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Re: VLF: New carrier on 6470.005 Hz

To: "[email protected]" <rsgb_lf_g[email protected]>
Subject: Re: VLF: New carrier on 6470.005 Hz
From: DK7FC <[email protected]>
Date: Mon, 01 May 2017 14:50:45 +0200
In-reply-to: <[email protected]>
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Hello Paul,

Could you help us by analysing the wav file produced by Alex (.zip file)? I tried to get a decode (the offset between file start and transmission start is 1811.77 seconds) but my PC (RAM) only manages a list length of 1E6 on these settings.
When knowing the message content i think you can tell us how far it was from a decode. And that would be interesting to know for future attempts...

73, Stefan



Am 27.04.2017 19:36, schrieb Alex K:
Hello VLF, Stefan,
unfortunately no decode here of both transmission of 22 and 23 Apr.
Files for reprocessing are here: http://rn3aus.narod.ru/ebnaut-22-23apr2017-6470.zip 

Thus I conclude that I have only a screenshot with traces of plain carrier 6470.005 sended days before ebnaut transmission.

My grabber is now stopped for some reasons and will run again at weekend.
73 de Alex/rn3aus

Воскресенье, 23 апреля 2017, 1:42 +03:00 от DK7FC <[email protected]>:

Hi VLF,

another chance, the same msssage two hours earlier, improved timing towards the east...


f = 6470.100000 Hz
Start time: 23.Apr.2017   05:00:00 UTC
Symbol period: 40 s
Characters: 2
CRC bits: 32
Coding 16K21A
Duration: 11h, 22m, 40s
Antenna current: 460 mA


73, Stefan

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