| 3 494 kHz (Night z) | 13 342 kHz H24 | |
| 5 541 kHz H24 | 17 916 kHz H24 | |
| 8 930 kHz H24 | 23 210 kHz (Daylight z) | |
| 11 345 kHz H24 |
All Upper Side Band mode (USB)
Welcome to
STO Radio LDOC
We have almost 40 years experience in providing Communication services on HF radio to the Aviation Community worldwide.
Serving as a Long Distance Operational Control Facility (LDOC) we are both proud and happy to see a large portion of the world's major airlines among our customers.
Monitored HF radio frequencies All Upper Side Band mode (USB) | ||||
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HF Propagation Forecast | ||||
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