GPS links

Usefull GPS WWW sites

IGS: Central Information (at JPL)
IGN: Institut Geographique National
CDDIS: Crustal Dynamics Data Information System, GSFC/NASA
USCGNC: United States Coast Guard Navigation Center A wonderful addition to the world wide web. It includes what used to be called GPSIC (GPS Information Center) and a lot of other useful stuff. Overnight, this has become one of the premiere GPS sites!
USNO : United States Naval Observatory The source for precise time information needed by GPS analysis. Also the source for Notice Advisories to NAVSTAR Users (NANUs) which gives GPS satellite history and status.
NANUs The latest NANUs as supplied by UNB.
International Earth Rotation Service Source for corrections to the Earth rotation axis parameters xp and yp in bulletins A and B.
NGS Ephemerides of GPS satellites. These ephemerides are post processed data by the National Geodetic Servey and very accurate. Look in the directory Ngsorbits. The directory Ngsorbits/doc contains explanations, source and pc binary code for interpolating data.
GARNER archive at SOPAC the largest archive : RINEX files, orbits, tables, GAMIT solutions....
CANSPACE The original and most extensive internet reference for GPS. Maintained by the University of New Brunswick in Canada.
University of New Brunswick
TCG : Table of Contents in Geodesy provides tables of contents for selected journals in geodesy. Maintained by Mike and Mary Craymer, Geomatics Canada.