GPS Tutorials

·         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

Information and Data Downloads

·         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

·         GPS Resource Library

·         GPS Joint Program Office

·         http://celestrak.com/GPS/almanac/Yuma/ - Source for YUMA almanacs (even year 2000)

·         http://igscb.jpl.nasa.gov/ - Raw data and products (orbits, clocks, etc) from IGS

·         GPS Manifest and Launch Log

Software & Manuals

Online Utilities

·         GPS Visualizer

·         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