UHF. 5 stations listed.
| Station | Country | Location | Power (kW) | Schedule (UTC) | Language |
|---|---|---|---|---|---|
| Hello Test 1 Mode U - Transmitter - Downlink | Turkey | — | — | — | — |
| Hello Test 2 Mode U - Transmitter - Downlink | Turkey | — | — | — | — |
| HelloSpace SKYLINK-1 Beacon - Downlink | Turkey | — | — | — | — |
| HelloSpace SKYLINK-2 Beacon - Downlink | Turkey | — | — | — | — |
| SITRO-AIS-16 Mode U - GMSK2k4 - USP - Downlink | International | — | — | — | — |