UK Amateur Radio Call Signs (callsigns)

UK Amateur Radio Call Signs (callsigns)

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There is a large number of different prefixes used for UK, British amateur radio callsigns or call signs. From a knowledge of these ham radio call signs it is possible to learn something about the licencee - the type of amateur radio or ham radio licence held and also when it was issued.

As the types of ham radio licence available have changed over the years, and different call sign series were issued for each one, it may be difficult to identify what the callsigns mean without a table and explanation.

Current UK amateur radio licences

Within the UK, there are three types of amateur radio licence that can be obtained, namely the Foundation Licence, Intermediate Licence and the Full Licence. Each of these ham radio licences offers different privileges in a form of incentive amateur radio licence scheme through which all new UK radio hams must progress to achieve the full licence.

The different ham radio licences reflect the experience of the operators, the Foundation Licence offering entry level privileges while the Full licence offers the highest power levels and the greatest number of bands.

Amateur Radio Licence ClassSummary of privileges
Foundation licenceMaximum of 10 watts on most allocated bands. Band allocations limited.
Intermediate licenceMaximum of 50 watts.
Full licenceMaximum UK licence power can be used and all UK amateur radio band allocations available.

These overviews are by their nature limited in definition. For full details it is necessary to refer to the appropriate ham radio licence.

UK amateur radio call signs

Over the years a variety of different ham radio call sign series have been used in the UK. By looking at the prefix and the number of letters after the prefix it is possible to tell the approximate years in which the licence was issued, and also the original form of licence. There have been a variety of different licences that have been available, and a particular call sign format was used for each different type of licence.

Foundation Licence

Call sign descriptionIssue dates and details
M3 + 3 letters
M6 + 3 lettersAvailable from 13 May 2008

Intermediate Licence

Call sign descriptionIssue dates and details
2E0 + 3 lettersIssued from 1991 onwards as Intermediate licence. Issued as Novice class A licence from 1991 for use on all Novice allocations
2E1 + 3 lettersIssued from 1991 onwards as Intermediate licence. Issued as Novice class B licence from 1991for use on Novice allocations above 30 MHz

Full Licence

Call sign descriptionIssue dates and details
G2 + 2 letters1920 - 1939
G3 + 2 letters1937 - 1938
G4 + 2 letters1938 - 1939
G5 + 2 letters1921 - 1939
G6 + 2 letters1921 - 1939
G8 + 2 letters1936 - 1937
G1 + 3 letters1983 - 1988 - originally issued as Class B licence
G2 + 3 letters1920s to 1939. Originally issued as "Artificial Aerial" licence
G3 + 3 lettersIssued between 1946 and 1971. Originally issued to amateur radio licence and Class A amateur radio licence holders.
G4 + 3 lettersIssued between 1971 and 1985. Originally issued to amateur radio class A licence holders.
G5 + 3 lettersOriginally issued to foreign nationals as a form of reciprocal ham radio licence. They were withdrawn and either they used existing home calls with additional UK prefix / callsign, or if applicable they could apply for UK licence.
G6 + 3 letters1981 - 1983. Originally issued as a class B licence
G7 + 3 letters1989 - 1996. Originally issued as a class B licence
G8 + 3 letters1964 - 1981. Originally issued as a class B licence
G0 + 3 letters1986 - 1996. Originally issued as a class A licence
M1 + 3 letters1996 - . Originally issued as a class B licence.
M3 + 3 lettersFoundation licence holders.
M0 + 3 letters1996 - . Originally issued as a class A licence

QSL card from G6BW to G6YL for contact on 30 Oct 1929
Callsigns issued between 1921 and 1939

UK amateur radio call sign prefixes

In addition to the basic ham radio call signs a variety of prefixes are used. These not only indicate the country in which the station is located, but also the type of station - a separate set of prefixes being used to indicate whether the amateur radio licence is privately held by an individual or whether it is a club station.

The schemes are different for the M or G series callsigns and those in the 2X* series as the structure of the call signs is slightly different.

Call sign prefixCountry
2DIsle of Man
2INorthern Irelend

Countries for 2X* series call signs

The call signs in the G and M series follow the same format. The second letter of the prefix indicates the country and purpose of the licence.

PrefixCountry / purpose
G & M, no second letterEngland
GBSpecial event stations
GC & MCWales - club licence (optional alternative prefix)
GD & MDIsle of Man
GH & MHJersey - club licence (optional alternative prefix)
GI & MINorthern Ireland
GJ & MJJersey
GM & MMScotland
GN & MNNorthern Ireland - club licence (optional alternative prefix)
GP & MPGuernsey - club licence (optional alternative prefix)
GS & MSScotland - club licence (optional alternative prefix)
GT & MTIsle of Man - club licence
GU & MUGuernsey
GX & MXEngland - club licence (optional alternative prefix)
GW & MWWales

Countries and purposes for G and M series call signs

Although amateur radio club stations are allocated call signs using the standard series of prefixes, they also have the option to use the other prefixes detailed in the table above to indicate that they are a club station. This can be particularly useful when they are operating in particular as a club station when they want to make their status more obvious, or for example in some ham radio contests where a new prefix has added value.

GB call signs

The GB prefix is used for a variety of special ham radio licences ranging from repeaters and beacons to data mailboxes and special even stations. It is possible to tell the use of the station and licence from the format of the callsign.

GB call sign formatPurpose
GB3 + 2 lettersRepeaters
GB3 + 3 lettersBeacons
GB7 + 2 lettersData repeaters
GB7 + 3 lettersData mailboxes
GB + other digits not mentioned aboveSpecial event stations

For events such as contests it is also possible to obtain call signs consisting of the prefix plus one letter. For example MW0A could be used for a ham radio contest, etc.

Call sign examples

Listening on the amateur radio bands, a large variety of UK call signs with different prefixes can be heard. By using the above tables and information it is possible to determine much about the station using them. Although no UK call signs with serial letters in the series QAA to QZZ were issued, these can be used as examples as they do not belong to real stations. For example it can be seen that a station with the call sign G3QQQ would have been issued with a class A license and now hold a UK full licence, but it would have been issued between 1946 and 1971, well before the current licensing system was introduced. An amateur radio station with the call sign GB3QQ would be a repeater, and so forth.

As can be seen, there is a great variety in UK ham radio call signs and their prefixes. This diversity has partly arisen out of the changes in the UK ham radio or amateur radio licences and also from the need for new series of UK amateur radio call signs. As a result it is very useful to have an understanding of the make up of these call signs.

Watch the video: UK Amateur Ham Radio Licences u0026 Callsigns - Explained (July 2022).


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