Live FM Satellites

Updated Feb 28, 2026. See AMSAT Status page for current status. Updates, changes, or suggestions please email David, N9KT.

SatelliteUplinkDownlinkComment
AO-91
(RadFxSat / Fox-1B)
435.250 MHz
(67 Hz CTCSS)
145.960 MHzDue 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 MHz437.200 MHzFM 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 MHzSchedule
APRS Low inclination orbit +/- 30 degrees of equator.
ISS145.990 MHz
(67 Hz CTCSS)
437.800 MHzSee AMSAT Status and ARISS ISS Ham Radio Status for this FM Repeater status.
For other modes and frequencies, see this and this.
PO-101
(Diwata-2)
437.500 MHz
(141.3 Hz CTCSS)
145.900 MHzSeems to by dying: https://x.com/Diwata2PH/status/1905508075702038805/photo/1
FM transponder activated by schedule
RS95S
(QMR-KWT-2)
145.920 MHz
(67 Hz CTCSS)
436.950 MHzOn during testing. Watch AMSAT-BB for announcements. Also transmits SSTV images.
SO-50
(SaudiSat-1C)
145.850 MHz
(67 Hz CTCSS)
436.795 MHzHas 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-125
(HADES-ICM)
145.875 MHz436.666 MHz