The Secret Nuclear Bunker Contest Group (SNBCG) were formed in 2015 to facilitate radio operations at the Kelvedon Hatch Secret Nuclear Bunker (GB0SNB). Since then, there has been a steady growth in members, allowing us to stage many field events and portable excursions. The contest group holds the callsign M0SNB and associated club call MX0SNB.

The club operates mainly online via the SNBCG group.io and interested parties are welcome to join.

The group holds informal meetings at the J. J. Moons Wetherspoons Public House in Hornchurch, Essex.

There is easy parking around the high street, within a few minutes walk. Meeting start times vary, but, usually around 19:30 till 21:30. You are advised to contact us beforehand.