Current "Listening Squawks" in use around the UK:
•0010 Birmingham 118.050 MHz
•0011 Solent / Bournemouth 120.225 MHz / 119.475 MHz respectively
•0012 Thames Radar/Gatwick 132.7 MHz / 126.825 MHz respectively
•0013 Luton / Stansted 129.550 MHz / 120.625 MHz respectively
•6170 Doncaster Approach 126.225 MHz
•7366 Manchester 118.575 MHz