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Questions Asked but Not Yet Answered

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imgAskedQuestions.gif RinexpvtError r4 - 09 Mar 2009 - 12:25 RickMach
Question When i use rinexpvt, the output goes to the file smootherdebug.txt(not the console) and not produced the expected results. JavierSanchez 23 Jan 2009 ...
imgAskedQuestions.gif DopValues r1 - 08 Oct 2009 - 13:29 HagiRonen
Question hi, Im using DOPcalc and wanted to know what is the meaning of zero values in the report. thanx HagiRonen 08 Oct 2009 Answer
imgAskedQuestions.gif RomoveCycleSlip r1 - 18 Nov 2009 - 03:24 AsnawiHusin
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 ...
imgAskedQuestions.gif DDBaseMultipleStations r4 - 08 Jan 2010 - 14:35 RickMach
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 ...
imgAskedQuestions.gif DopPrediction r2 - 12 Mar 2010 - 09:22 YanWei
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 ...
imgAskedQuestions.gif StdLibraryVersionConflict r1 - 13 Mar 2010 - 01:25 ChrisMetzler
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 ...
imgAskedQuestions.gif SlantTEC r6 - 23 Mar 2010 - 16:15 YanWei
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 ...
imgAskedQuestions.gif DDbaseMultipleReferenceStations r2 - 06 Jun 2010 - 12:11 NguyenVanNguyen
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 ...
imgAskedQuestions.gif InstallGpsTK r1 - 10 Jul 2010 - 17:51 DavidMonroyMachado
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 ...
imgAskedQuestions.gif ExampleNineCompilationProblems r4 - 12 Oct 2010 - 18:00 JeffKarle
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 ...
imgAskedQuestions.gif HowToConvertIPPCoordinatesToLocalTim r3 - 27 Oct 2010 - 10:13 ManuelSilva
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 ...
imgAskedQuestions.gif DdbaseCrashWithTwoFix r9 - 10 Nov 2010 - 14:44 ErnestoRonci
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 ...
imgAskedQuestions.gif ProblemWithNamespaceGpstk r2 - 07 Mar 2011 - 22:42 SusanCummins
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 ...
imgAskedQuestions.gif AboutSatArcMarkerClass r1 - 18 Mar 2011 - 06:58 AndreyPodkorytov
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 ...
imgAskedQuestions.gif BuildingunderlinuxusingGNUmake r2 - 28 Mar 2011 - 16:04 BenHarris
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 ...
imgAskedQuestions.gif BuildinginMSYS r2 - 23 May 2011 - 16:06 SusanCummins
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 ...
imgAskedQuestions.gif CompilingExample5 r7 - 30 Jun 2011 - 21:36 SusanCummins
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 ...
imgAskedQuestions.gif ComputingAzimuthElevation r5 - 18 Oct 2011 - 13:48 SusanCummins
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 ...
imgAskedQuestions.gif HowToGenerateTECMaps r4 - 06 Dec 2011 - 15:27 SampadKumarPanda
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 ...
imgAskedQuestions.gif UsingSP3toRinexNav r4 - 08 Dec 2011 - 09:56 LiZhang
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 ...
imgAskedQuestions.gif TecMaps r10 - 10 Dec 2011 - 20:10 PhamHoangLong
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 ...
imgAskedQuestions.gif DiscFixMissingDecimalPlaces r1 - 15 Dec 2011 - 15:17 RickMach
Question I installed gpstk and ran the DiscFix command as DiscFix inputfile iisc0480.11o smooth dt 30.0 RinexFile dfiisc0480.11o DCWLFixMaxGap 3000 DCGFFixMaxGap ...
imgAskedQuestions.gif LookingforPhDresearchpoint r1 - 28 Jan 2012 - 15:02 ElhadiSalah
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 ...
imgAskedQuestions.gif HowToBuildNewFile r1 - 24 Feb 2012 - 01:43 SunXuehua
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 ...
imgAskedQuestions.gif GPSusingMatlab r2 - 02 Mar 2012 - 22:36 SusanCummins
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 ...
imgAskedQuestions.gif DOPCalcApplication r6 - 05 Mar 2012 - 14:05 CalumMacLean
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 ...
imgAskedQuestions.gif DOPCalculationWithoutObsFile r3 - 13 Mar 2012 - 16:44 CalumMacLean
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 ...
imgAskedQuestions.gif ExampleCaseResultNotMatch r2 - 27 Mar 2012 - 20:15 SusanCummins
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 ...
imgAskedQuestions.gif CalcPR r1 - 12 Jul 2012 - 20:40 TimShands
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 ...
imgAskedQuestions.gif IssueforSimplePRSolution r1 - 22 Aug 2012 - 09:07 MelvinAng
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 ...
imgAskedQuestions.gif MergeRinErrorInWindows7 r5 - 29 Aug 2012 - 19:12 SusanCummins
Question When merging RINEX files, mergeRinObs.exe and mergeRinNav.exe programs encounter an unspecified error, resulting in a separate message windows that reports ...
