NF Z85-842-1*NF EN 302842-1:2015 VHF air-ground and air-air digital link (VDL) Mode 4 radio equipment - Technical characteristics and methods of measurement for aeronautical mobile (airborne) equipment - Part 1 : physical layer (V1.3.1)
2015NF Z85-842-1*NF EN 302842-1:2015 VHF air-ground and air-air digital link (VDL) Mode 4 radio equipment - Technical characteristics and methods of measurement for aeronautical mobile (airborne) equipment - Part 1 : physical layer (V1.3.1)