UHF. 18 stations listed.
| Station | Country | Location | Power (kW) | Schedule (UTC) | Language |
|---|---|---|---|---|---|
| ASTROBIO Mode U - FSK9k6 AX25 G3RUH - Downlink | Italy | — | — | — | — |
| CloudCT-Precursor Mode U - Transmitter 1 - Downlink | International | — | — | — | — |
| CUBY-1 Mode U - Transmitter 1 - Downlink | International | — | — | — | — |
| CUBY-2 Mode U - Transmitter 1 - Downlink | International | — | — | — | — |
| CUBY-3 Mode U - Transmitter 1 - Downlink | International | — | — | — | — |
| CUBY-4 Mode U - Transmitter 1 - Downlink | International | — | — | — | — |
| CUBY-5 Mode U - Transmitter 1 - Downlink | International | — | — | — | — |
| MTUSI-1 Mode U - Transmitter - Downlink | Russia | — | — | — | — |
| NETSAT 1 Telemetry - Downlink | Germany | — | — | — | — |
| NETSAT 2 Telemetry - Downlink | Germany | — | — | — | — |
| NETSAT 3 Telemetry - Downlink | Germany | — | — | — | — |
| NETSAT 4 Telemetry - Downlink | Germany | — | — | — | — |
| QUBE Mode U - FSK9k6 - Transmitter - Downlink | Germany | — | — | — | — |
| QUBE2 Mode U - Transmitter 1 (2k4 Bluewalker-3) - Downlink | Germany | — | — | — | — |
| TOM-1 Mode U - Transmitter 1 - Downlink | Germany | — | — | — | — |
| TOM-2 Mode U - Transmitter 1 - Downlink | Germany | — | — | — | — |
| TOM-3 Mode U - Transmitter 1 - Downlink | Germany | — | — | — | — |
| UWE-4 Mode U - FSK 9600 AX.25 - Downlink | International | — | — | — | — |