PREVAIL: A platform for EGNOS validation flight trials

PREVAIL: A platform for EGNOS validation flight trials

van den Berg, A.N.
Veerman, H.P.J.
Breeuwer, E.
Farnworth, R.

National Aerospace Laboratory NLR

2001-06-30

Prior to the operational implementation of EGNOS, the civil aviation community requires assurance with respect to the performance and safety of EGNOS-based operations. In the frame of the GNSS-1 Operational Validation (GOV) project, EUROCONTROL requested the development of a platform to be used for flight trials. In this context the Netherlands National Aerospace Laboratory NLR developed together with the Spanish company GMV a platform that can be used for two purposes: EGNOS navigation data collection for Navigation System Performance analysis and EGNOS based guidance for demonstration purposes and Total System Performance analysis. The PREVAIL platform was installed on the NLR Cessna Citation II research aircraft for flight trials during the period between 25 September and 2 October 2000. During a number of flights (ferries between Schiphol and Brétigny-sur-Orge and trials around Brétigny-sur-Orge) EGNOS Satellite Test-Bed (ESTB) based navigation data was recorded with two different GNSS-1 receivers (Aquarius®, Millennium®) and at Brétigny-sur-Orge local DGPS RTK data was recorded to serve as a truth reference. This paper presents not only some of the results of the (early) trials that were performed with the PREVAIL platform, but it also discusses the process of analysing the (large amounts of) obtained data. Paper presented at the GNSS 2001 Conference, Sevilla, Spain, 8 -11 May 2001.

http://resolver.tudelft.nl/uuid:97831bf5-402a-4fcf-984b-8f69801223d9

Nationaal Lucht- en Ruimtevaartlaboratorium

Campus only

NLR Technical Publication TP 2001-197

Aerospace Engineering Reports

report

(c) 2001 National Aerospace Laboratory NLR