| Stack: | Airport: | Frequency: |
| ABBOT | Stansted | ???.??? |
| Biggin Hill (BIG) | Heathrow | 120.525 |
| Bovingdon (BNN) | Heathrow | 119.775 (Out) 121.275 (In) |
| Lambourne (LAM) | Heathrow | 123.900 |
| LOREL | Stansted | 129.275 |
| Ockham (OCK) | Heathrow | 134.125 |
| TIMBA | Gatwick | 120.175 |
| WILLO | Gatwick | 133.175 |