| RSGB Bandplan (effective from 1st January 2007) | ||||
| 21 MHz (15m) | Neccesary | UK Usage | ||
| Bandwidth | ||||
| 21,000-21,070 kHz | 200 Hz | Telegraphy | ||
| 21,055 kHz QRS (slow telegraphy) Centre of Activity. | ||||
| 21,060 kHz QRP (low power) Centre of Activity | ||||
| 21,070-21,090 | 500 Hz | Narrow band modes | ||
| 21,090-21,110 | 500 Hz | Narrow band modes - automatically controlled data stations (unattended) | ||
| 21,110-21,120 | 2.7 kHz | All modes (excluding SSB) - automatically controlled data stations (unattended) | ||
| 21,120-21,149 | 500 Hz | Narrow band modes | ||
| 21,149-21,151 | IBP - reserved exclusively for beacons | |||
| 21,151-21,450 | 2.7 kHz | All modes. | ||
| 21,285 kHz QRP Centre of Activity. | ||||
| 21,340 kHz Image Centre of Activity. | ||||
| 21,360 kHz - Global Emergency Centre of Activity | ||||
| LICENCE NOTES: Amateur and Amateur Satellite Service - Primary User. | ||||