Aeronautical Telecommunication Network
The Aeronautical Telecommunication Network (ATN) is an internetwork architecture that allows ground/ground, air/ground, and avionic data subnetworks to interoperate by adopting common interface services and protocols based on the ISO OSI Reference Model.
The European part of ATN used for ground/ground communications is represented by PENS.
- Manual on detailed technical specifications for the Aeronautical Telecommunication Network (ATN)[permanent dead link], Doc. 9880-AN/466. ICAO. 13 December 2007
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