[MCLPress] Chinese HF Satellite

[Baumans Luc]

Voor de amateurs van satellieten traffic .

 
CAS-7A — Chinese HF Satelliet

Sep 11, 2020 · HF · Tom, DF5JL

CAMSAT has announced in spring 2020 the launch of CAS-7A for 15.09.2020. 
The project was announced several years ago, but has been postponed again and again.
The special thing about CAS-7A is that HF is used with two transponders. 
The transponder configuration of the Chinese satellites is similar to that of the Russian RS satellites of that time. 
A sun-synchronous orbit with an inclination of 98° is planned. The orbit height shall be 500 km.

 The transponders have a bandwidth of 30 kHz and the frequencies were coordinated by IARU [1]:

HF linear transponder:
uplink: 21.245 — 21.275 kHz
Downlink: 29,435 — 21,465 kHz
CW beacon: 29.425 kHz

HF/UHF transponder:
Uplink: 21.3125 — 21.3275 kHz
Downlink: 435,3575 — 435,3725 kHZ
CW beacon: 435.430 kHz

Mcl press door on7bau 

 

 



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