have finish the QUAD algorithm for outliers detection, but I don't know how to add it to GPSTk, and if you don't mind I can send the codes to you ...
AboutVectorRotation
Question Hi,Dago, I represent my question here. I have a new idea about PPP, and I need to do the following transformation: Assume there is a station with position ...
AlreadyBuildUnderWindows
Question Hello Is it possible to get final version (build) for Windows XP or 7? Main.DzevadK 27 Nov 2013 Answer Hello, Sourceforge currently has Windows 7 compatible ...
AnsweredQuestions
Answered Questions All SupportStatus categories:
ApplicationExamples
Question Really want to get all of the GPSTk Applications which are listed on the Table 3.1 GPSTk Applications, categorized, with execution examples, August 24, 2012 ...
AskedQuestions
Ask a Support Question Before you ask a question, please check the following: Documentation: * SystemRequirements what it takes to build and run the GPSTk ...
BestPlaceToSubmitPatches
Question mailing list, wiki, bug tracker? here's one for RinEdit.cpp: 942c942 " OR 'y,m,d,h,m,s'(%Y,%m,%d,%H,%M,%S)\n" Main.FelipeNievinski 17 Oct ...
BiasoutoptioninIonoBias
Question Dear All, I have just started using the GPSTk software. I was checking the IonoBias command. I am not able to get the output file which has the satellite ...
BrokenDownloadLinktoPCRE
Question The link to PCRE setup for Regex at sourceforge is broken. Any ideas on somewhere else i can download it? Main.DominicFuller 19 Oct 2008 Answer I couldn ...
BugSaasTropModel
Question Hello again, SaasTropModel class has a bug. There is a wrong implementation of the formula that computes the wet zenith delay (see line 1527, TropoModel.cpp ...
BugWithinverseLUD
Question Hi, I got a error when call inverseLUD() under windows xp,and my compiler is microsoft visual c 9.0. Error Location: in file 'MatrixFunctors.hpp',line ...
BuildAppsWin
Question Hello, For the following question "How do you determine what applications should be built in the GPSTk?", a method which will generate the list of apps to ...
BuildErrorOnMac
Question Hi, I wanted to install the gpstk un my MACOSX10.9 I got the following error code after typing make in my terminal. What can I do? Many thanks 35% Building ...
BuildForVS2010
Question Could anyone help to give the detail instructions how to install CMake on Windows 7 and how to build GPSTk on visual Studio Pro 2010? I have extracted both ...
BuildInVS2013problem
Question Hi, I have tried building GPSTK 2.5 in VS2013. At the end, I get 52 succeeded and 2 failed. How can I solve this problem? Thank you! Main.JuliaJing 07 ...
BuildOutput
Question Hello, 1. What should I expect as output after I build GPSTk? 2.I built it today and a lot of the links and obj failed. Here's one of the several msgs that ...
BuildRedhat
Question I tried to build the toolkit under redhat but ./autogen.sh doesn't do anything. I verified I have autoconf (GNU Autoconf) 2.59 I log in as root and untar ...
BuildingGPSTkUnderWindowsVista
Question It says that I need VC and Jam. DO I also need Cygwin and Doxygen to build GPSTk? Its kind of confusing coz I am new to this and donot have much idea. Kindly ...
BuildingGpstkMSVC
Question Hello, I am trying to build Gpstk under win vista MSVC ..and am stuck at STEP 5. It says "At this point, change directory (cd) to your copy of the \dev ...
BuildingTKunderMSVS2010
Question Hello all, I followed the following steps in an attempt to download, install, compile and run the example1 code: 1)downloaded per: svn checkout https://gpstk ...
BuildingUnderWinStep5
Question Hello Sir, I am trying to build GPSTk under Windows. In GPSTk.org, it asks me to follow five steps to build it. However I am stuck in the 5th step and dont ...
BuildingWithVS2013
Question Hi I have been trying without success to build with Visual Studio 2013, does it really not work? Regards, Pier Main.PierMes 11 Feb 2014 Answer Hello ...
BuildinginMSYS
Question When I try to build RC2.0 in MSYS I got an error. The message is below: " mv: cannot stat '.deps/AlmOrbit.Tpo':No such file or directory " The steps which ...
BuildingunderlinuxusingGNUmake
Question Dear gpstk developers, First of all, thanks for this comprehensive package for rinex processing, released under GPL. Reading here and there about 'jam' for ...
CalcPR
Question I need to calculate PR, CP, cycle slips, covariance, etc. I have an EGI which provides SOME raw GPS satellite data. I am not sure the data is sufficient or ...
CalculateSatelliteCoordinates
Question Hello everyone! There is a small task. We need to calculate satelite coordinates at dispatch time. As the input we have RINEX obs file and RINEX navigation ...
CanDDBaseProcessDynamicBaseLine
Question Hi,All Assume there are two stations, one of them or both of them are kinematic, can I calcute the baseline with DDBase? Is there any codes in GPSTk can process ...
CanGPSTkProcessClockRinexFileFromIGS
Question Hello everybody! I get the following comments from example 8. // Used to decimate data. This is important because RINEX observation // data is provided with ...
CarrierPhaseTimeSeriesGpsL1
Question Dear GpsTk community, I have started to try out GpsTk as a way to evaluate the performances of low cost receivers (mostly u blox based). As I want to evaluate ...
ChangeSolverPPPFromStaticToKinematic
Question Hi,all. I want to process spaceborne gps data(champ grace etc.) with SolverPPP. As example 8 and example 9 are all process static obs data with a static ...
ChangingtimeinCommonTImeclass
Question How do I update MoonPosition and SunPosition, in the example below, using CommonTime methods? The time and position are the same even though 900 seconds was ...
