VHF air-ground Digital Link (VDL) Mode 2 - Technical characteristics and methods of measurement for ground-based equipment - Part 1: Physical layer and MAC sub-layer (ETSI EN 301841-1 V1.3.1 (2010-06))
VHF air-ground Digital Link (VDL) Mode 2 - Technical characteristics and methods of measurement for ground-based equipment - Part 1: Physical layer and MAC sub-layer (ETSI EN 301 841-1 V1.4.1 (2015-04))
VHF air-ground Digital Link (VDL) Mode 2 - Technical characteristics and methods of measurement for ground-based equipment - Part 1: Physical layer and MAC sub-layer (ETSI EN 301 841-1 V1.4.1 (2015-04))