Differential GPS Evaluation at UK Airuorts

Hemant Mistry and Richard Farnworth

Abstract:	Many experiments have been undertaken and are currently underway to assess the feasibility of using the Global Positioning System (GPS) to provide precision approach and landing services. Most of these trials have been limited to theoretical analysis and tests carried out under experimental conditions. Although such evaluations can demonstrate system capabilities under specific conditions, they provide no guarantee of a systems performance in a continuous real time operational environment. The assessment of the use of GPS for precision approach services requires a constructive step by step approach under revenue service operational conditions. Project Heathrow has been specifically implemented to satisfy this requirement. The project is a co-operative venture between the National Air Traffic services (NATS) and British Airways and has been designed to provide a direct revenue service comparison between the Instrument Landing System (ILS), Microwave Landing System @4LS) and Differential GPS systems installed at London’s Heathrow Airport.
Published in:	Proceedings of the 8th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1995) September 12 - 15, 1995 Palm Springs, CA
Pages:	473 - 479
Cite this article:	Mistry, Hemant, Farnworth, Richard, "Differential GPS Evaluation at UK Airuorts," Proceedings of the 8th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1995), Palm Springs, CA, September 1995, pp. 473-479.
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