RECOMMENDATION ITU-R M.1830
Technical characteristics and protection criteria of aeronautical
radionavigation service systems in the 645-862 MHz frequency band
Scope
Annex 1 Technical characteristics of aeronautical radionavigation
service systems in the 645-862 MHz frequency band
Annex 2 Protection criteria for aeronautical radionavigation service
systems in the 645-862 MHz band from DVB-T interference