The following is the latest list of contests in which the callsign M4A may be used, as issued by Ofcom on 18 December 2007 in the G6UW NoV. M4A may only be used by members of the club.

• ARRL DX CW
• ARRL DX SSB
• ARRL 1.8MHz DX CW only
• ARRL 28MHz Multimode
• CQ WPX CW
• CQ WPX RTTY
• CQ WPX SSB
• CQ World Wide CW
• CQ World Wide RTTY
• CQ World Wide SSB
• CQ World Wide 160 CW
• CQ World Wide 160 SSB
• IARU Championship Multimode
• IOTA Multimode
• WAE DX CW
• WAE DX RTTY
• WAE DX SSB
• ARRL RTTY Roundup
• BARTG RTTY
• IARU 50MHz Trophy Multimode
• IARU 144MHz Trophy Multimode
• IARU 432MHz to 248GHz Multimode
• March 144 and 432MHz
• May 432MHz to 248GHz Contest
• Movember Marconi Memorial 144MHz
• Russian DX Contest