Abstract
An increasing number of small satellites are proposed for miscellaneous applications, many of which assume the use of Global Positioning System (GPS) for positioning, timing and orbit determination. Some of these satellites are only a few kilograms in mass, which is the same mass as a typical space GPS receiver. Equally demanding are the requirements for power consumption, where 1 watt is considered excessive, and also low cost. This paper describes the characterisation and adaptation of new small commercial component based GPS receivers for space use, including software performance validation, radiation testing, and preparation for demonstration on a satellite.
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