Callsign blocks:-   G, M, 2.
ISO 3166 code:-     GBR.EU
Timezone:-          UTC (daylight savings time applies)


Amateur Allocations are as follows:-

Standard class A & B licences commence with G or M.
Novice class A & B licences commence with 2.

Location.     Ordinary Prefix.     Club Prefix.    Novice Prefix.

England       G     M              GX   MX         2E
Isle of Man   GD    MD             GT   MT         2D
Ulster        GI    MI             GN   MN         2I
Wales         GW    MW             GC   MC         2W
Scotland      GM    MM             GS   MS         2M
Jersey (CI)   GJ    MJ             GH   MH         2J
Guernsey (CI) GU    MU             GP   MP         2U


All callsigns with a 2 letter suffix are class A.
For callsigns with a 3 letter suffix, the intermediate digit indicates
the class:-

Class A      0 2 3 4
Class B      1 6 7 8
The digit 5 has not yet been issued for 3 letter suffix callsigns.

The following special callsigns exist:-

GB3 +2 letters     Voice/tv repeater   
GB3 +3 letters     Beacon 
GB7 +2 letters     AX25 node
GB7 +3 letters     AX25 bbs
GB0                Class A special event station
GB1                Class B special event station
2B                 Novice special event station
GB2RS              Radio Society of Great Britain news broadcasts
GB2CW              Radio Society of Great Britain cw practice broadcasts
GB2ATG             BARTG news broadcasts


Other allocations include:

G9                 Test and development licences
M9                 Maritime mobile (vhf) licences
G +2 letters       Coastal radio stations (BT)