GPS Utility Links

Links to general GPS information

GPS Information - more than you need to know
map-gps-info.com - for really useful information on maps, geography, and GPS.
Tom's Garmin GPS pages - excellent site for Garmin info.
Dale DePriests pages - a wealth of information
GPS Nuts - lots of interesting information
Aviation Formulary - some of the mathematics
Orthometric Height (MSL) - explanation of heights
US Navy Technical resources - in case you missed anything
US Navy technical info - for all the glorious detail
The SA removal event - what happened on 2 May 2000
Packet Radio - excellent source of information
NMEA information
The Universal Transverse Mercator System - a description
UTM coordinate system - more details
NGA Datum Table - list of datums
A2Z GPS - lots of useful information here.

Garmin Manuals - an introduction to GPS
Trimble introduction to GPS - the best introduction to GPS
GPS Tutorials - pointers to other tutorials
US Navy GPS System Description - from the horses mouth
The Geographers Craft - excellent source of overview links
GPS Resources - by Travel by GPS
Conversion Formulae
Map Projections - Useful guide
Datum and tranformations - Useful information and data

Sam Wormley's GPS Book List - for some good bedtime reading
gpsuser specs - pdf document
gps specs 1 - pdf document
gps specs 2 - pdf document
icd200c.pdf - pdf document
Rinex status - for reference
Garmin's Manuals - in case you lost yours
Grids and Datums - American Society for Photogrammetry & Remote Sensing