CheckSP3SatellitePosition
Question Hi. I am using the gpstk python binding for processing COSMIC radio occultation data. Unfortunately, the sp3 data for the COSMIC is often not covering a whole ...
ClosedUnanswered
Closed Unanswered Questions All SupportStatus categories:
CommonTimeObjectTimeSystem
Question I'm trying to run PRSolve in gpstk 2.5 but I'm getting an error in CommonTime. Here's the exception: CommonTime objects not in same time system, cannot be ...
CompilingExample5
Question Hi, I should first say that am a newbie with C and am running GPSTK under the cygwin environment. I was able to compile and run examples one to four. But ...
ComputingAzimuthElevation
Question Hello, I just want to ask if it is possible to use GPSTk for computing azimuth/elevation values from precise ephemerides files for a given position of a GPS ...
ContinuedSlantTEC
Question Hello again, Thank you so much for the explanation on the slant TEC. I tried to continue the questions under the original question but it did not work. I ...
ConversionSP3toRinexNav
Question Dear Professor I am Tom Weng, a master student whose major in astronautics and geodesy at Taiwan. I would like to ask for your assistant to answer or ...
ConversionToolCrash
Question mdp2rinex is crashing. I get something like this: "Got first obs Got first nav SF Error decoding obs 3" Any suggestions? Main.DennisCaceres 28 Oct ...
CorruptFieldData
Question I've been looking around the docs for GPStk and it seems like the tool for this is probably in here, i just can't figure out exactly which one/how to find ...
DDBaseAndRinexObservablesNeeded
Question When using DDBase we must include RINEX obs files for each station. RINEX obs files may contain different observables (i.e. C1,P1,L1,C2,P2,L2,etc.). By default ...
DDBaseAntennaHeight
Question Hi All does DDBase takes into account the antenne height as specified in the RINEX observation header? Tx/Alain Main.AlainMuls 06 Jan 2010 Answer Main ...
DDBaseCommandReferenceFile
Question Where can I find the file DDBaseCommandRef.pdf? Main.FredLawton 07 Nov 2008 Answer This file is only in the subversion repository. You should be able ...
DDBaseCrash
Question Hi, I'm running GPSTk 1.3 DDBase to determine carrier phase L1 double difference residuals. I have had success running DDBase with the following command line ...
DDBaseCrashesAtEditRawDataBuffers
Question Hi, I am using the precompiled version of DDBase for Windows. I try to run DDBase, but after successfully checking and reading the input files it crashes ...
DDBaseDDRFileOutEstimateDefinition
Question Hi again, I wishing to clarify the definition for the column 'Estimate' in the DDRFileOutput of DDBase. Estimate is the output from the DDBase LSQ estimation ...
DDBaseDocumentationAndProblem
Question I am new to GPStk. I am trying to measure differential carrier phase between two antennas which are, ideally, sub lambda apart. I envision two orthogonal ...
DDBaseDoubleDifferenceCalculation
Question Hi, I'm trying to obtain raw double difference carrier phase residuals from GPSTk using DDBase output. I'm having problems with residuals detailed within ...
DDBaseEditDDsDeleteDDdatasetTolsigxy
Question (Sorry, tolsigyx) Hi, I am having difficulty computing point estimates with a 3 hour set of data collected 9 meters from a CORS site on a rooftop. Two additional ...
DDBaseForLongBaseline
Question Hi, I use DDBase for long baseline, but its result 's diffirence from results of Trimble Geomatic Office. They are same only for short baseline. I think, ...
DDBaseMultipathremoval
Question Hi, I was wondering what methods are used to 'remove multipath' as indicated in Figure 1.1 of the DDBase flow chart. I have checked through much of the source ...
DDBaseMultipleStations
Question Hi All, I tried processing a station using 4 nearby reference stations. I created a configuration file stating the observation files for all (4 fixed 1 ...
DDBaseRDDRepeatability
Question Hi again, My final question (yes I hope!) is in relation to the repeatability of raw double difference carrier phase residuals for L1. This does not relate ...
DDBaseRDDoutputTerms
Question Hi, I was wondering if you could please confirm the definition of the column title 'DDER_m' within the RDD (raw double difference) output from DDBase.exe ...
DDBaseandMinDDSeg
Question I have managed to compile DDBase in Windows as a console application. I am unsure as to the function of the parameter MinDDSeg? I had to reduce the default ...
DDbaseMultipleReferenceStations
Question I have ten L1 GPS receivers recording at the same time and place for about an hour (generally a little more). I use basic active antennae, nothing related ...
DDvsPPP
Question Hello everyone! I am trying to run GPSTk to process some static GPS data that I have. However, I found quite a lot of method available for double different ...
DOPCalcApplication
Question Hi, I've been playing with the above app to try and get a handle on using GPSTk to do DOP Calculations for an app I need to develop and I am getting a number ...
DOPCalculationWithoutObsFile
Question Hi, I was wondering if there is any way to do DOP Calculations with GPSTk without an obs file. i.e. simply from an almanac file, a receiver position and ...
DdbaseCrashWithTwoFix
Question Hi! I'am trying to use ddbase to process 3 rinex file. If I fix ( fix 1) only one station I have no problem and good solution, but if I try to fix a second ...
DdbaseError
Question Hi I'm using DDbase to measure the local deformation of a glacier. This works fine for approximately 1/6 sets of GPS data (24 hour recordings from 2 receivers ...
DdbaseSourse
Question Hi!! I want to ask why the DDBase source code is not available. Main.StarsDust 01 Apr 2009 Answer The source code is available. Look in dev/apps/geomatics ...
DeleteComments
Question I used the commentpluggin in order to be able to add comments to the wiki page. Is there a way I can delete a comment without having to go to the code and ...
