FM Satellite Frequency Summary

 

AMSAT Fox-1 Satellites
Uplink FM
(67 Hz CTCSS)
Downlink FM Comments
AO-91 (RadFxSat / Fox-1B) 435.250 MHz 145.960 MHz Operational – Due to battery status, please do not attempt to access while in eclipse.
SO-50 (SaudiSat-1C)
Uplink FM
(67 Hz CTCSS)
Downlink FM Comments
SO-50 (SaudiSat-1C) 145.850 MHz 436.795 MHz Operational
SO-50 also 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.
PO-101 (Diwata-2)
Uplink FM
(141.3 Hz CTCSS)
Downlink FM Comments
PO-101 (Diwata-2) 437.500 MHz 145.900 MHz Operational
FM transponder activated by schedule. The Amateur Radio Unit can operate either as an FM transponder or APRS digipeater. See https://twitter.com/Diwata2PH for schedule. For more details, see http://phl-microsat.upd.edu.ph/diwata2
CAS-3H (LilacSat-2)
Uplink FM Downlink FM Comments
CAS-3H (LilacSat-2) 144.350 MHz 437.200 MHz Operational, but rarely active
When FM transponder is not on, there is a telemetry beacon on 437.200 MHz (LilacSat-2 Home Page). The FM transponder is on no set schedule. For real time updates about which mode the satellite is in, see the AMSAT Live OSCAR Satellite Status Page
IO-86 (LAPAN-A2)
Uplink FM
(88.5 Hz CTCSS)
Downlink FM Comments
IO-86 (LAPAN-A2) 145.880 MHz 435.880 MHz Operational
Satellite is in a low-inclination low earth orbit and not visible north of about 30 degrees north or south of 30 degrees south. FM transponder operations are by schedule only. See https://twitter.com/lapansat for schedule updates.
AO-27 
Uplink FM Downlink FM Comments
AO-27 145.850 MHz 436.795 MHz Operational
Currently active for four minutes on ascending and descending passes over mid-latitudes of the Northern Hemisphere
ISS Crossband Repeater
Uplink FM
(67 Hz CTCSS)
Downlink FM Comments
ISS Crossband Repeater 145.990 MHz 437.800 MHz Operational
See ARISS Status for status information
CAS-5A
Uplink FM Downlink FM Comments
CAS-5A 145.925 MHz 435.600 MHz Launch June 2021
Also includes 3 linear transponders. CW Beacon 435.570 MHz. 4.8k / 9.6k GMSK telemetry 435.650 MHz.
CAS-7A
Uplink FM Downlink FM Comments
CAS-7A 145.950 MHz 435.455 MHz Launch May 2021
Also includes 3 linear transponders. CW Beacon 435.430 MHz. 4.8k / 9.6k GMSK telemetry 435.480MHz. 1 Mbps GMSK Image Transmission 10460.000 MHz
CAS-7C
Uplink FM Downlink FM Comments
CAS-7C 145.900 MHz 435.690 MHz Launch May 2021
CW beacon 435.715 MHz
Tevel Mission
Uplink FM Downlink FM Comments
Tevel Mission 145.970 MHz 436.400 MHz Launch Late 2020
8 identical 1U CubeSats. Transmits 9k6 BPSK telemetry by default, can be commanded to operate as FM repeaters.
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