O'Reilly logo

Essentials of Positioning and Location Technology by David Bartlett

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

3 Satellite positioning (GNSS)

3.1 Introduction to satellite positioning

At the time of writing there are two operating Global Navigation Satellite Systems (GNSS). The best known of the satellite positioning systems is GPS (Global Positioning System) which is the satellite-based navigation system developed by the US Department of Defense under the NAVSTAR programme. The other is GLONASS, the Russian system. Although it had fallen into disrepair it is now restored to full operational status.

There are additional planned systems, including GALILEO, COMPASS and others. Galileo and Compass are both in their pre-operational phases and are expected to become operational in the time-frame 2014 to 2018.

GNSSs allow a receiver which can receive radio signals ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required