Corrected Husky-1 Telem Frequency
Would someone please repost the corrected downlink Telem frequency to use for Doppler control.
Thanks!
Mike N7ASZ
Hi Mike!
The downlink is 435.800.
The photo at the following URL shows late in a pass when the doppler-corrected downlink freq at my location had traveled to around 435.790.
https://twitter.com/scott23192/status/1223435881467596802/photo/1
But with USB, it gets tricky... using an SDR, you visually adjust the signal's position to keep the audio output centered on 1500 Hz (the middle of the 3KHz audio bandwidth).
Accomplishing the same thing with a regular radio seems like it would be very difficult without any visual feedback to make fine adjustments.
-Scott, K4KDR
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On Wed, Feb 5, 2020 at 12:18 AM Mike Lucas via AMSAT-BB amsat-bb@amsat.org wrote:
Would someone please repost the corrected downlink Telem frequency to use for Doppler control.
Thanks!
Mike N7ASZ
Hi Mike,
If you're using AF in Foxtelem (meaning, not IQ...), I suggest you try to get the carrier frequency around 1400-1500 at AOS. It shows up in very light grey text, between the two "wave forms"...if you look carefully, you'll see it. These details are only as good as the TLE data! So update frequently, especially now right after launch (maybe every couple of days?).
Currently, here is what I use in SatPC32--but it varies by radio to get the 1400-1500 Hz carrier!
For my TS-2000x: HuskySat-1,435799.8,145950.0,USB,LSB,REV,0,0,Telem Beacon
For my IC-9700: HuskySat-1,435798.4,145950.0,USB,LSB,REV,0,0,Telem Beacon
Hope that helps with both specifics as well as strategy!
73,
Mark N8MH
On Wed, Feb 5, 2020 at 12:18 AM Mike Lucas via AMSAT-BB amsat-bb@amsat.org wrote:
Would someone please repost the corrected downlink Telem frequency to use for Doppler control.
Thanks!
Mike N7ASZ
Sent via AMSAT-BB@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. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: https://www.amsat.org/mailman/listinfo/amsat-bb
participants (3)
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Mark L. Hammond -
Mike Lucas -
Scott