Message-ID: <5C7467D8.2080304@posteo.de>
Date: Mon, 25 Feb 2019 23:10:32 +0100
From: DK7FC <selberdenken@posteo.de>
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To: rsgb_lf_group@blacksheep.org
References: <752184680.4363593.1551025143826.ref@mail.yahoo.com> <752184680.4363593.1551025143826@mail.yahoo.com> <CANA3B6W7F_fHGLCELkGZrhwgu8tpvAmyOFRgDPRKBwgpCbHvWw@mail.gmail.com>
In-Reply-To: <CANA3B6W7F_fHGLCELkGZrhwgu8tpvAmyOFRgDPRKBwgpCbHvWw@mail.gmail.com>
Subject: Re: VLF: 8269.997 Hz
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Hello Riccardo,

Thank you for the transmission in daylight. It was interesting to 
compare the different antennas. I analysed just two hours centered at 12 
UTC and looked on all 3 antennas separately.

E field: 15.16 dB SNR (in 138.9 uHz)
NE loop: 17.61 dB
NW loop:  -0.2 dB

mixing both H field antennas:
NE+0.2*NW: 18.58 dB

Adding the E field:
NE+0.2*NW+0.4*E(rotated by -30 deg): *19.10 dB in 138.9 uHz*

Then, 4 hours centered at 12 UTC gives *22.09 dB in 69.4 uHz*.
And 8 hours centered at 12 UTC gives *24.99 dB in 34.7 uHz*

Between 8 and 16 UTC you could have transferred a 50 character EbNaut 
message over to my RX!

73, Stefan


Am 25.02.2019 14:10, schrieb Riccardo Zoli:
>
> Markus, VLF
>
> Yes, indeed: with DL0AO and Stefan's RDF there are no doubt :-)
> Yesterday the carrier was produced feeding my antenna with about 650mA 
> but I think the noise was too high to attempt an EbNaut transmission.
>
>
> All the best
>
> 73 de Riccardo IW4DXW
>
>
>
> Il giorno Dom 24 Feb 2019, 17:21 Markus Vester <markusvester@aol.com 
> <mailto:markusvester@aol.com>> ha scritto:
>
>     Looks like Riccardo is sending a carrier on 8269.997 today.
>
>     Good luck,
>     Markus
>

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Hello Riccardo, <br>
<br>
Thank you for the transmission in daylight. It was interesting to
compare the different antennas. I analysed just two hours centered at
12 UTC and looked on all 3 antennas separately.<br>
<br>
E field: 15.16 dB SNR (in 138.9 uHz)<br>
NE loop: 17.61 dB<br>
NW loop:  -0.2 dB<br>
<br>
mixing both H field antennas:<br>
NE+0.2*NW: 18.58 dB<br>
<br>
Adding the E field:<br>
NE+0.2*NW+0.4*E(rotated by -30 deg): <b>19.10 dB in 138.9 uHz</b><br>
<br>
Then, 4 hours centered at 12 UTC gives <b>22.09 dB in 69.4 uHz</b>.<br>
And 8 hours centered at 12 UTC gives <b>24.99 dB in 34.7 uHz</b><br>
<br>
Between 8 and 16 UTC you could have transferred a 50 character EbNaut
message over to my RX! <br>
<br>
73, Stefan<br>
<br>
<br>
<br>
Am 25.02.2019 14:10, schrieb Riccardo Zoli:
<blockquote
 cite="mid:CANA3B6W7F_fHGLCELkGZrhwgu8tpvAmyOFRgDPRKBwgpCbHvWw@mail.gmail.com"
 type="cite">
  <div dir="auto">
  <div dir="auto"><br>
  </div>
  <div dir="auto">Markus, VLF</div>
  <div dir="auto"><br>
  </div>
  <div dir="auto">Yes, indeed: with DL0AO and Stefan's RDF there are no
doubt :-)</div>
  <div dir="auto">Yesterday the carrier was produced feeding my antenna
with about 650mA but I think the noise was too high to attempt an
EbNaut transmission.</div>
  <div dir="auto"><br>
  </div>
  <div dir="auto"><br>
  </div>
  <div dir="auto">All the best</div>
  <div dir="auto"><br>
  </div>
  <div dir="auto">73 de Riccardo IW4DXW</div>
  <div dir="auto"><br>
  </div>
  <br>
  <br>
  <div class="gmail_quote" dir="auto">
  <div dir="ltr">Il giorno Dom 24 Feb 2019, 17:21 Markus Vester &lt;<a
 moz-do-not-send="true" href="mailto:markusvester@aol.com"
 rel="noreferrer noreferrer" target="_blank">markusvester@aol.com</a>&gt;
ha scritto:<br>
  </div>
  <blockquote class="gmail_quote"
 style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
    <div
 style="font-size: 10pt; font-family: arial,helvetica,sans-serif; color: black;">
    <div
 style="color: black; font-family: arial,helvetica,sans-serif; font-size: 10pt;">Looks
like Riccardo is sending a carrier on 8269.997 today.<br>
    <br>
Good luck,<br>
Markus <br>
    </div>
    </div>
  </blockquote>
  </div>
  </div>
</blockquote>
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