[amsat-bb] Possible KMS-4 Radio Reception w/ video

[Jean-Pierre Godet]

   Nor on the next pass, orbit nr 91, around 0930 TU.

   73+++ !

   J-P F5YG

On 12/02/2016 08:01, Jean-Pierre Godet wrote:
>    Hi, Scott,
>
>    Not heard here in western Europe... will try again on the next pass
> around 0925 UTC.
>
>    73 !
>
>    J-P F5YG
>
> On 12/02/2016 02:32, Scott wrote:
>> At approximately 0111 UTC 12-Feb-2016, I was monitoring a wide
>> spectrum in
>> the area of 460 Mhz in hopes of seeing a signal with doppler movement
>> that
>> might correspond to the TLE track of the KMS-4 satellite launched by
>> North
>> Korea.
>>
>> A very strong signal appeared up near 465.985 and tracked as you would
>> expect.  Since the signal strength and doppler movement correlated nicely
>> to the track on Orbitron, I suppose there is a decent chance that I was
>> actually receiving KMS-4.
>>
>> Naturally I forgot to record the IF until well through the pass, but I
>> don't really expect to be able to decode the signal anyway.  I'm not even
>> sure if there was anything but a carrier, to be honest.
>>
>> On the outside chance that I did see anything on this pass, I was
>> recording
>> the screen and have uploaded the video to YouTube.  Orbitron is very
>> small
>> on the right side as I wanted to have as much area as possible to
>> watch for
>> a signal in HDSDR.
>>
>> The max elevation on the pass was 55 degrees.  Antenna was a fixed,
>> omni-directional QFH built for 432 Mhz.  The radio was the SDRPlay RSP.
>>
>> If anyone would like to see what the signal looked & sounded like, the
>> video is at:  https://youtu.be/9JiEyUM-8U4  (please jump to the 4:40 mark
>> where the signal first appears)
>>
>> Oh, and sorry about the manual tuning... not knowing the frequency
>> beforehand, I did not have the software setup to track the doppler
>> automatically.
>>
>> 73!
>>
>> -Scott,  K4KDR
>> Montpelier, VA  USA
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> _______________________________________________
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> AMSAT-NA.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
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>