Nice video. Thanks for the info.


Dr. Robert W McGwier, Ph.D.
Adjunct Faculty, Virginia Tech
ARDC Member of Board
Sky: AAVSO, SkyHub, Auburn AS, Skyscrapers

On Fri, Jan 7, 2022, 9:30 PM John Brier <> wrote:
Watch me work this new linear satellite HO-113 / XW-3 and talk about
some of its issues so you can learn how to work it successfully
despite those issues.

00:00 My setup
00:48 Demonstration
03:44 Background on HO-113
04:41 weak downlink, high SWR?
06:03 Real reasons for weak downlink
06:48 Deaf receiver
07:28 Noisy passband

On December 25th, while most of the space community was excitedly
discussing the James Webb Space Telescope (JWST) launch of that
morning, the amateur radio satellite community was also anticipating
their own new satellite launching that evening.

On December 26th at 03:11 UTC, XW-3 (CAS-9), was launched on a CZ-4C
launch vehicle from the Taiyuan Satellite Launch Center in China,
piggybacked with the ZY-1(02E) earth observation satellite.

XW-3 was designated HO-113 by AMSAT a few days after launch.

Transponder passband frequency table for printing:

XW-3 user manual:

This video was based on this article:

73, John Brier KG4AKV


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