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Re: LF: 6470.1 Hz 16-char decode nr Moscow

from [Markus Vester] [Permanent Link][Original]
To: [email protected]
Subject: Re: LF: 6470.1 Hz 16-char decode nr Moscow
From: Markus Vester <[email protected]>
Date: Wed, 18 Oct 2017 17:00:43 -0400
Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20150623; t=1508360445; bh=3dB3LWMqRbrnkHEqe//vNRUoKDSQy2tdDyySypAMBq0=; h=From:To:Subject:Message-Id:Date:MIME-Version:Content-Type; b=rugaNEiWqkkTjL37qorb4hEwcUGwGzhD72J6rNEBXKyaQXqQMZY7Xf70omNAMLlkb XGa1Q9yC513o5ooVBtw5uUm0TXo65y4bg+JzKzMyPygDDrQTa2mrl4dp2/QC+TC0od 6BnKuXNSJipmK/c+Xq2kY3YiIH7IgfYB3qfdxtlQ=
In-reply-to: <CAGZ2Mybw5K-2Tgu8Nyc0NqtN4JFgMqq=Eu0fsrSvKyMeg=HGVA@mail.gmail.com>
References: <CAGZ2Mybw5K-2Tgu8Nyc0NqtN4JFgMqq=Eu0fsrSvKyMeg=HGVA@mail.gmail.com>
Reply-to: [email protected]
Sender: [email protected]
Very well done both, Alex and Stefan! I'm quite impressed: You succeeded over 2000 km where we failed at 230 km. But I'm not envious, just sharing your joy, and glad to be part of these activities.

Best 73,
Markus (DF6NM)



-----Ursprüngliche Mitteilung-----
Von: Alex K <[email protected]>
An: rsgb_lf_group <[email protected]>; rsgb_lf_group <[email protected]>; sub9khz <[email protected]>
Verschickt: Mi, 18. Okt 2017 18:28
Betreff: LF: 6470.1 Hz 16-char decode nr Moscow

Hello VLF!
I am glad to report that the 16-char message of Stefan on 6470.1 is successfully decoded nr Moscow. The stacking of 11 copies of transmission with accurate weight summation was required. Stefan the first has achieved successful decode from my files. Then with his councils it was succeeded to make it also to me. My big congratulations to Stefan! Excellent work and is a little good luck :-). Also huge gratitude to Markus for the excellent utility add.exe and of course to Paul for magnificent ebnaut!
73 de rn3aus/Alex

PS all files are here http://rn3aus.narod.ru/ebnaut-16ch-all-files-decoded.zip

ebnaut-rx V0.7a
input file C:\EbNaut\16char\sum-all-w.wav
sample rate 0.342935 per second
rx frequency 6470.1
file start time 2017-10-15 15:43:32.290
polynomial 16K21A
crc size 19
number of chars 16
block size 115
symbol period 20.000
number of symbols 2160
list length 868865
start offset 998.574
freq offset 0.000000
cores 1
skipped 997.273536 seconds to start
initial reference phase -37.2
---------------------------------------------
found YELLOW SUBMARINE
list rank 746119
reference phase  180  180  180  180
carrier S/N 19.25 dB in 23.1 uHz, -27.11 dB in 1Hz, -61.09 dB in 2.5kHz
carrier Es/N0 -14.10 dB
carrier Eb/N0 -0.35 dB
info bit period 473.68 seconds
symbol error rate 852/2160 = 39.444 %
Es/N0 from symbol errors -14.4 dB
Eb/N0 from symbol errors -0.7 dB
Shannon capacity 9.9 bits/hour
Shannon efficiency 76.7 %
symbols file C:\EbNaut\16char\sum-all-w-symbols.csv
elapsed 126 seconds
1

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