· http://electronics.howstuffworks.com/gadgets/travel/gps.htm - Tutorial on how GPS works
· http://trimble.com/gps/index.shtml - Tutorial on how GPS works
· http://www.colorado.edu/geography/gcraft/notes/gps/gps_f.html - Nice overview of GPS from 1992
· http://pnt.gov/ - National Space Based Position, Navigation, and Timing Executive Committee
· http://www.navcen.uscg.gov/ – U.S. Coast Guard Navigation Information Center, status, and navigation data downloads
· FAA GPS Site – Information on LAAS, WAAS, certification of GPS, and other GPS aviation issues
·
http://celestrak.com/GPS/almanac/Yuma/
- Source for
· http://igscb.jpl.nasa.gov/ - Raw data and products (orbits, clocks, etc) from IGS
· Celestial Observer – Observation Planning, Historical Research, Events
· MATLAB Mapping Utility – Recommended by Arian Lalezari
· Zip File of Open Space Trails around Boulder – Recommended by Eldad - Once you download the file and extract it, you can open it in Google Earth and it will create an overlay of the trails over the Boulder area. Lalezari
· Online PPP Solutions – Recommended by Prof. Larson