Fwd: Re: Confirmed KMS-4 Radio Reception on UHF

From: Satcom via Seesat-l <seesat-l_at_satobs.org>
Date: Wed, 10 Feb 2016 07:01:29 +0000
From: Satcom <john_at_satcom.freeserve.co.uk>
To: Scott Tilley <sthed475_at_telus.net>

If it helps , I played Scotts wav file through SDR sharp....the signal
id definitely there , and pretty strong.
Here is a grab from the visualisation.


My guess.... Scott is spot on with his assumption that this is KMS-4



On 10/02/2016 05:35, Scott Tilley via Seesat-l wrote:
> Further to my last, I have copied a second pass with timings that
> closely match Spacetrack TLEs.
> The signal is weak and experiences deep fades with obvious modulation.
> Hear the recording below to form you're own opinion.
> The signal seems to have drifted up in overall frequency since last orbit.
> Here's a 75MB wav file of the entire pass that anyone can hear.  I
> screwed up making a wideband recording due to unfamilaritity with the
> software but I hope it helps with the analysis.  It's just demodulated
> audio not the raw 190KHz bandwidth.  It starts off uninteresting but
> gets very loud with signal a few minutes in around (6-7 minutes) and
> near the end of the pass.  Best viewed with something that can visualize
> the signal.
> https://dl.dropboxusercontent.com/u/15916951/Record0_20160210_050859.wav
> Regards,
> Scott
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