DgpsQuestion
Question Hi, I want do compute real time differential GPS solutions. It is for an outdoor robotic environment with small baselines ( Hi, I want do compute real time ...
DiscFixApp
Question Dear GPSTk, I used the DiscFix app for cycle slips detection and correction. I did not choose smoothing or debiasing options at all. The first several lines ...
DiscFixCommand
Question Dear gpstk team I have success install gpstk 1.5 under windows vista. I using cygwin to execute gpstk command. I have read the gps tool kit user guide. I ...
DiscFixInsufficientData
Question I'm using DiscFix to count cycle slips by examining the df.out files and looking for "BD" commands. While processing RINEX data from Continuously Operating ...
DiscFixMissingDecimalPlaces
Question I installed gpstk and ran the DiscFix command as DiscFix inputfile iisc0480.11o smooth dt 30.0 RinexFile dfiisc0480.11o DCWLFixMaxGap=3000 DCGFFixMaxGap ...
DiskFixNotDOutCommandAnymore
Question I want use d1,d2 information and c/a code ,but after the command DiscFix ,no the information any more in the 1.6 version.So could you give a version like ...
DispersionOfSolutions
Question Hi All, I'm trying to use GPSTk to solve solutions. I'm using SP3 orbits and the pseudoranges taken from a Sirf Star III configured to work in Sirf Binary ...
DoPCalc
Question Hi, I am just wondering why the latest release 2.10 does not have "DOPCalc". Thanks, Ha Main.HaDuong 16 Nov 2017 Answer
DopPrediction
Question What is the best way to calculate DOPs of next day using GPSTK? I thought about calcDops.exe. But I think it only calculates DOPs for current or previous ...
DopValues
Question hi, Im using DOPcalc and wanted to know what is the meaning of zero values in the report. thanx Main.HagiRonen 08 Oct 2009 Answer
EOPPdataFileLocation
Question I created a GPSTk static library from source, and i am attempting to use ReferenceFrames::ECEFPosVelToJ2k. Tracing through the code I see "mapMJD_EOP" is ...
EarthRotationrelativity
Question I have an urgent need to investigate the sp3ephemerisstore and the correctedephemerisrange classes to understand how gpstk corrects for earth rotation and ...
EphemerisStore
Question I created a SP3EphemerisStore object. The information of the first satellite at the first epoch is actually assigned to member pe 0 which has the sat_id ...
ExampleCaseResultNotMatch
Question Hello, I have run the example in 12 cases,case 1,2,3 should have the save result,but my solution is not.Following is tow epoch solution.It seems case 3's ...
ExampleNineCompilationProblems
Question I'm trying to compile example 9, I've added the src/ to my includes and the libraries geomatics, rxio, vplot, vdraw, procframe, and gpstk, but I'm still receiving ...
GNSSBaselineProcessing
Question Hello I want to process data from small network (8 unknown stations and 3 reference). Do I should use DDBase? As I see from documentation DDBase don't take ...
GPSTkWindowsStaticLib
Question I built a static library from the GPSTk source (following the directions under "BuildingGPSTkUnderWindows") using MS Visual C 2005 Express Edition. Now, ...
GPStkInstallationProblemWindows
Question Greetings. I'm starting a project using GPStk, but I'm having a problem with the installation. I was following the "Building under" guide but it was unsuccessful ...
GPSusingMatlab
Question Hi. I'm looking for a gps that uses matlab. i don't know what type of gps i suppose to use also i don't have Matlab code that can read data from gps. Please ...
GSPToolkitandRinexClockfiles
Question Fellow GPSToolkit users, I'm a Ph.D students and I'm interested about the fault detection applied to Atomic Clocks used in GPS satellites. Can the GPSTk analyze ...
GettingIODEfromRinex
Question Hello! This is probably a simple question, but I couldn't figure out how to do it through looking at the documentation. How do you grab just the IODE from ...
GpsAcquisitionAndTracking
Question GPS : acquisition, code and carrier tracking hello I'm a student in professional training and I work on the GPS. I read differents documents about the GPS ...
GpstkInstallation
Question Dear all, i was trying to install gpstk as per the given instructions however i could not do. plz tell me stepwise how will install gpstk in linux ? param ...
GpstkandVTEC
Question Dear Sir, I am trying to calculate VTEC. From the material I can find here I have to you ResCor which have been removed in the last versions. What are the ...
HeaderFileInstallationPrefix
Question Hi, In versions up to 2.3, all header files were installed in include/gpstk. However, in version 2.4, all header files seem to be installed in include/ (without ...
HelpWithKinematicRover
Question Hello everybody! I'm using FLTK and GPSTk to make an application to process DGPS data, based on "example9.cpp". The difference is that I want to process data ...
HowCouldSolverGeneralSolverThis
Question Hi, I have been trying to use class SolverGeneral to handle a practical problem. For short, I have to solve an equation system like: y1=x1 x2 y2=2*x1 3 ...
HowToBuildGPSTKUnderVS2008
Question Hello Community Today I wanted to build Win32 console project for example1.cpp under VS2008 envrionment without JAM utility. I followed the steps described ...
HowToBuildNewFile
Question Hi, I add two new files being similar to CodeSmoother to lib/procframe. But the two files can not be built when I build the GPSTk under unix. Can you ...
HowToChangeTheCutoffAngle
Question Hi all, is there a way to change the predetermined cutoff angle in rinex observation file with GPS toolkit? If yes, could you help me to do that? thanks ...
HowToConvertIPPCoordinatesToLocalTim
Question Hi guys! I am just starting to use GPSTk for TEC calculations and I came across a question for which I do not have an answer and which I would like to let ...
HowToConvertRawToRinex
Question Hello everyone! My name is Marten Vohrmann,i am a student of Electrical Engineering at the University of Paderborn. Our aim is to develop a Software GPS which ...
