DS/EN 303 084 V2.1.1:2016

Ground Based Augmentation System (GBAS) VHF ground-air Data Broadcast (VDB); Technical characteristics and methods of measurement for ground-based equipment; Harmonised Standard covering the essential requirements of article 3.2 of the Directive 2014/53/EU

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Harmonized under:
  • Directive 2014/53/EU of the European Parliament and of the Council of 16 April 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of radio equipment and repealing Directive 1999/5/EC Text with EEA relevance

Harmonized standards:


The present document applies to VDB ground-air digital broadcast using Differential Eight Phase Shift Keying
(D8PSK) of Ground-Based Augmentation System GBAS, intended for channel increments of 25 kHz. The VDB system
provides data broadcast from ground based to aircraft systems, operating in the VHF band (108,000 MHz to
117,975 MHz). The scope of the present document is limited to ground based stations and is restricted to the civil use of
GBAS with horizontally polarized signals (GBAS/H).
The present document contains requirements to demonstrate that "... Radio equipment shall be so constructed that it
both effectively uses and supports the efficient use of radio spectrum in order to avoid harmful interference " [i.1].
In addition to the present document, other ENs that specify technical requirements in respect of essential requirements
under other parts of article 3 of the RE Directive [i.1] as well as essential requirements under the SES Interoperability
Regulation 552/2004 [i.2] and related implementing rules and/or essential requirements under the EASA basic
regulation 216/2008 [i.6] may apply to equipment within the scope of the present document.

Number of pages: 41

Published: 2016-08-26

Date of approval: 2016-08-23

International relationships :

ICS: 49.090 - On-board equipment and instruments

Item number: M300196



  • ETSI/TR & TS

Danish committee