Question Hi there, Is it possible to give more explanations about this topic (InstallingRegexSupportForVisualCPP). After not using gpstk for a while, now I discover ...

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 ...

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 ...

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 ...

The following pages contain examples of how to program using the GPSTk. Topic Summary %SEARCH{"GPSTkExample " scope "topic" order "topic" regex "on" nonoise ...

Answered Questions All SupportStatus categories: AdminRickMach 15 Dec 2006

Application Writeups This section describes each of the GPSTk applications. Each writeup serves as a reference and tutorial on using the application. BenHarris ...

Ask a Support Question Before you ask a question, please check the following: Documentation : SystemRequirements what it takes to build and run the GPSTk ...

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 ...

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 ...

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 ...

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 ...

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 ...

Requirements to build the GPSTk Applications: (Currently testing under Cygwin/Windows XP) libncurses devel RickMach 09 Feb 2007

OSX support is currently in the alpha stage. The library and applications compile and appear to function correctly. Work is still being done for the build environment ...

Building and Installing in a UNIX like Environment using Jam This page describes build and installation under the following environments. Linux, AIX and Windows ...

Building under Microsoft Visual Studio If you are building GPSTk under the Cygwin environment, then use the jam portion of BuildingGPSTkUnderUnix instructions ...

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 ...

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 ...

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 ...

CalGPS Application Description The !CalGPS application prints GPS calendars either to the command line or to a graphics file. The UNIX cal utility served as the ...

Closed Unanswered Questions All SupportStatus categories: AdminRickMach 15 Dec 2006

Example of an output file from compSatVis compSatVis output file. Generated at 19:02 on 02/11/08 Program arguments: Navigation file : current.al3 ...

Example of an output file from compStaVis compStaVis output file. Generated at 20:02 on 02/11/08 Program arguments Navigation file : current.al3 Day ...

compSatVis/compStaVis Application edit Description This pair of programs compute station visibility to a constellation of space vehicles (SVs) and SV visiblity to ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

GNSS Data Formats in the GPSTk The RINEX Format ARL's Extended RINEX Format Monitor Station Coordinate File Format

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 ...

DiscFix Application Summary Prgm !DiscFix reads a RINEX observation data file containing GPS dual frequency pseudorange and carrier phase measurements, divides the ...

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 ...

The Extended RINEX Format Extended RINEX is an extension of the standard RINEX 2.x format defined by ARL:UT. It defines derived data that can be associated with satellite ...

GPSTk Directory Structure The core of the GPSTk is the library, and its source is located in the dev/src directory. This directory contains classes, algorithms, ...

Downloading the Latest Stable Version The latest stable version is available online on Sourceforge for most desktop platforms. Diego Berge has generated RPMs for a ...

Mailing lists Please post general questions regarding use of the GPSTk to AskedQuestions. Note: You must be a member of the email group before posting is allowed ...

Example: A Basic GPSTk Application This example serves as an introduction to using the GPSTk. The code associated with the example can be found in the file gpstk ...

Example: Reading and Writing a RINEX Observation File This example demonstrates the basic I/O processing of RINEX files. 1 #include iostream 2 #include ...

Example: Extracting Observables from a RINEX Observation File. In this example, observations recorded in a RINEX observation file are combined to create a quantity ...

Example: Computing Position from RINEX Observations In this example, RINEX observations are used to compute the user position. The class that computes the position ...

RickMach 20 Nov 2006 gpstk logo twiki.jpg:

Publications and Presentations Brian Tolman, R. Benjamin Harris. "The GPS Toolkit." Linux Journal. September 2004, p. 72. TWiki PDF Brian Tolman, R. Benjamin ...

GPSTk Success Stories The GPSTk is successfully being used on a variety of projects The following people or organizations submitted GPSTk Success Stories (see also ...

Since 1985, ARL:UT has served as the life cycle engineers for a highly reliable worldwide GPS tracking network for the National Geospatial Intelligence Agency (NGA ...

Question I built a static library from the GPSTk source (following the directions under "BuildingGPSTkUnderWindows") using MS Visual C 2005 Express Edition. Now, ...

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 ...

GPS Calendars Explanation Often GPS data files are marked by date and time. Because there are several time systems associated with GPS, translation among them is ...

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 ...

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 ...