HowToDoKinematicPPP
Question My question is simple, but maybe diffcult either. How to adapt example 9 to process real kinematic GPS observations? Main.WongM 05 Jul 2013 Answer Hello ...
HowToDoSingleFrequencyPPP
Question Hi, GPSTk users/developers! I've read Octavian Andrei's artical "Ionosphere effect mitigation for single frequency precise point positioning". And I want ...
HowToExtractCycleSlipInfoFromDiscFix
Question 1. I am at a disadvantage because I am unfamiliar with C or object oriented code. I have experience with MatLab, FORTRAN, and other procedural languages ...
HowToFixRinexDataGpsGAPS
Question Dear GPSTk, We are in a big trouble because in a photogrammetric mission something happened with GPS data from the plane and we have a gaps of 10 15 seconds ...
HowToGenerateTECMaps
Question I tried to use the TECMaps command to generate TEC Map from gps observation file which fails.How can i preprocess the files to get input files containing ...
HowToInstallOnWindowsddPlot
Question When I install the GPSTk1.5 there are two .exe files that do not install: ordPlot and ddPlot. ddGen is crashing on me and I think it's because of these two ...
HowToManageclassIndex
Question Hi there! There is a class variable as 'classIndex' for every class derived from 'ProcessingClass', and it is initialized with a const value. I believe we ...
HowToManegeMyOwnProgramWithGPStk
Question Hi all: I'm a newer to gpstk and now I have successfully built it under MSVC2008 in windows with the help of the document on the web under jam. Now ...
HowToRINEXtoRawEphemeris
Question I would like to generate the raw navigation subframes from RINEX files. I have code that reads in a current RINEX file but would like to build subframes 1 ...
HowToSolveGLONASSNavData
Question Hi, How to Solve GLONASS NAVMESS DATA(RINEX, like *.**G) using the app "Prsolve"? Main.JetLee 20 Jan 2008 Answer Here is the PRSolve configuration: ...
HowToUseAppsIonosphere
Question I have just started using the GPSTk software. I was trying examples in apps/ionosphere directory. I followed the README. I am not able to get TEC maps. Some ...
HowToUseGPSTKTofindslatTEC
Question i want to find GPSTK to found slat TEC but i dont know how to use it ? please tell me what kind of command to do it thank you!! Main.StanLin 16 Sep 2008 ...
HowToUseIonoCorrectionAndGlonassSats
Question Hello, I've got a GNSS (GPS Glonass SBAS) sensor on a UAV and I would like to build its trajectory after the flight, using raw data. I transform raw data ...
HowToUseSolverGeneral
Question Hi,Dago I'm trying to do PPP with SolverGeneral based on example, but I can't get expect result. Here is my codes to setup the equation system and solver ...
HowtoNationalEllipsoid
Question Hi I want to use the Position class to transform between cartesian and geodetic coordinates on the Belgian ellipsoid. This ellipsoid (International 1927) ...
HowtodownloadAPIreference
Question Dear all, I am trying to undertand GPSTK. but unfortunately it is not convenient for me to access website. Hence, I hope have an off line version of GPSTK ...
HowtouseTECMaps
Question Hello there, I am using GPSTk on SUSE LINUX. I have been trying to learn the applications of the GPSTk for the past few days. I am a bit confused with the ...
IGSvsNGASp3rapid
Question Hi, I encountered an interesting problem with rapid SP3 ephemeris data in my current setup. IGS doesn't work (GPSTk prints 'no ephemeris found' for each sv ...
ImportOrStreamRawGPSData
Question Hello all! My question is about what app I need to use to import (and if possible stream) raw satellite timing data from a hand held single frequency gps ...
IncompleteTarExtraction
Question I am attempting to build gpstk 1.2 from source under MacOSX. So far, I had to tweak a few things here and there (there seem to be a few assumptions that ...
InertialData
Question Hello. I whant to use inertial data (accelerometer, gyroscope) in PPP. Maybe anyone had implemented it? I suppose it is nessesary to add corresponding variables ...
InstallGPSTKunderLinux
Question Dear Sir: I try to install GPSTK under the environment of Linux, when I get to step 4 ./autogen.sh warnings as following: /usr/share/aclocal/smpeg ...
InstallGPSTkOSX
Question Hi all, when i build and install GPSTk in Mac OS X using both cmake terminal and Xcode IDE, the process fails with the below problem: gpstk/lib/Geomatics ...
InstallGPSTkPythonBindings
Question Dear All, The following link http://www.gpstk.org/pythondoc/build.html deals with GPStk python installation. I went through all contain but I couldn #8217 ...
InstallGpsTK
Question Hellos guys: My name is David Monroy Machado, i'm Geodest engineer, i develop a application with this library. Now i can't to install this library, my OS ...
InstallProblem
Question Hi, I was trying to install gpstk under cygwin. After issuing make command it gives me following msg and got stuck Please help me out. Regards mmc make 2 ...
InstallingGPSTkUnderMacOSX
Question How does one install GPSTK under Mac OSX on a G4 running Mac OS 10.4.8 using jam? I've attempted to install GPSTk v. 1.2 on a Mac G4 running Mac OS ver. 10 ...
InstallissuesGPStk
Question I have been trying to install the gpstk 1.7 win 32 using visual studio 2010 as the compiler, installation of regular expression goes flawless, change the ...
IntegratingGpstkWithNetbeans
Question I have tried several days to install gpstk and run the examples out of Netbeans. My goal is to set a breakpoint and hit it. Netbeans can't find any of the ...
InterfrequencyBias
Question Sir, I am trying to find out total electron content (TEC) from rinex data using GPSTk. I used DiscFix to remove cycle slips. I am using the latest version ...
