Top Definition
British Amateur Radio (Radio Ham) Callsign of the Colchester (vhf) Contest Group.
The UK has 3 main Callsign series:
G
M
2
Each can take a regional identifier. ie: GM for Scotland, GW for Wales.
M1CRO is the UHF/SHF Callsign of the Colchester Contest Group.
by M1CRO December 25, 2008

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