What Brandmeister DMR talk group?
On Jan 8, 2022, at 9:13 AM, John Brier johnbrier@gmail.com wrote:
Thanks, Walter!
I recognize your callsign from the AMSAT Brandmeister DMR node, which I've recently started monitoring.
73, John Brier KG4AKV
On Fri, Jan 7, 2022 at 11:46 PM walterh@k5wh.net wrote:
Great video John.
Thanks for sharing..
Walter/K5WH
-----Original Message----- From: John Brier johnbrier@gmail.com Sent: Friday, January 7, 2022 9:29 PM To: AMSAT BB amsat-bb@amsat.org Subject: [AMSAT-BB] [Video] New linear satellite HO-113 and its issues
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:
https://www.dropbox.com/s/0tsrxs2l2lzr1ix/HO-113_frequency_table.pdf?dl=0
XW-3 user manual: https://www.amsat.org/wordpress/wp-content/uploads/2021/12/XW-3_Amateur_Radi o_Satellite_Users_Manual_V1.0.pdf
This video was based on this article:
https://spacecomms.wordpress.com/2022/01/02/new-chinese-linear-satellite-xw- 3-and-its-issues/
73, John Brier KG4AKV
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Sent via AMSAT-BB(a)amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Acceptable Use and Privacy Policies available at https://www.amsat.org/about-amsat/
View archives of this mailing list at https://mailman.amsat.org/hyperkitty/list/amsat-bb@amsat.org To unsubscribe send an email to amsat-bb-leave(a)amsat.org Manage all of your AMSAT-NA mailing list preferences at https://mailman.amsat.org