SB SPACE @ ARL $ARLS012
ARLS012 New Amateur Radio FM Transponder CubeSat Now in Space

ZCZC AS12
QST de W1AW
Space Bulletin 012  ARLS012
> From ARRL Headquarters
Newington, CT  December 30, 2016
To all radio amateurs

SB SPACE ARL ARLS012
ARLS012 New Amateur Radio FM Transponder CubeSat Now in Space

The BY70-1 CubeSat launched on December 28 from the Taiyuan Space Launch Center
in China, but in a lower orbit than intended. The satellite carries an Amateur
Radio FM transponder.

BY70-1 was intended to go into a 530-kilometer (approximately 329-mile)
circular Sun-synchronous orbit, but it appears the orbit is 524 x 212
kilometers, which will give the spacecraft an orbital
lifetime of just a month or two.

Paul Stoetzer, N8HM, reported working Wyatt Dirks, AC0RA, through the FM
transponder during the 1709 UTC pass on December 28. "Uplink requires precise
frequency adjustment, and there's a delay on the downlink, but the signal is
strong," Stoetzer said.

BY70-1 is a 2U CubeSat project for education and Amateur Radio. It features
3-axis stabilization and deployable solar panels. In addition to the FM
transponder, BY70-1 has a camera, and plans call
for downloading images and telemetry via a 9600 bps BPSK downlink. The IARU
Amateur Satellite Frequency Coordination pages list an uplink of 145.920 MHz,
and a downlink of 436.200 MHz.

AMSAT-UK has more information online at,
https://amsat-uk.org/2016/12/27/by70-1-fm-transponder-satellite/ .

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