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ETSI EN 301 842-1
M00003572
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ETSI EN 301 842-1 Electromagnetic compatibility and Radio spectrum Matters (ERM); VHF air-ground Data Link (VDL) Mode 4 radio equipment; Technical characteristics and methods of measurement for ground-based equipment; Part 1: General description and physical layer
standard by European Telecommunications Standards Institute, 04/01/2015
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ETSI EN 301 842-1 applies to the following radio equipment types: Very High Frequency (VHF) Digital Link (VDL) Mode 4 ground-based radio transmitters and receivers forair-ground communications operating in the VHF band, using Gaussian-filtered Frequency Shift Keying(GFSK) Modulation with 25 kHz channel spacing and capable of tuning to any of the 25 kHz channels from112,000 MHz to 136,975 MHz as defined in ICAO VHF Digital Link (VDL) Standards and RecommendedPractices (SARPs) [2].The present document provides part 1 of the technical specification.The present document is designed to ensure that equipment certified to it will be compatible with the relevant ICAOVHF Digital Link (VDL) Standards and Recommended Practices (SARPs) [2] and VDL Mode 4 Technical Manual(TM) [1].
Manufacturers should note that in future the tuning range for the ground transceivers may also cover any 25 kHzchannel from 108,000 MHz to 111,975 MHz.
The scope of the present document is limited to ground stations. The equivalent specification for airborne stations isETSI EN 302 842 [i.1].