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Date: Fri, 15 Dec 2017 11:13:47 +0100
From: DK7FC <selberdenken@posteo.de>
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In-Reply-To: <CANA3B6VbLiEqPKd0tjdUx4gatggv4sqamkwoPvL=mfmm=RFrtw@mail.gmail.com>
Subject: Re: LF: EbNaut test at 8270.00332 from JN64bw
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Hello Riccardo,

I'm sorry, i can't watch out for you in the moment. My tree is not 
available. It seems to have a problem. I need to maintain it soon. But 
there is only rain :-(

I see your antenna current is rising daily. Be careful!

For better EbNaut results i would recommend to use a longer transmit 
time. If you expect to be copied in a range of 1500 km, you could start 
transmitting at 15...7 UTC these days, i.e. 16 hours, because these are 
the longest nights in the year now. So you could go to 60 second symbols 
and gain 3 dB.
Do you have a safety system that stopps the transmission if something 
happens? How do you sleep at night when the TX is running? :-)

73, Stefan

PS: Yes, VLF is a wonderful place to play in. And the best: It never 
stops. The wavelength you are surfing on can reach an infinite length :-)

Am 14.12.2017 21:55, schrieb Riccardo Zoli:
>
> Hi Paul, Stefan, Jacek, VLF
>
> I'm on air with continuous carrier at the same QRG until 21:30 UTC, then:
>
>
> *f = 8270.00332 Hz
> Start time: 21:30:00 UTC
> Symbol period: 30 s
> Characters: 3 (repeated)
> CRC bits: 24
> Coding 16K21A
> Duration: 8h,16min
> Antenna current: 390 mA*
> *
> *
>
> Thanks Paul for your explanation.
> It's all true! I thought it was so hard to do. But it wasn't! :-)
> In my view, VLF are probably the most wonderful experience in my ham 
> activity.
>
>
> 73 de Riccardo IW4DXW
>

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Hello Riccardo, <br>
<br>
I'm sorry, i can't watch out for you in the moment. My tree is not
available. It seems to have a problem. I need to maintain it soon. But
there is only rain :-(<br>
<br>
I see your antenna current is rising daily. Be careful! <br>
<br>
For better EbNaut results i would recommend to use a longer transmit
time. If you expect to be copied in a range of 1500 km, you could start
transmitting at 15...7 UTC these days, i.e. 16 hours, because these are
the longest nights in the year now. So you could go to 60 second
symbols and gain 3 dB.<br>
Do you have a safety system that stopps the transmission if something
happens? How do you sleep at night when the TX is running? :-)<br>
<br>
73, Stefan<br>
<br>
PS: Yes, VLF is a wonderful place to play in. And the best: It never
stops. The wavelength you are surfing on can reach an infinite length
:-)<br>
<br>
Am 14.12.2017 21:55, schrieb Riccardo Zoli:
<blockquote
 cite="mid:CANA3B6VbLiEqPKd0tjdUx4gatggv4sqamkwoPvL=mfmm=RFrtw@mail.gmail.com"
 type="cite">
  <div dir="auto">
  <div dir="auto"><br>
  </div>
  <div dir="auto">Hi Paul, Stefan, Jacek, VLF</div>
  <div dir="auto"><br>
  </div>
  <div dir="auto">I'm on air with continuous carrier at the same QRG
until 21:30 UTC, then:</div>
  <div dir="auto"><br>
  </div>
  <div dir="auto"><br>
  </div>
  <div dir="auto"><b style="font-family: sans-serif; font-size: 14px;">f
= 8270.00332 Hz<br>
Start time: 21:30:00 UTC<br>
Symbol period: 30 s<br>
Characters: 3 (repeated)<br>
CRC bits: 24<br>
Coding 16K21A<br>
Duration: 8h,16min<br>
Antenna current: 390 mA</b><br>
  </div>
  <div dir="auto"><b style="font-family: sans-serif; font-size: 14px;"><br>
  </b></div>
  <div dir="auto"><br>
  </div>
  <div dir="auto">Thanks Paul for your explanation.</div>
  <div dir="auto">It's all true! I thought it was so hard to do. But it
wasn't! :-)</div>
  <div dir="auto">In my view, VLF are probably the most wonderful
experience in my ham activity.</div>
  <div dir="auto"><br>
  </div>
  <div dir="auto"><br>
  </div>
  <div dir="auto">73 de Riccardo IW4DXW</div>
  <br>
  </div>
</blockquote>
</body>
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