Question Hi, How to Solve GLONASS NAVMESS DATA(RINEX, like . G) using the app "Prsolve"? JetLee 20 Jan 2008 Answer Here is the PRSolve configuration: # Input ...

JetLee 25 Jan 2008

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 ...

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!! StanLin 16 Sep 2008 Answer ...

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 ...

Data for selected IGS Stations in the format of a Monitor Station Coordinates File. 2006020 0001algo 2006.002006.00 918129.353 4346071.282 4561977.849 0.000 0 ...

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 ...

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 ...

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 ...

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 ...

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 ...

Starting with GPSTk version 1.6 (and currently in the development version in subversion), the GPSTk will require the system provide regular expression (regex) support ...

The GPS Toolkit, GPSTk Dr. Brian W. Tolman Ben Harris Applied Research Laboratories The University of Texas at Austin First published in ...

The Monitor Station Coordinates File Format Some analysis projects concern a specific set of stations and need to access the coordinates of those stations repeatedly ...

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 ...

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 ...

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 ...

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 ...

The RINEX Format The RINEX format is a platform and receiver independent format that is used to log the measurements and navigation messages tracked by a GNSS receiver ...

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? SerhatBaydar 13 ...

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 ...

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 ...

Question Hello, as can i stored the second in the RinexObsData list type?, and after i see it. DavidMonroyMachado 07 Oct 2007 Answer I don't understand. Would ...

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 ...

Name: Type: Size: Values: Tooltip message: SupportStatus select 1 Select one..., AskedQuestions, AnsweredQuestions, ClosedUnanswered Classify ...

Support questions have this status: AskedQuestions: Ask your questions here! AnsweredQuestions: Answered! ClosedUnanswered: Not fully answered and ...

Question This is a test of the support web application. AdminRickMach 15 Dec 2006 Answer This is to test changing the state of the topic and closing it. AdminRickMach ...

%NOP{ Note: Do not edit this topic, ask a question in AskedQuestions Set ALLOWTOPICCHANGE TWikiAdminGroup }% Question Answer

System Requirements for the GPSTk This page describes what system utilities you will need to build the GPSTk. Utilities that are optional but recommended for developers ...

TECMaps Application Summary Program TECMaps reads RINEX data files containing extended RINEX observation types EL, AZ and SR or VR from several sites and at each ...

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 ...

Testing within the GPSTk As an open source project, the source of the GPSTk is subject to intermittent updates, contributions, and corrections. The GPSTk library testing ...

Theory and Technologies This section covers the theory behind GNSS, and the technologies that enable the GPSTk to use it. BenHarris 03 Dec 2007

Timeconvert Application Description This application allow the user to convert between time formats associated with GPS. Time formats include: civilian time, Julain ...

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 ...

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 ...

New Guide A new users guide is under development. You don't have to be a developer to add to the new manual, you only need a membership for this TWiki. The Old Guide ...

GPSTk Users Manual Theory, Applications and Standards GNSS Data Formats Application Manuals calgps DiscFix TECMaps List of all 'Manual' pages ...

Welcome to the GPSTk project's wiki. A wiki is a website where all the users of the site can collaborate on the content. There are many different wiki implementations ...

TWiki's Documentation web

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 ...

" warn "off"}% Overview System Requirements Downloads User's Guide Building under: UNIX Windows OS X Test the ...

Supporting Tools Jam, a replacement for make. Required to build the GPSTk library. A white paper describing the key functionality and benefits of Jam. A beginner's ...

TWikiGuest example@your.company DavidMonroyMachado: RinexObsData KirillPalamartchouk: PythonBindings RickMach TracieConn OctavianAndrei ...

Documentation Web Preferences The following settings are web preferences of the Documentation web. These preferences overwrite the site level preferences ...

" else "TWiki's Documentation web"}% /Documentation

Statistics for Documentation Web Month: Topic views: Topic saves: File uploads: Most popular topic views: Top contributors for topic save ...

Question How do you determine what applications should be built in the GPSTk? RickMach 06 Sep 2007 Answer From BenHarris: After some experimenting I have found ...

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 ...

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 ... DominicFuller ...

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 ...

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 ...

Question The constructor: WxObservation(const DayTime t, double temp, double pres, double humid) takes parameters of 'double' type even if its members are declared ...