Alle lidstaten van de EU moeten dit verzekeren.
Zie: http://eur-lex.europa.eu/LexUriServ/Lex ... 024:EN:PDF4. Air navigation service providers, operators and other users or owners of radios shall ensure that from 17 November 2013 their radios include the 8,33 kHz channel spacing capability whenever they are subject to radio upgrades.
5. Member States shall ensure that by 31 December 2017 at the latest all radios have the 8,33 kHz channel spacing capability with the exception of ground radios operated by air navigation service providers.
6. In addition to 8,33 kHz channel spacing capability, the equipment referred to in paragraphs 1-5 shall be able to tune to 25 kHz spaced channels.