Useful GPS Web pages

IGS Web Sites

• Jim Ray's recent paper
• Main IGS page
• Tracking Network Station List
• Engineering Data for the IGS Network
• Time Series for many IGS sites
• table of IGS station log information
• Site photos

• Main SCIGN page, Southern California Integrated GPS Network
• site photos - gallery of all SCIGN sites
• SOPAC's SITe tool - query site logs for specific station(s)
• search for data by location (search radius around lat/long)
• TimeSeries Java Plotter
• Time Series Datafile Generator
• Open Source software from SCIGN

• UNAVCO
• EUREF tracking network
• NGS, National Geodetic Survey
• CORS, continuously operating reference stations
• Auto-GIPSY
• OPUS, Online Positioning User Service (from NGS)
• ARGN, Australian Regional GPS Network
• BARGEN, Basin and Range Geodetic Network
• NANUs (Notice Advisory to Navstar Users)
  • latest info on which sats not to use
  • Coast Guard NANU lookup
  • Navy NANU archive
• constellation status

• SP3 format description
• slow SINEX format description.
• Ionosphere documentation from Stefan Schauer

• all about GPS antenna calibration, from the NGS.
• The official IGS phase center variation listing
• all about domes

• GPS signal modernization
• Anti-spoofing status, 1995 - present
• RINEX converters
• Maps of all GPS networks
• spiffy way to map a GPS site by 4-letter code

• Ashtech
• Trimble
• AOA (Allen Osborne Associates)
• Leica