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From: Alex K <rn3aus@gmail.com>
Date: Tue, 14 Feb 2017 11:58:32 +0300
Message-ID: <CAGZ2MybHvQfRwPTSXY29+2emcoo1hoMFVR19Pe+M=R04hzzgew@mail.gmail.com>
To: rsgb_lf_group@blacksheep.org, rsgb_lf_group@yahoogroups.co.uk
Subject: LF: Re: DK7FC EbNaut message on 8270.1 Hz decoded nr Moscow by RN3AUS
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Correction: QRB=1990 km
http://no.nonsense.ee/qth/map.html?qth=KO85HA&from=jn49ik00


2017-02-14 11:40 GMT+03:00 Alex K <rn3aus@gmail.com>:

> 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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<div dir=3D"ltr">Correction: QRB=3D1990 km<br><a href=3D"http://no.nonsense=
.ee/qth/map.html?qth=3DKO85HA&amp;from=3Djn49ik00" target=3D"_blank" rel=3D=
"noopener">http://no.nonsense.ee/qth/map.html?qth=3DKO85HA&amp;from=3Djn49i=
k00</a> <br><br></div><div class=3D"gmail_extra"><br><div class=3D"gmail_qu=
ote">2017-02-14 11:40 GMT+03:00 Alex K <span dir=3D"ltr">&lt;<a href=3D"mai=
lto:rn3aus@gmail.com" target=3D"_blank">rn3aus@gmail.com</a>&gt;</span>:<br=
><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1=
px #ccc solid;padding-left:1ex"><div dir=3D"ltr">Hello VLF, Stefan!<br>I am=
 glad to report that EbNaut signal DK7FC at February=20
10, 2017 06:00 UTC, frequency 8270.1 Hz, was successfully rcvd and=20
decoded by RN3AUS. QRB=3D1900 km.<br>TX: 700 mA antenna current<br>RX: E-pr=
obe MidiWhip and NMEA+1PPS GPS disciplined sound card with SpecLab.<br>It i=
s first message from DL to RU on VLF Dreamers Band!<br><br>My congratulatio=
n to Stefan!<br>Also this result would not be possible without very useful =
councils and utilities of Markus=C2=A0 DF6NM, the wonderful=C2=A0 SpecLab p=
rogram of<font size=3D"4"> </font>Wolfgang DL4YHF=C2=A0 and absolutely fant=
astic EbNaut of Paul Nicholson. My deepest respect!<br>73 de rn3aus/Alex<br=
>------------------------------<wbr>----------------<br>ebnaut-rx V0.5<br>i=
nput file C:\Radio\EbNaut\VLF_EBNAUT\<wbr>13feb2017-VLF\ebnaut10_FEB_<wbr>1=
234_8270-nmea1pps.wav<br>sample rate 0.342935 per second<br>rx frequency 82=
70.1<br>file start time 2017-02-10 05:56:42.290<br>polynomial 16K21A<br>crc=
 size 32<br>number of chars 2<br>block size 44<br>symbol period 30.000<br>n=
umber of symbols 1024<br>list length 2000000<br>start offset 209.375<br>fre=
q offset 0.000000<br>cores 2<br>skipped 209.952323 seconds to start<br>init=
ial reference phase 73.1<br>------------------------------<wbr>------------=
---<br>found <strong>FB</strong><br>list rank 1744086<br>reference phase=C2=
=A0=C2=A0 60=C2=A0=C2=A0 60=C2=A0=C2=A0 30=C2=A0=C2=A0 30<br>carrier RMS 1.=
434e-004 noise RMS 3.732e-005<br>carrier S/N 11.69 dB in 32.6 uHz<br>carrie=
r Es/N0 -18.41 dB<br>carrier Eb/N0 1.13 dB<br>info bit period 2694.74 secon=
ds<br>symbol error rate 448/1024 =3D 43.750 %<br>Es/N0 from symbol errors -=
19.0 dB<br>Eb/N0 from symbol errors 0.5 dB<br>Shannon capacity 2.5 bits/hou=
r<br>Shannon efficiency 53.9 %<br>symbols file C:\Radio\EbNaut\VLF_EBNAUT\<=
wbr>13feb2017-VLF\ebnaut10_FEB_<wbr>1234_8270-nmea1pps-symbols.csv<br>elaps=
ed 515 seconds<span class=3D"HOEnZb"><font color=3D"#888888"><br><br>-- <br=
>Alex RN3AUS</font></span></div>
</blockquote></div><br></div>

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