IntroductiontoDDBase
Question Dear all, I'm new to gpstk and am wanting to perform dGPS analysis on two observation files I have (1 reference, 1 roving). Is there anything such as an ...
IonoInterceptLocation
Question In ResCor, the calculation for "Lat Iono Intercept" (LA) and "Lon Iono Intercept" (LO) appears to presume a ground based receiver, without regard for the ...
IonobiasLeastSquaresFailed
Question The Ionobias software is giving me an error that I can't seem to solve. The error is "Least squares failed because the problem is singular" and appears near ...
IonoinordGen
Question Hi there! Does ordGen apply any ionospheric correction when using omode=c1? If yes, is it possible to deactivate it? Thanks! Main.RicardoPiriz 13 Jul ...
IonosphericCorrection
Question I am processing GPS measurements for a missile application from a C/A code GPS receiver in post mission. The missile travels through the ionosphere. Is ...
IsGPSTkRightForMyApplication
Question I'm currently updating an existing application written from scratch to support GPS messaging. It uses the GSSIP format for ICD GPS 153C/Y Code messages. We ...
IssueforSimplePRSolution
Question SimplePRSolution.cpp In line 219: if(Nsvs dim) return 3; Shouldn't it be if (Nsvs 4 ) return 3; For a positionFix to be valid, minimum 4 satellites ...
LinuxMakeFailureNoSuchFile
Question Hello: I tried building GPSTK under Linux (2.6.38 ARCH). JAM didn't work had a lot of errors. I tried the ./autogen.sh, ./configure, make method and all ...
LookingforPhDresearchpoint
Question Hi, My first degree was in computer science and my master's degree was in information technology. I'm interested in doing my Phd in GPSTk. Can anyone help ...
LossOfLockIndicatorR3VsR2
Question When writing out RINEX3 content in RINEX2 format, the input loss of lock indicator (LLI) should be added decimal 4 before outputting it, in case the observation ...
MSVCLinkingErrors
Question Hi, I downloaded gpstk src.tar.gz and Example1.cpp. Then followed instructions as given for building it as an MSVC project. I removed RinexConverter.cpp. ...
MatlabcodeforHVARandAVARcalc
Question I recently came across your "The GPS Tookit Open Source Clock Tools." I am performing frequency metrology on microresonators for sensing applications, such ...
MatrixAndVector
Question Hi,all My question is about the Vector operator " ". Here is a pice of simple code: Vector v1(3,1.0); // vector 1 1 1 Vector v2(3,0.0); Matrix m1(3 ...
MatrixOperatorSmallAndMSVS
Question I'm using gpstk as a library in an MSVS 2010 project. This project includes the notorious rpcndr.h which has this line: #define small char Unfortunately ...
MaxRedifinition
Question I was looking at GPStk stringutils. There's an issue there with: "std::numeric_limits::max());" Apparently if you include windows.h it defines "max" in ...
MergeForumWebIntoAskedQuestions
Question could you please compare and contrast the two? thx. Main.FelipeNievinski 17 Oct 2013 Answer Hello Felipe, A plan to merge the forum into asked questions ...
MergeRinErrorInWindows7
Question When merging RINEX files, mergeRinObs.exe and mergeRinNav.exe programs encounter an unspecified error, resulting in a separate message windows that reports ...
NavigationFiles
Question Hello, For a project, I want to connect my tracking(that has Inphase and Qphase early, prompt nd late signal, and PLL and DLL coefficients) with GPSTk's ...
NegativeSlantTEC
Question I noticed that I get negative TEC values on some IGS stations when I convert the pseudoranges into slant TEC using simple formula sTEC = 2.852*(P2 C1)/speed ...
NewLeapsecond
Question Hello, Are you planning on releasing a new version of gpstk that incorporates the most recent leapsecond? http://www.ietf.org/timezones/data/leap seconds ...
NominalPosition
Question Hi All, I see in the pppconfig file that a Nominal Position is marked. And this position is close, but not the same as the Approx position in the RINEX file ...
NonIntegerMeasurementEpochs
Question Hi, I have phase and pseudorange measurements that are made at times that are as much as 32 millisec different than the integer second (and successive measurements ...
NotvalidWin32application
Question Hello I have install GPS Toolkit using installation file downloaded from SourceForge "gpstk 2.2.win32". When I want to use programs I get error massage "DiscFix ...
NovaRinexLockTime
Question Hi Just a wish for next revision, referring to the utility NovaRinex. It would be great to somehow export the Novatel field "Lock Time" from the OBS, together ...
OfferNewStatusForFeatureRequests
Question Currently there are several questions that remain open despite having been answered because they are actually feature requests. So how about having the support ...
OneToolForWindowsUser
Question Hi,All There are no updates on the site and sourcecode for days, so I'd like to share this tool with windows's user of gpstk. This tool is useful for users ...
OnequestionaboutDDBase
Question As I know, many of the commercial software solve GPS net in a manner of solve indepent baseline first and the adjust with misclosure, like LGO and TGO. But ...
OrbitOutputForGlonassAndBeidou
Question Hello, I run some orbit simulations, where the results should be written to an SP3 file using gpstk::SP3data() and gpstk::SP3stream(). For the generation ...
OrdGenBugs
Question I'm using ordGen to evaluate observed range differences for my receiver, and I'm running into some problems for any other recevier than the Trimble NETRS ...
PPPwithC1
Question Hello! I whant to realize PPP technique whith C1 data only. I did next: ... RequireObservables requireObs(TypeID::C1); requireObs.addRequiredType(TypeID: ...
PRSolveError
Question When I try to use PRSolve, I get the following problem: PRSolve o 54402330.08o n 54402330.08n PRSolve, part of the GPS ToolKit, Ver2.1 5/07 run2008/10/15 ...
