GNSS is short for ‘Global Navigation Satellite System.

The system consists of a number of space satellites, which transmit positioning and timing data.

The data is then received by GNSS receivers, located on earth.

The receivers use the data received from the satellites, to determine the receiver’s location on earth.

GNSS systems provide global coverage, and a number of separate countries have their own developed systems.

Examples of systems that have been developed by countries include Europe’s ‘GALILEO’ , Russia’s ‘GLONASS’ , and the United States ‘NAVSTAR’.

Performance Considerations

To assess the performance of a system, the following benchmarking criteria are used.

1) Accuracy

2) Integrity

3) Continuity

4) Availability












Published by Craig Miles

Craig Miles

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