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GNSS is a global satellite navigation system. GPS is the US GNSS.

19
votes
A blind encoder is an altimeter that encodes pressure altitude and outputs it on a databus. They are "blind" in that they do not display data to the pilot. Most general aviation units use a parallel b …
answered Nov 18 '18 by Gerry
2
votes
EPE is the 1-sigma error level and thus represents the position error circle with a 68% confidence level. Reference: NPS
answered Dec 8 '18 by Gerry
2
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There are two primary differences between RTK GPS and GBAS, function and implementing technology. Functionally, RTK is a differential GPS (DGPS) positioning system. It allows for very precise posit …
answered Mar 8 by Gerry
4
votes
The best reference is the ICAO GBAS Guide. Unfortunately, it doesn't have diagrams to help understand it. The Final Approach Segment (FAS) is a geodesic path to the runway. It is horizontally alig …
answered Jul 7 '18 by Gerry
3
votes
The easiest way is to read the Aircraft Flight Manual (AFM) or Aircraft Flight Manual Supplement (AFMS). If the the GPS was installed at the factory, it will be addressed in the AFM. If it was install …
answered May 28 '18 by Gerry