UHF. 3 stations listed.
| Station | Country | Location | Power (kW) | Schedule (UTC) | Language |
|---|---|---|---|---|---|
| HYDRA-2 UHF 9k6 Telemetry - Downlink | Spain | — | — | — | — |
| Hydra-3 UHF 9k6 Telemetry - Downlink | Spain | — | — | — | — |
| SITRO-AIS-11 Mode U - GMSK USP 2K4 TLM - Downlink | Russia | — | — | — | — |