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This is a key year for global navigation satellite systems. However, an item that sells for as little as $30 has already caused big problems for this rapidly growing technology and highlights the vulnerability of GPS.
This study examines two viable alternatives for monitoring GPS broadcast signals used by civilian agencies.
Volpe technical experts designed, developed, and implemented RAIMPrediction.net, which provides critical information to pilots and flight planners.
The technical information on certification validation and differential GPS (DGPS) validation may be of use to noise certification applicants.
INFORMATION: Use of Global Position Systems (GPS) Based Time Space Position Information (TSPI) System as a Truth Source for Certification Flight Testing.