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ADS-B (Automatic Dependent Surveillance - Broadcast) is a surveillance technology that works by broadcasting GNSS position, velocity and identity to interested parties. It can be used as a supplement to or alternative to radar systems for tracking aircraft. It is a component of the FAA's NextGen ATC improvements, as well as the European SESAR programme.

4
votes
1answer
I am developing C# code that reads 1090ES Automatic Dependent Surveillance - Broadcast (ADS-B). The ADS-B position messages broadcast by the aircraft's ADS-B transmitter have a different encoding d …
asked May 12 '16 by TTT
2
votes
We were decoding Airborne Position frames having TypeCode 0, 9-18 and 20-22. Apparently, frames with TypeCode 20-22 and possibly 0 have to be decode a different way. (For now I think that I get enoug …
answered Jan 22 '16 by TTT
5
votes
1answer
I am decoding Compact Position Reporting (CPR) positions from ADS-B frames (the airborne position and surface position frames). Most of my results give realistic longitude/latitude values, but some r …
asked Jan 21 '16 by TTT