A new Chinese amateur radio satellite could be launched on December 25




[UPDATED: 2021-12-22 @ 1215 UTC] The CAMSAT XW-3 (CAS-9) amateur radio satellite has been installed on the CZ-4C Y39 launch vehicle at the Taiyuan Satellite Launch Center in China, and related work is underway as planned, reports Alan Kung, BA1DU of CAMSAT.

“If all goes well, the satellite will be launched on December 25, 2021.” The orbit will be a sun-synchronous circular orbit with an altitude of 770.1 kilometers. The XW-3 (CAS-9) User’s Guide has more details.

On December 22, Kung posted this update:

“The CAMSAT XW-3 (CAS-9) amateur radio satellite will be launched at UTC 03:11:31 on 2021-12-26, and will be deployed at 98.858° east longitude and 28.413° north latitude at UTC 03: 35:58, location near Western Australia.

“Radio amateurs will receive the CW beacon and GMSK telemetry signals about 38 seconds after the satellite separates from the launcher, then the linear transponder will go live after about 49 seconds.”

The 100mW linear transponder will have an uplink frequency of 145.870 MHz and a downlink frequency of 435.18 MHz (transponder bandwidth is 30 kHz, inverted). The satellite will have a CW beacon on 435.575 MHz. — Thanks to Alan Kung of CAMSAT, BA1DU

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