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Chinese CAS-4A and CAS-4B Amateur Radio Satellite Transponders Activated

A

ARRL

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Nov 15, 2008
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The Amateur Radio linear (SSB/CW) inverting transponders on the CAS-4A and CAS-4B satellites were activated on October 18. CAMSAT’s Amateur Radio payloads piggybacked on the optical remote-sensing micro-satellites OVS-1A (CAS-4A) and OVS-1B (CAS-4B), launched on June 15.

CAS-4A (call sign BJ1SK) has a CW telemetry beacon on 144.855 MHz, and 4.8 kB GMSK telemetry on 145.835 MHz. The uplink is 435...

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