imgAskedQuestions.gif QuestionAboutRinexObsDataAndGLONASS r1 - 15 Oct 2012 - 02:24 AntonKurnosov
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 ...
imgAskedQuestions.gif ProblemOfBuildingGPSTk r1 - 04 Dec 2012 - 06:00 BinWang
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 ...
imgAskedQuestions.gif MSVCLinkingErrors r1 - 09 Jan 2013 - 11:00 RmNair
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. ...
imgAskedQuestions.gif OrbitOutputForGlonassAndBeidou r1 - 21 Feb 2013 - 09:08 StefanJunker
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 ...
imgAskedQuestions.gif ResultEpoch r4 - 17 Apr 2013 - 14:00 BryanParsons
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 ...
imgAskedQuestions.gif SolarMaximumInAntarctica r3 - 17 Apr 2013 - 14:01 BryanParsons
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 ...
imgAskedQuestions.gif DiscFixApp r4 - 17 Apr 2013 - 17:14 BryanParsons
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 ...
imgAskedQuestions.gif HowToFixRinexDataGpsGAPS r2 - 15 May 2013 - 14:03 BryanParsons
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 ...
imgAskedQuestions.gif BuildingTKunderMSVS2010 r7 - 28 Jun 2013 - 15:27 BryanParsons
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 ...
imgAskedQuestions.gif IonobiasLeastSquaresFailed r2 - 06 Aug 2013 - 21:11 BryanParsons
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 ...
imgAskedQuestions.gif WrongIonobiasResults r2 - 06 Aug 2013 - 21:20 BryanParsons
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 ...
imgAskedQuestions.gif SkipUnknownObsTypes r2 - 09 Aug 2013 - 16:01 BryanParsons
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 ...
imgAskedQuestions.gif SupportQZSSRINEX r2 - 09 Aug 2013 - 16:16 BryanParsons
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. ...
imgAskedQuestions.gif HowToDoKinematicPPP r3 - 20 Aug 2013 - 09:43 WongM
Question My question is simple, but maybe diffcult either. How to adapt example 9 to process real kinematic GPS observations? WongM 05 Jul 2013 Answer Hello ...
imgAskedQuestions.gif DDBaseDocumentationAndProblem r2 - 02 Oct 2013 - 18:33 BryanParsons
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 ...
imgAskedQuestions.gif ProblemWithDDBase r1 - 07 Oct 2013 - 22:03 ThomasJaeeckle
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 ...
imgAskedQuestions.gif BestPlaceToSubmitPatches r5 - 22 Oct 2013 - 14:56 BryanParsons
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" FelipeNievinski 17 Oct 2013 ...
imgAskedQuestions.gif MergeForumWebIntoAskedQuestions r2 - 30 Oct 2013 - 15:09 BryanParsons
Question could you please compare and contrast the two? thx. FelipeNievinski 17 Oct 2013 Answer Hello Felipe, A plan to merge the forum into asked questions ...
imgAskedQuestions.gif SFBugTrackerClosedToPublic r4 - 30 Oct 2013 - 15:19 BryanParsons
Question Just checking if this is the intended behavior. Thanks. FelipeNievinski 07 Aug 2013 Answer Which portion of the bug tracker are you referring to? ...
imgAskedQuestions.gif InterfrequencyBias r2 - 31 Oct 2013 - 13:47 BryanParsons
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 ...
imgAskedQuestions.gif LossOfLockIndicatorR3VsR2 r2 - 31 Oct 2013 - 13:55 BryanParsons
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 ...
imgAskedQuestions.gif InstallGPSTkPythonBindings r7 - 02 Dec 2013 - 14:42 BryanParsons
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 ...
imgAskedQuestions.gif ProblemsBuildingPythonBindings r8 - 15 Jan 2014 - 13:55 BryanParsons
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 ...
imgAskedQuestions.gif TypeIdWithRinex3 r2 - 06 Feb 2014 - 17:54 BryanParsons
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 ...
imgAskedQuestions.gif WheresatRangeAlgorothm r6 - 06 Feb 2014 - 18:05 BryanParsons
Question Does anybody knows which algorithm wheresat GPSTK function uses to calculate range, when we give the antena position. ErlyLima 10 Nov 2013 Answer Hello ...
imgAskedQuestions.gif NovaRinexLockTime r2 - 18 Feb 2014 - 19:36 BryanParsons
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 ...
imgAskedQuestions.gif InstallGPSTkOSX r1 - 18 Mar 2014 - 14:16 JiemingNiu
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 ...
imgAskedQuestions.gif PRSolveGalileoDualFreqSolution r1 - 01 Apr 2014 - 20:14 AlexanderKuna
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 ...
imgAskedQuestions.gif BuildErrorOnMac r1 - 08 Apr 2014 - 23:29 VeitHelm
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 ...
Number of topics: 60

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