PRSolveGalileoDualFreqSolution
Question Hello, what is the PRsolve solution descriptor for calculation of the Galileo dual frequency solution based on E1 and E5a signals, please? GAL:15:AI ends ...
PRSolveIssues
Question Hello, I am attempting to use PRSolve to determine ECEF coordinates from RINEX files. The command line I entered, and the results are as follows: C:\GPS ...
PRSolveandKlobucharCoefficients
Question Does anyone know if PRSolve applies the Klobuchar coefficients using either sp3 or broadcast orbits? I know Klobuchar coefficients are in the navigation file ...
PathAlterationToReachDestination
Question Hi All, First of all, i don't know a lot of GPS and the technology behind it, so I would like to make abstraction of this. I have folleowing goals I would ...
PhaseDiscontinuityDetection
Question I found this article http://www.gpstk.org/pub/Documentation/GPSTkPublications/ION GNSS 2004 paper.pdf which breifly touches on the phase discontinuity detection ...
PointUsersToAlternativeList
Question In the interest of saving you time, you may consider posting in the GPSTk support page a link to the FOSS GPS email list ("Open Source GPS related discussion ...
PoscvtFileWithSeveralCoordinates
Question Hello, I've run PRSolve, which gives me a file with several ECEF coordinates. Now I'd like to convert these coordinates to lat/long/h. Unfortunately I am ...
PositionAppWithAccuracy
Question Do any of the position calculation applications ouput an accuracy for each epoch? If not, does anyone know of another way? Main.DominicFuller 02 Apr 2009 ...
PositionEngine
Question Hello, I want to know which cpp file gives me the receiver position computation in the src file? Is it PRSolve.cpp??.... Actually I want to know the pgm that ...
PrecisePointPositioning
Question Dear Dago: I try to do a weighed precise point positioning process,and a "ComputeMOPSWeights" object ("mops") was declared to caculate weight ,and here is ...
PrefitResidualOfLC
Question Hi Dago! The following is the code of 'LinearCombinations' to get prefit residual of LC: // Definition to compute prefit residual of LC ...
PreprocessingUsingDiscFixApp
Question Dear GPSTk, I am a ph.d student from University of New South Wales. Now I am using GPSTk tools for my research work. I want to preprocess my RINEX files ...
ProbleWithModelObsObject
Question Dear colleagues, Hello to all of You. I getting started with the GPSTk package, but I have encountered a problem at the beginning. I have tried to follow ...
ProblemLoadingRinex3ObsFile
Question I try to load a RINEX 3.02 file with the Python GPSTk using the function readRinex3Obs(filename). The observation file is from the EUREF station network ...
r2 - 02 Dec 2015 - 11:16 by JonathanWache
ProblemOfBuildingGPSTk
Question Hello every, I`m a fresh to the GPSTk. Recently #65292;I was trying to build GPSTk without jam using the example1 under VS 2008. The receipt for using GPSTk ...
ProblemWithDDBase
Question I have three observation files and an nav file I obtained directly from NASA's site. When I use the teqc utility to check the format of my files, it does ...
ProblemWithNamespaceGpstk
Question Hi, When i complete installing gpstk using jam then i try to compile example1.cpp (file example in exampls folder) and i get error: example1.cpp:26:23: error ...
ProblemWithgetObsIndex
Question Dear sirs/madams I am very new with gpstk and have started to learn with examples Unfortunately I get stuck at the very begining example3 is not working ...
ProblemsBuildingPythonBindings
Question I'm trying to build the python bindings (have downloaded and installed the gpstk 2.2.win64.exe and unzipped gpstk 2.2.src.tar.gz) i run python setup.py instal ...
ProblemswithclassUTCTime
Question Hi everyone, Wow, what a great software package. I am using the SatOrbitPropagator class in geodyn, which I checked out of SVN dev, rev 3332. I am experiencing ...
PythonBindings
Question It seems that there was no activity for quite a long time in development of GPSTk bindings to Python and other languages. The latest version of Python bindings ...
PythonBindingsInWindows
Question Hi, I'm keen to use the Python bindings in Windows. I've had a look at building the bindings using script_gpstk, but I'm having some difficulty, and feel ...
QuestionAboutRinexObsDataAndGLONASS
Question Hello. I want to read RINEX file (GLONASS) and and write data to a structure for GLONASS. I have a problem because I did't find struct GLONASS. Please tell ...
QuestionAboutTropsphereWithPPP
Question Hi,Dago, I have several questions about PPP, and I need you help. 1. In the PPP example 8(or example 9) you provided , we try to estimate the wet part of ...
RINEX3NavGLONASSMixedToSP3
Question Hi, My goal is to convert RINEX3 Navigation files with mixed types of observations (GPS,GLO,GAL) into SP3 format. I downloaded GPSTk on Windows (pre compiled ...
RINEXobstypesrequiredbyPRSolve
Question PRSolve requires an observation and a navigation file. However, the observation file can contain variuos RINEX observation types like L1, C1, P2, etc. What ...
RaimAvailability
Question Hello everyone, I have a question that is probably quite easy, for the more experienced of you, to answer. How can I calculate if the RAIM (FDE) is available ...
ReceivingDataUsingUSBPort
Question Hello, I am using a GPS receiver by Holux (GR 213) which connects to PC through a USB port. Does GPSTK support communication through USB port. I have seen ...
ReferenceOfRAIM
Question Hi, All I need this reference paper, Please! A Baseline GPS RAIM Scheme and a Note on the Equivalence of Three RAIM Methods," by R. Grover Brown, Journal ...
RegexC
Question After installing PCRE from http://sourceforge.net/project/showfiles.php?group_id=23617 package_id=26189 release_id=498569 i can't find regex.c anywhere(see ...
