FM Satellite Frequency Summary

AMSAT Fox-1 Satellites
Uplink FM
(67 Hz CTCSS)
Downlink FM Comments
AO-85 (Fox-1A) 435.170 MHz 145.980 MHz Off until further notice as of 2/6/19.

Due to diminished battery capacity, only active during periods of continuous sunlight.

Next period of continuous sunlight begins approximately June 9, 2019.

See https://www.amsat.org/ao-85-status-update/

AO-91 (RadFxSat / Fox-1B) 435.250 MHz 145.960 MHz Operational
AO-92 (Fox-1D) 435.350 MHz &
1267.359 MHz*
145.880 MHz Operational
* Switchable by command station. Not operational simultaneously.
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.
FUNcube on ESEO
Uplink FM Downlink FM Comments
FUNcube on ESEO 1263.500 MHz 145.895 MHz In orbit, commissioning
Also downlinks 4k8 BPSK telemetry.
PO-101 (Diwata-2)
Uplink FM
(141.3 Hz CTCSS)
Downlink FM Comments
PO-101 (Diwata-2) 437.500 MHz 145.900 MHz In orbit, commissioning
FM transponder activated by schedule. The Amateur Radio Unit can operate either as an FM transponder or APRS digipeater. 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.
Swiatowid
Uplink FM Downlink FM Comments
Swiatowid 436.000 MHz 145.850 MHz Onboard ISS, awaiting deployment
Telemetry – 435.500 MHz 1k2 AX.25 AFSK, 2435.000MHZ 1Mbps 2GFSK
Duchifat3
Uplink FM Downlink FM Comments
Duchifat3 145.970 MHz 436.400 MHz Launch Date Unknown
Also downlinks 9k6 BPSK AX.25 telemetry 437.475 MHz. Possible 145.825 MHz APRS transceiver.
CAS-5A
Uplink FM Downlink FM Comments
CAS-5A 145.925 MHz 435.600 MHz Launch November 2019
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 October 2019
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-7B
Uplink FM Downlink FM Comments
CAS-7B 145.900 MHz 435.600 MHz Launch May 15, 2019
CW Beacon 435.715MHz.
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