Glenn Baddeley - GPS - Links

• The best GPS personal sites
• General GPS information
• Information about NMEA and sentence formats
• Australian GPS related pages
• GPS Receiver Manufacturers

The best GPS personal sites

• Joe Mehaffey and Jack Yeazel's GPS Information.net site.
   
• Sam Wormley's GPS Resources.
   
• Peter Bennett's NMEA-0183 and GPS Information site.
   

General GPS information

• GPS - (Almost) Everything You Wanted to Know
  What is GPS? How do I use it? How do I know what to buy?
   
• Global Positioning System Overview in the Geographer's Craft materials at University of Colorado.
  A good starting place for GPS information.
   
• Global Positioning System information at Wikipedia.
   
• GPS Primer: An Amazing Tool at The Aerospace Corporation.
  What is Navigation? What is GPS? Elements of GPS. How GPS works. Uses for GPS. GPS timeline.
   
• Information about GPS Basics, Athletic sports and GPS (eg. running and biking), and Driving with GPS navigation at the Topic Briefs group of web sites.
   
• The GPS nuts
  A site co-authored by Andrew Kalinowski and Ron Wilson - the GPS nuts.
   
• David L. Wilson's GPS Accuracy page
   

Information about NMEA and sentence formats

Information can be found scattered all around the 'net...

• Order a copy of the NMEA 0183 interface standard
  National Marine Electronics Association products page.
   
• An explanation of NMEA data
  Includes hardware connections and quite a lot of decoded sentences.
   
• XMIDAS NMEA-0183 Sentence Formats
  $GPGGA, $GPGLL, $GPHDT, $GPSTN, $GPTRF, $GPVBW, $GPVTG, $GPZDA, $PSTA, $PEND, $PRAW, $PRAWA2D, $PRAWFREQ, $PPOS, $PSCA, $PVEC, $PEVT.
   
• The Capn NMEA data
   
• GPSy support of NMEA on Macintosh
  GPS unit compatibility, protocols and data transfers.
   
• Garmin GPS16/17 Series Technical Specification
  Has information on received sentences $GPALM, $GPRMI, $PGRMIE, $PGRMC, $PGRMC1, $PGRMC1E, $PGRMO, $PSLIB and transmitted sentences $GPALM, $GPGGA, $GPGSA, $GPGSV, $GPRMC, $GPVTG, $GPGLL, $PGRME, $PGRMF, $PGRMM, $PGRMT, $PGRMV, $PGRMB. Link supplied by David Gancarz, Jan 2003.
   

Australian GPS related pages

• GpsOz
  Australia's leading GPS site specifically for Australians.
   
• Johnny Appleseed GPS
  GPS retailer has shops in Sydney, Melbourne and Brisbane.
   
• MapTrax Australia
  Supplier of high quality digital raster maps, GPS and mapping software and hardware.
   
• Bushwalks in the Perth region, Western Australia
  This site provides descriptions, maps, waypoints, routes and photos for 40 one-day walks most of which are less than 100km from the city of Perth in Western Australia.
   
• UTM Datums in Australia
  Links to Victorian Land Channel and Geoscience Australia web sites about Geodesy, UTM Zones and Datums, GPS.
   

GPS Receiver Manufacturers

• Garmin
   
• Trimble
  A very good discussion of how the GPS system works can be found at http://www.trimble.com/gps/.
   
• Magellan
   
• Eagle
   

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