Live FM Satellites

Updated June 9, 2025. See AMSAT Status page for current status. Updates, changes, or suggestions please email David, N9KT.

Uplink Downlink Comments
AO-91 (RadFxSat / Fox-1B) 435.250 MHz
(67 Hz CTCSS)
145.960 MHz Due to battery status, please do not attempt to access while in eclipse.
AO-123 (ASRTU-1) 145.850 MHz
(67 Hz CTCSS)
435.400 MHz
CAS-3H (LilacSat-2) 144.350 MHz 437.200 MHz FM transponder has no set schedule. When the FM transponder is not on, there is a telemetry beacon on 437.200 MHz.
IO-86 (LAPAN-A2) 145.880 MHz
(88.5 Hz CTCSS)
435.880 MHz Low inclination orbit +/- 30 degrees of equator. FM transponder schedule: https://twitter.com/lapansat
ISS 145.990 MHz
(67 Hz CTCSS)
437.800 MHz See ARISS Status for status information
PO-101 (Diwata-2) 437.500 MHz
(141.3 Hz CTCSS)
145.900 MHz Seems to by dying: https://x.com/Diwata2PH/status/1905508075702038805/photo/1

FM transponder activated by schedule: https://twitter.com/Diwata2PH

SO-50 (SaudiSat-1C) 145.850 MHz
(67 Hz CTCSS)
436.795 MHz Has a 10 minute timer that must be armed before use. Transmit a 2 second carrier with a CTCSS tone of 74.4 Hz to arm the timer.
SO-124 (HADES-R) 145.925 MHz 436.885 MHz
SO-125 (HADES-ICM) 145.875 MHz 436.666 MHz