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Re: VLF: Tonite...

To: [email protected]
Subject: Re: VLF: Tonite...
From: Jacek Lipkowski <[email protected]>
Date: Fri, 10 Mar 2017 14:38:16 +0100 (CET)
In-reply-to: <[email protected]>
References: <[email protected]> <[email protected]> <[email protected]> <[email protected]> <[email protected]> <[email protected]> <[email protected]> <[email protected]> <[email protected]>
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Sender: [email protected]
User-agent: Alpine 2.11 (DEB 23 2013-08-11)
Decoded the 20170309 transmission in Warsaw with Eb/N0 7.4dB

found rank 0 ber 2.7307e-01 Eb/N0 7.4 M -4.779396057e+00 [GGGG DDD] ps [ 0 0 0 0 0]
carrier phase: -1.4
carrier Eb/N0: 8.2
carrier S/N: 24.80 dB in 24.8 uHz
elapsed 179

VY 73

Jacek / SQ5BPF

On Fri, 10 Mar 2017, DK7FC wrote:

Date: Fri, 10 Mar 2017 01:42:39 +0100
From: DK7FC <[email protected]>
Reply-To: [email protected]
To: [email protected]
Subject: Re: VLF: Tonite...

As already observed and decoded, another message is transmitted right now, same 
parameters as below, started 18 UTC.
This should decode in Moscow :-)
73, Stefan

Am 07.03.2017 23:37, schrieb DK7FC:

      I'm trying another 8 character message, just to get a clear decode from 
Alex. Of course all reports are welcome, as usual
      The message has started to late again but not as late as the last one, so 
maybe there will be a clear decode. On the other
      side there is more QRN now. Some day we will need a tool for stacking/ 
combining multiple wav files under windows! It would
      make things easy on that path.


      f = 8270.100000 Hz
      Start time: Tuesday 07.Mar.2017   22:20:00.3
      Symbol period: 30 s
      Characters: 8
      CRC bits: 16
      Coding 16K21A
      Duration: 11h, 12m, 0s
      Antenna current: 700 mA

      Based on the last carrier S/N of Alex' last decode this could be the 
      But some hours will fall into daylight, so it will be quite close to the 
limit again! :-)

      73, Stefan

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