Special prefix to celebrate the London 2012 Olympics and Paralympic Games
Period: 00.00 BST 21st July 2012 to 23.59 BST 9th September 2012
Authorisation: To conform to the requirements of the Wireless Telegraphy Act 2006, each licensee must obtain a Notice of Variation. This is an on-line process, and will be available from 1st March 2012.
Callsign: the letter O will be added to calls, or replace the regional identifier. For example (where “aaa” represents the final alpha block of the callsign):
M3aaa becomes MO3aaa G3aaa becomes GO3aaa GM3aaa becomes GO3aaa 2E0aaa becomes 2O0aaa (Two Oscar zero aaa) 2M0aaa becomes 2O0aaa (Two Oscar zero aaa) GX3aaa becomes GO3aaa