Tuesday, December 15, 2009

China's 1st ever amateur radio satelite XW-1 is in space now!

ANS Special Bulletin AMSAT China Says XW-1 Has Been Launched.

AMSAT China reports it was launched at about around 0230 UTC on December 15, 2009. The beacon was received in Sanya after launch.XW-1 was a secondary payload aboard the CZ-4C rocket from Taiyuan Satellite Launch Center into a sun-synchronous orbit about 1200kilometers high. The primary payload of this launch is the Yaogen-8Remote Sensing Satellite.
The preliminary keplerian elements for the satellite are:

1 99999U 09349.11987269 .00000000 00000-0 00000-0 0 00006
2 99999 100.4859 046.2958 0001760 147.4703 038.6343 13.15267150000017

The XW-1 communications payload includes a beacon and three crossband transponders operating in FM, linear, and digital modes.

Here is a Spacecraft Summary:
Common Name: XW-1
Alternate Name: CAS-1
Satellite Type: Microsatellite
Launch Date: TBD
Launch Location: Taiyuan Satellite Launch Center of China
Launch Vehicle: CZ-2C(LM-2C) Rocket
Apogee: 1200km
Perigee: 1200km
Inclination: 105 degrees
Period: 109 minutes
Local time of descending node: 21:30
Weight: 50kg
Frequency Information:
Mode V/U (J) FM Voice Repeater (30 dbm (1 w)):
Uplink: 145.8250 MHz FM, PL 67.0 Hz.
Downlink: 435.6750 MHz FM
Mode V/U (J) Linear Transponder (Inverting) (30 dbm (1 w)):
Uplink:145.9250 - 145.9750 MHz SSB/CW
Downlink:435. 7650 - 435.7150 MHz SSB/CW
Mode V/U (J) PacSat BBS (30 dbm (1 w)):
Uplink:145.8250 MHz AFSK 1200 BPS
Downlink: 435.6750 MHz AFSK 1200 BPS

Mode Beacon (23 dbm (200mw)):
Downlink:435. 7900 MHz CW
You can get XW-1 Telemetry Format at :
Details of the XW-1 satellite are available at:
[ANS thanks David Chen, BD5RV/4 and Alan Kung, BA1DU for the above information]
Courtsy : Mani, VU2WMY

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