[amsat-bb] COSMOS2499 (RS-47?)

Pete Rowe ptrowe at yahoo.com
Sat Dec 6 19:05:33 UTC 2014

Nothing heard during the 5 Nov 14  18:00 z overhead pass in Northern CaliforniaPeteWA6WOA

      From: Jean-Pierre Godet <godetj at wanadoo.fr>
 To: amsat-bb at amsat.org 
 Sent: Saturday, December 6, 2014 6:57 AM
 Subject: Re: [amsat-bb] COSMOS2499 (RS-47?)
  Many thanks, Jan,

  I was afraid that this was a coincidence, another bird in the vicinity.

  73 +++

  Jean-Pierre F5YG

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On Sat, 6 Dec 2014, PE0SAT | Amateur Radio wrote:

> Hi Jean Pierre,
> I did receive RS-47 CW Look at http://www.dk3wn.info/p/?p=52752
> But this was the only time, after that I didn't receive any CW
> from RS-47.
> 73 Jan PE0SAT
> On 06-12-2014 13:57, Jean-Pierre Godet wrote:
>> Hi my friends !
>>  I'm listening the passes over western Europe of the COSMOS-2499,
>> but there is no CW telemetry nor callsign, never, only the usual
>> russian DOKA-B telemetry on 435.465 and 435.565 MHz . Perhaps an error
>> ?
>>  Then, again this morning, I watched carefully the R4UAB blog video,
>> especially the frequency vs time, then I "replayed" the november 30th
>> day as seen from Dmitry/R4UAB location (Ruzaevka, Republic of
>> Mordovia, Russian Federation) with the keplerian of COSMOS-2499, the
>> fresh good ones of NORAD :
>>  The Doppler frequency shift crossed 435.465 at about 23:15:48 on
>> the video. At the moment, the bird was not over Russia but near the
>> East coast of Australy. I thought, maybe the clock is not UTC but
>> adjusted with the time zone of Mordovia (time is MSK (Moscow), UTC +
>> 3)... So I tried 19:15:48 UTC but, yet, the bird was then not over
>> Russia but the Pacific Ocean.
>>  Any ideas ? The tle are the correct ones, sure, and you may verify
>> yourself. I'm using them without problem and all the visible passes of
>> the 2499 are received just in time, exactly, since saturday november
>> 30th.
>>  Have a nice week-end, 73 !
>>  Jean-Pierre F5YG
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