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The 27 MHz CB27/81 Bandplan is a list of the channel frequencies for FM CB radio in the United Kingdom. Unlike CB usage in the United States , and subsequently elsewhere in the world, the original UK 40 channels progress in order with 10 kHz spacing.
The UK Government eventually legalised CB radio, and on 2 November 1981 a CB service was introduced on a frequency band and offset that is incompatible with the imported American radios. At the same time the ownership of non-UK approved 27 MHz transceivers was made illegal except for those obtained by UK radio amateurs holding a UK "A" (HF ...
Citizens band radio (CB radio) is a land mobile radio system, a system allowing short-distance one-to-many bidirectional voice communication among individuals, using two-way radios operating near 27 MHz (or the 11-m wavelength) in the high frequency or shortwave band.
The 26.995 MHz, 27.045 MHz, 27.095 MHz, 27.145 MHz, 27.195 MHz and 27.255 MHz frequencies do not require a license. 27.255 MHz and is authorized for higher power use (25 watt power limit compared to 4 watt power limit for the other 26-28 MHz frequencies) but is shared with CB radio channel 23 and is not protected from interference from CB radio ...
Examples of standardized services include PMR446 and FM Citizens Band Radio (CB) in the EU and several other countries/regions. 26–27 MHz CB radio is the oldest personal radio service and is used in nearly every country worldwide, with many countries and regions copying the United States 40-channel frequency plan. In many countries, CB radio ...
List of stations on the Digital One and Sound Digital multiplexes broadcasting in the newer DAB+ Digital Radio standard. DAB frequencies: 11A - radio stations operated under the Sound Digital multiplex; 11D / 12A - radio stations operated under the Digital One multiplex (12A in Scotland and 11D in England, Wales and Northern Ireland)
It regulates amateur radio in the country as an independent regulator and competition authority for the UK communications industries, with responsibilities across television, radio, telecommunications and wireless communications services. It assigns call signs, issues amateur radio licences, allots frequency spectrum, and monitors the radio waves.
The Amateur radio R-S-T system signal report format currently in use was first developed in 1934. [citation needed] As early as 1943, the U.S and UK military published the first guidance that included the modern "Weak but readable", "Strong but distorted", and "Loud and clear" phrases. [citation needed]