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Documentation:

• SystemRequirements - what it takes to build and run the GPSTk
• BuildingGPSTkUnderUnix, BuildingGPSTkUnderOSX, or BuildingGPSTkUnderWindows - how to build the GPSTk
• Doxygen API - programming reference for the library
• UsersGuide - how to use the GPSTk applications

Questions already answered:

• AnsweredQuestions lists questions that are already answered.
  (Use WebSearch or Google:site:gpstk.org+myproblem to find answers to your question that are already written - faster than waiting for a new answer!)
• If you have an enhancement request or a brainstorming idea, you can contribute that in the Development, the web for GPSTk developers.

Get formal enhancements or support for integrating into your project - if inclined: contact BrentRenfro

How to ask a new question:

• Each question is a TWiki topic - please ask a new question in a new topic, rather than adding to a current one where it can get lost.
• You need username and password to edit pages - please create your own account in WikiRegistration.
• In case you find the answer by yourself after submitting a question: We would appreciate if you could document this here in your question and set the SupportStatus to AnsweredQuestions. That way you help making the Support web self-organized and more useful.
• You could also drop by GPSTkIRC if you need to real-time interaction.

Questions Asked but Not Yet Answered

If you answer a question - or have a question you asked answered by someone - please remember to set the status in the form to answered!!

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 ...
SmoothinginDiscFix	r5 - 21 Jul 2009 - 14:49	RickMach
Question Hi there! The code smoothing in DiscFix is done using the phase measurements? Thanks. RicardoPiriz 13 Jul 2009 Answer Yes, but its not really "smoothing ...
HowToInstallOnWindowsddPlot	r5 - 30 Aug 2009 - 21:56	RickMach
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 ...
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
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 ...
RinexConvertor	r3 - 01 Dec 2009 - 20:34	OctavianAndrei
Question Is there any tool to do the reverse conversion R3 R2.x? If so, could you point me to? Thanks, Octavian OctavianAndrei 30 Nov 2009 Answer Octavian ...
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 ...
HowToManageclassIndex	r1 - 06 Mar 2010 - 10:27	YanWei
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 ...
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 ...
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 ...
ReferenceOfRAIM	r1 - 13 Mar 2010 - 08:37	YanWei
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 ...
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 ...
QuestionAboutUsingJamAndInstalling	r3 - 03 May 2010 - 18:43	AndreyPodkorytov
Question Hello to support and to developers. 1. I work in Windows XP. I'm using cygwin. When i had downloaded tarball "gpstk 1.6.cygwin32.tar.gz", i installed it by ...
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 ...
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 ...
MaxRedifinition	r1 - 31 Aug 2010 - 17:49	JasonTobiasz
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 ...
GPSTkWindowsStaticLib	r6 - 31 Aug 2010 - 17:50	JasonTobiasz
Question I built a static library from the GPSTk source (following the directions under "BuildingGPSTkUnderWindows") using MS Visual C 2005 Express Edition. Now, ...