CSN ETSI EN 301 842-2 V1.7.1

CSN ETSI EN 301 842-2 V1.7.1 The present document applies to the following radio equipment types: - Very High Frequency (VHF) Digital Link (VDL) Mode 4 ground-based radio transmitters and receivers for air-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 from 112,000 MHz to 136,975 MHz as defined in ICAO VHF Digital Link (VDL) Standards and Recommended Practices (SARPs) [1]. The present document provides part 2 of the technical specifications. The present document is designed to ensure that equipment certified to it will be compatible with the relevant ICAO VDL SARPs [1] and ICAO VDL4 Technical Manual [i.1]. Manufacturers should note that in future the tuning range for the ground transceivers may also cover any 25 kHz channel 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 is ETSI EN 302 842 [i.4]. The present document specifies functional specifications of VHF communication ground station equipment intended to be used for air-ground and air-air data communications. The present document is derived from the standards and specifications in: - VDL Mode 4 standards produced under the auspices of the International Civil Aviation Organization (ICAO) [i.1]. - Other relevant standards as defined in clause 2.
Original English text of CSN EN Standard.
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