RelCand2dot0Example8NotRunning
Question Hello all, I am trying to run example8, which I can properly compile with the GPSTk RC2.0 suite in both Linux and cygwin, but I can't get any good result ...
RemovingPositionError
Question Hi, while the vehicle stops, I am getting small movement. I think this is due to the GPS error. Is there any way to remove from this? Main.SerhatBaydar ...
ResCorAppinIonosphere
Question Hi all! Although I checked my navigation gps file a few times, I got same error while running ResCorApp in the ionosphere example. This is the error that ...
ResCorErrorOutputOTELRequiresMissingInputPS
Question I tried to create a TEC plot using an obs/nav file collected at a site in the Antarctic. I used the commands: ResCor IFbela3330.07o OF/tmp/er2bela3330.07o ...
ResCorephemerisproblem
Question Hello! I'm trying to use "ResCor" to calculate VTEC. The problem is it returns all zero values in all the calculations which require ephemeris VP, VR, SX ...
ResultEpoch
Question I noticed that in example 7 and example 10, the epoch of the result epoch is every 2 epoch while original observation data is every 1 epoch. How to set epoch ...
ReszillaunderWindows
Question Dear Everyone, looking at the User's Guide I noticed that reszilla will be able to compute Cycle Slips in a RINEX File. Since I want to visualize them, this ...
RinexConvertor
Question Is there any tool to do the reverse conversion R3 R2.x? If so, could you point me to? Thanks, Octavian Main.OctavianAndrei 30 Nov 2009 Answer Octavian ...
RinexObsData
Question Hello, as can i stored the second in the RinexObsData list type?, and after i see it. Main.DavidMonroyMachado 07 Oct 2007 Answer I don't understand ...
RinexObsDataClassReference
Question Hey, I'm using RinexObsData class in my school project, and I'm getting a very large difference in calculating the same rinex file than what I receive for ...
RinexThreeReader
Question Hi folks, first, thank you for this great tool! I want to use the RINEX3 reader and tried Rinex3Dump.cpp in rev. 2457, but the code seems to read the header ...
RinexpvtError
Question When i use rinexpvt, the output goes to the file smootherdebug.txt(not the console) and not produced the expected results. Main.JavierSanchez 23 Jan 2009 ...
RmsQuality
Question Please let me know the format of the output from PRSolve and rinexpvt. Main.BishnuPhuyal 05 Jul 2011 Answer Run PRSolve without arguments and it will ...
RomoveCycleSlip
Question Dear GPSTk. I have RINEX data with 15 second resolution. When I perform DiscFix ( as example answered question from Ms.Cassandra Mendonca). ./DiscFix inputfile ...
RunningDDBase
Question I downloaded GPSTk yesterday (for windows) and am trying to run DDBase on some static GPS data that I have (Leica). I can't get it it run and encounter parsing ...
SFBugTrackerClosedToPublic
Question Just checking if this is the intended behavior. Thanks. Main.FelipeNievinski 07 Aug 2013 Answer Which portion of the bug tracker are you referring to ...
ScriptGpstk
Question Who can answer why the build of gpstk 2.5.src ./script_gpstk.sh c d t v r ~/dev s ~/build always can not complete by hanging at Test Project #25 Start ...
SegmentationFault
Question Hi all, I'm running a Linux 3.2.0 37 machine and I have built the source code (v2.2 release) with cmake version 2.8.7 gcc version 4.6.3 When I execute some ...
SettingCorectEpochforRinexdata
Question Hi, Im doing some work for a group looking at Ionospheric effects on GPS signals at the equator. At the moment I have both Novatel OEM3 and OEM4 receivers ...
SkipUnknownObsTypes
Question The RINEX 3 spec says: "It is a good practice for a program reading RINEX files to make sure that it properly deals with unknown observation types, header ...
SlantTEC
Question Hello, I am a graduate student at the University of New Mexico doing research into the ionosphere. I am an Electrical Engineer and so I have never worked ...
SmoothinginDiscFix
Question Hi there! The code smoothing in DiscFix is done using the phase measurements? Thanks. Main.RicardoPiriz 13 Jul 2009 Answer Yes, but its not really "smoothing ...
SnrAndLliFlags
Question Is it possible to get the SNR and LLI flags out of RinDump if they are present? If it comes as part of the observable such as with 1111.22204 I can take ...
SoftwareBuild
Question Please help anyone. I want to use the ddGen function but don't have test data. Where and how can I get any sample data? Also, I think MDPTools is not installing ...
SolarMaximumInAntarctica
Question Hello! I am leading a scientific project to evaluate the influence of the 24th Solar Maximum on GNSS measurements in polar regions. For that purpose I participated ...
SolverPPPError
Question Hi, I have following error when process COCO station using PPP method (example9) with day 273 2009. Starting processing for station: 'COCO'. Exception for ...
SomeTrivalProblem
Question Hi, Developers Here are some trival problem about the codes: 1) about "struct timeval" The struct are defined in both "DayTime.hpp" and "UnixTime.hpp ...
SourcesForUsersGuide
Question The User's Guide webpage: states that: "A download of the latest stable release of the GPSTk source code will already contain the source for the manual under ...
StdLibraryVersionConflict
Question Hi. 64 bit Linux system. I dloaded the stable tarball of libraries for x86_64. Attempting to link to them produces a stream of undefined reference errors ...
SupportForm
Name:* *Type: Size: Values: Tooltip message: SupportStatus select 1 Select one..., AskedQuestions, AnsweredQuestions, ClosedUnanswered Classify a ...
SupportQZSSRINEX
Question This is a feature request (not bug report). JAXA has proposed a RINEX extension extending support to QZSS data. For example, the "J" GNSS designation. ...
