Select callsign group Abbrievated and contest calls G0 series G1 and G2 series G3AAA-FZZ G3GAA-LZZ G3MAA-SZZ G3TAA-VZZ G3WAA-ZZZ G4AAA-FZZ G4GAA-LZZ G4MAA-SZZ G4TAA-ZZZ G5 series G6 series G7 series G8 series GB series GD-MD-2D GI-MI-2I series GJ-MJ-2J series GM0-3 series GM4-8 series GU-MU-2U series GW series 2E series 2M series 2W series M0A-L M0M-Z M1 series M3 series M5 series M6 series M7 series MM series MW series BRS - Receiving Stations Special UK prefixes