Low Cost DGPS

Joe Desbonnet / joe@wombat.ie / ei3fib
Last update: 02 May 2000

SA finally off!!

Selective Availability, the deliberate error introduced into civilian GPS signals was finally turned off shortly after midnight UTC on 02 May 2000. The graph belows shows longitute vs time.

SA being switched off

The aim of this project is to develop open source GPS software libraries and applications. In particular, I am interested in developing software that will allow post processing of raw pseudorange/carrier phase data from low cost OEM units such as the Garmin GPS35 TracPak.

[New!] (20 Dec 1999) gpsutils-0.4.0 available. Download page.

Last update: 02 May 2000