goGPSv0.4.31.Introduction============goGPSisasoftwarepackagedesignedtoperformGPSpositioning,eitherinpost-processingorreal-time.ItisdevelopedinMATLABanditisaimedatprovidingatoolusefulforstudyingGPSpositioning,implementingandtestingnewalgorithmsandinteractingingeneralwithGPS-relatedaspects.2.Requirements============goGPShasbeendevelopedandtestedinMATLAB7.6+environments,onbothWindowsandUNIX.ThefollowingelementsareneededinordertousegoGPS:-acomputerwithWindowsoraUNIX-basedoperatingsystem-aMATLAB7.6+installationForpost-processingtasks:-RINEXobservationfilefortherovingreceiver-RINEXobservationfileforthemasterstation-RINEXnavigationfile(RINEXfilesmusthaveepochsincommon)(goGPSbinarydatasavedduringareal-timesessioncanbeusedinsteadofRINEXfiles)Forreal-timetasks:-'InstrumentControlToolbox'installedonMATLAB-GPSreceiverprovidingrawdataonaCOMport(currentlyu-bloxUBX,FastraxIT03,SkyTraqandNVSBINR*binary protocolsaresupported)withtheirowndriversinstalled-GPSpermanentstation(s)broadcastingrawdatainRTCM3.xformatthroughNTRIPprotocol(atleast'1002'or'1004'messages)NOTE:plottingon谷歌Earthrequiresittobeinstalled;ifplottingerrorellipseson谷歌EarthproducesoddoutputonWindows,pleaseswitch谷歌EarthrenderingenginetoDirectX.*thisdevelopmentwassupportedbytheJSPSGrant-in-AidforScientificResearch(IssueNo.24700105)
1