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LF: Re[2]: VLF: A weekend for newcomers and advanced newcomers...

from [rn3aus] [Permanent Link][Original]
To: [email protected]
Subject: LF: Re[2]: VLF: A weekend for newcomers and advanced newcomers...
From: [email protected]
Date: Mon, 27 Feb 2017 19:14:49 +0300
Authentication-results: f404.i.mail.ru; auth=pass smtp.auth=[email protected] smtp.mailfrom=[email protected]
Cc: DK7FC <[email protected]>, Markus Vester <[email protected]>, Paul Nicholson <[email protected]>
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Hello Stefan, Markus, Paul, VLF,
my results are not very good: only CIAO was decoded, other transmission not decoded :(
---------------------------------------------
found CIAO
list rank 7
reference phase  -30  -30  -30  -30
carrier RMS 2.670e-005 noise RMS 4.665e-006
carrier S/N 15.16 dB in 32.6 uHz
carrier Es/N0 -14.95 dB
carrier Eb/N0 1.58 dB
info bit period 1347.37 seconds
symbol error rate 411/1024 = 40.137 %
Es/N0 from symbol errors -15.0 dB
Eb/N0 from symbol errors 1.5 dB
Shannon capacity 5.5 bits/hour
Shannon efficiency 49.0 %
symbols file C:\EbNaut\ebnaut26_FEB_0221_8270-1pps-symbols.csv
elapsed 41 seconds

Also I "decode" carrier after 25feb transmission: http://rn3aus.narod.ru/DK7FC-carrier-26feb17-0435z.png 

And some ebnaut-files for reprocessing (if I probably have some mistakes in my settings for decoder):
http://rn3aus.narod.ru/ebnaut-22-26feb2017.zip 

I make little improvements (as I think) on my position - now only one rx connected to antenna system (not two)...
73!





Понедельник, 27 февраля 2017, 17:01 +03:00 от DK7FC <[email protected]>:

Thanks Paul and Markus for the decode.

Everything seems to be fine! :-)
Soon Alex will be there with his results, i'm curious!

73, Stefan

Am 27.02.2017 14:53, schrieb Paul Nicholson:
>
> No problem with the decode here, Eb/N0 +7.8dB.
> The message has md5 hash = df2ba39b3842b67c23a71ebdf466b6cf
>
> echo -n 'XXXXXXXXXXXX' | md5sum
>
> > i remember there could have been an unintentional time offset
>
> Timing looks ok, best decode at offset +0.3 seconds.
>
> --
> Paul Nicholson
> --
>


Attachment: DK7FC-25feb2017-2000z-CIAO.png
Description: PNG image

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