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Re: LF: DK7FC EbNaut message on 8270.1 Hz decoded nr Moscow by RN3AUS

To: [email protected]
Subject: Re: LF: DK7FC EbNaut message on 8270.1 Hz decoded nr Moscow by RN3AUS
From: Markus Vester <[email protected]>
Date: Tue, 14 Feb 2017 06:19:58 -0500
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Alex and Stefan,

I'm glad to see that splendid result! That's a very nice reward, making all your efforts worthwhile.

Best 73,
Markus (DF6NM)


-----Ursprüngliche Mitteilung-----
Von: Alex K <[email protected]>
An: rsgb_lf_group <[email protected]>; rsgb_lf_group <[email protected]>
Verschickt: Di, 14. Feb 2017 9:42
Betreff: LF: DK7FC EbNaut message on 8270.1 Hz decoded nr Moscow by RN3AUS

Hello VLF, Stefan!
I am glad to report that EbNaut signal DK7FC at February 10, 2017 06:00 UTC, frequency 8270.1 Hz, was successfully rcvd and decoded by RN3AUS. QRB=1900 km.
TX: 700 mA antenna current
RX: E-probe MidiWhip and NMEA+1PPS GPS disciplined sound card with SpecLab.
It is first message from DL to RU on VLF Dreamers Band!

My congratulation to Stefan!
Also this result would not be possible without very useful councils and utilities of Markus  DF6NM, the wonderful  SpecLab program of Wolfgang DL4YHF  and absolutely fantastic EbNaut of Paul Nicholson. My deepest respect!
73 de rn3aus/Alex
----------------------------------------------
ebnaut-rx V0.5
input file C:\Radio\EbNaut\VLF_EBNAUT\13feb2017-VLF\ebnaut10_FEB_1234_8270-nmea1pps.wav
sample rate 0.342935 per second
rx frequency 8270.1
file start time 2017-02-10 05:56:42.290
polynomial 16K21A
crc size 32
number of chars 2
block size 44
symbol period 30.000
number of symbols 1024
list length 2000000
start offset 209.375
freq offset 0.000000
cores 2
skipped 209.952323 seconds to start
initial reference phase 73.1
---------------------------------------------
found FB
list rank 1744086
reference phase   60   60   30   30
carrier RMS 1.434e-004 noise RMS 3.732e-005
carrier S/N 11.69 dB in 32.6 uHz
carrier Es/N0 -18.41 dB
carrier Eb/N0 1.13 dB
info bit period 2694.74 seconds
symbol error rate 448/1024 = 43.750 %
Es/N0 from symbol errors -19.0 dB
Eb/N0 from symbol errors 0.5 dB
Shannon capacity 2.5 bits/hour
Shannon efficiency 53.9 %
symbols file C:\Radio\EbNaut\VLF_EBNAUT\13feb2017-VLF\ebnaut10_FEB_1234_8270-nmea1pps-symbols.csv
elapsed 515 seconds

--
Alex RN3AUS

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