UK Radio Amateur Callsign Definitions

G0xxx
G2xx
G2xxx Class A licence requires Full RAE C&G+12wpm Morse access to all
G3xxx Freqs, max power 26dbw (400w)
G4xxx
G4xx
G5xxx Pre WW2 Class A
G6xx
G8xx
M0xxx

G5xxx Post WW2 - Reciprocal / Experimental
G9xxx Experimental - All Class A privledges plus agreed expansions to Licencing conditions.

G1xxx
G6xxx Class B Licence requires Full RAE C+G only access to all Freqs
G7xxx above 30mhz, max power 26dbw (400w)
G8xxx
M1xxx

M5xxx Class A/B Licence (New Class) as Full Class B Licence requires 5wpm morse, adds most HF Freq with max power 100w pep

2E0xxx Intermediate Class A Licence requires NRAE C&G+5wpm Morse limited access to most freqs including HF max power 50W ERP

2E1xxx Intermediate Class B Licence requires NRAE C+G Only limited access to freqs above 30mhz max power 50W ERP

M3xxx Foundation Licence requires basic knowledge of radio operation and regulations plus a working knowledge of operational Morse at 5WPM Limited to 10W ERP.

The above is representative of England, for other parts of the UK the G,M or 2E would be replaced with:-

Scotland GM, MM or 2M
Wales GW, MW or 2W
N.Ireland GI, MI or 2I
Jersey GJ, MJ or 2J
Guernsey GU, MU or 2U
Isle of Man GD, MD or 2D

Class A+ (New Class) requires Class A Licence+NoV, provide use of higher power levels allowed for experimental use to be determined on a case by case basis

C+G City and Guilds Institute Examination Board
RAE Radio Amateur Examination
NRAE Novice Radio Amateur Examination
WPM Words per Minute (Morse code)
ERP Effective Radiated Power
DBW Decibel Watts