SupportTestingTopic
Question This is a test of the support web application. Main.AdminRickMach 15 Dec 2006 Answer This is to test changing the state of the topic and closing it. ...
SupportTopicEditTemplate
%NOP{ * Note: Do not edit this topic, ask a question in Documentation.AskedQuestions * Set ALLOWTOPICCHANGE = Main.TWikiAdminGroup }% Question Answer
TECMapsandResCor
Question TECMaps reads RINEX files containing extended observation types (per gpstk User's Guide), and these extended RINEX files are created by program ResCor (also ...
TIMECONVERT
Question Does anybody know which is the optional argument to generate an output file of the result of timeconvert? I.e. timeconvert R "2013 01 11" option to generate ...
TecMaps
Question Hello, What do the values for begining lattitude=21 and begining longtitde=230E mean (when inputing grid option args for Tecmaps)?What will be happened if ...
TestError
Question After building GPStk using jam, we tried to test one of the examples using the command: root@localhost examples $g o example I/usr/local/gpstk/dev/src ...
TestTheBuild
Question Hello, I want to test the Build and in this website i could only find instructions for those who use unix. Since I am doing it under windows, Please tell ...
ThreadSafety
Question Hi, I was wondering if the GPSTk library is thread safe or does the calling application need to handle all threading issues? TIA, Calum Main.CalumMacLean ...
TimeconvertOutputFormatDocumentation
Question Would it be possible to get a little more detail, or cross references, for the time format codes for F on TimeconvertManual ? From the h flag and the wiki ...
ToBuildGpstk
Question Hello, I installed jam.exe and VC express edition. In building under windows the GPSTk.org site says that i have to open the command prompt and give the ...
TropoinPRSolve
Question Hi there! Is is possible to deactivate the tropo correction in PRSolve? Thanks! Main.RicardoPiriz 13 Jul 2009 Answer Yes I believe so. I've not tried ...
TryJamUnderWindows
Question Hi,all I'm stucked in building a simplest cpp file with jam. Here is my cpp file: #include using namespace std; int main(int argc,char* argv ) { cout Here ...
TypeIdWithRinex3
Question Dear GPSTK, is there a plan to extend the TypeID class with Rinex3 Observation codes (e.g. C1C, C1W...) to facilitate the use of Rinex3 data in the Processing ...
UndefinedMacrosUsingMacOSX
Question How does one correct undefined macro, AC_PROG_LIBTOOL under Mac OSX? I'm attempting to install GPSTk 1.2 under Mac OSX, version 10.4.8 on a Mac G4. In following ...
UpdatingUsersGuideWebPage
Question I wanted to contribute an update for either or I looked at the sources and found Wikify.pl, "designed to automate capture and Twiki markup of GPSTk application ...
UseGPSTkWithBorlandCppBuilder
Question Hello, Would it be possible to build and run GPSTk applications using Borland c builder? thanks in advance! Main.MichaLionne 30 Mar 2009 Answer I would ...
UsingSP3toRinexNav
Question Hi, i want to convert the sp3 data to RINEX navugation data. So I think the application sp32bc can do this. I have downloaded the gpstk 1.7.win32.exe from ...
VisualStudio2008LinkBuildError
Question Hello Community Today I was trying to build the library and run example1.cpp using VS2008 without JAM utility. I followed all the steps that was mentioned ...
WebHome
What is GPSTk? The goal of the GPSTk project is to provide an open source library and suite of applications to the satellite navigation community to free researchers ...
WebPreferences
Documentation Web Preferences The following settings are web preferences of the Documentation web. These preferences overwrite the site level preferences in . ...
WhatGPSTkAppsShouldBeBuilt
Question How do you determine what applications should be built in the GPSTk? Main.RickMach 06 Sep 2007 Answer From Main.BenHarris: After some experimenting I ...
WhatIsError
Question I have a TestTime.cpp /* test time.cpp */ // Testing time management #include #include #include "./gpstk/DayTime.hpp" using namespace std; using namespace ...
WhereSat
Question hi,please help! I'm trying to generate GPS satellite orbits via wheresat using sp3 or Rinex files but it seems that the program doesn't recognize the start ...
WhereSatusingSp3
Question Hello There, I was trying to obtain elevation and azimuth values using wheresat and igs*.sp3 file. What I got was values from 01:00:00 to 23:00:00 of that ...
WhereisRegex
Question I am attempting to build using VS 2008 but i can't find regex.c anywhere. "no such file". Im probably just making a stupid mistake ... Main.DominicFuller ...
WheresatNotWorkingForAugust
Question Is this a known bug? Whenever I try to wheresat a file using a start date in july, it works (although it makes things fairly useless), but as soon as I make ...
WheresatRangeAlgorothm
Question Does anybody knows which algorithm wheresat GPSTK function uses to calculate range, when we give the antena position. Main.ErlyLima 10 Nov 2013 Answer ...
WideLaneBiase
Question Hi: Would you please describe to me what is the term wide lane biase means in RDD file. Is it the residuals of wide lane combination in code. Also, I'm working ...
WindowsLibraryLicense
Question Hello! GPSTk is under LGPL and it means that it must be dynamic linked with program. Under Windows, this library builds like *.lib (static, but I can't inherit ...
WrongIonobiasResults
Question Hi; I'm Iván, a student from Spain, Now im trying to use the GPSTk apps to obtain TEC maps over Europe. I have used DiscFix and ResCor to preprocess the RINEX ...
WxObsMap
Question The constructor: WxObservation(const DayTime t, double temp, double pres, double humid) takes parameters of 'double' type even if its members are declared ...
ZenithWetDelayWithGPSTk
Question Hi, Is there a direct processing route that should be undertaken with GPSTk to extract purely zenith wet delay (ZWD) values? Zenith total delay would also ...
Number of topics: 260
 
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