Sattelite details

Mode V APRS (Worldwide APRS Digipeater) Most common operating mode.

Uplink: 145.825 MHz FM 1200 BPS Packet
Downlink: 145.825 MHz FM 1200 BPS Packet

Mode V/U FM Voice Repeater Worldwide

Uplink: 145.990 MHz FM
Downlink: 437.800 MHz FM

Mode V SSTV Imaging  Ocassionally used.

Downlink: 145.800 MHz FM

435.170 MHz (+/- 10 kHz Doppler shift) FM Uplink 67 Hz CTCSS PL tone required

145.978 MHz (+/- 3 kHz Doppler shift) FM Downlink

Note: If your rig has selectable FM filters use the wider filter for 5 kHz deviation 25 kHz channel spacing.

Mode V/U (J) Linear Transponder (Inverting):

Uplink: 145.9000 – 146.0000 MHz SSB/CW

Downlink 435.8000 – 435.9000 MHz SSB/CW

Mode U Beacon:

Downlink 435.7950 MHz CW

Mode U Digitalker (Rarely Used):

Downlink 435.9100 MHz FM

Telemetry

TLM down link freq 145.935 MHz BPSK

Transponder:

Nominal Uplink 435.150 - 435.130 MHz LSB (Inverting)
The passband may be up to 15kHz higher depending on on-board temps.
Low temperature gives higher freqs!

Downlink 145.950 - 145.970 MHz USB

Please use a maximium uplink power of 5 watts to a 7 dBi gain antenna.
More power is not needed to use the transponder!

FM amateur repeater:

145.850 MHz uplink and 436.795 MHz downlink. , 67.0 Hertz
SO-50 also has a 10 minute timer that must be armed before use. Transmit a 2 second carrier with a PL tone of 74.4 to arm the timer.

FM transponder

435.250 MHz 145.960 MHz , 67 Hz CTCSS 

Operational – Due to battery status, please do not attempt to access while in eclipse.

CAS-4A en CAS-4B

Active in U/v Inverting Analog SSB/CW

CAS-8B..8D

V/u