AO-27 AMRAD-OSCAR 27
FM repeaterScheduled opsLaunched 1993-09 · LEO, ~800 km, 98.6° sun-synchronous · NORAD 22825
Revived 2020s. Repeater is on for a few minutes per pass on a published schedule. Same frequencies as SO-50, so check which one you are hearing.
| Transponder | Uplink | Downlink | Mode | Notes |
|---|---|---|---|---|
| FM repeater | 145.850 MHz | 436.795 MHz | V/U FM |
What to expect
- Only on for a short window each pass. Check the AO-27 schedule before counting on it.
Gear: Same setup as SO-50.
Predict passes →·Walk through a pass →
Verify before a pass
- AMSAT status · was it heard in the last few hours?
- SatNOGS DB · current transmitter entries
- SatNOGS observations · recent recordings and waterfalls