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Message-ID: <5255C6B3.3040403@iup.uni-heidelberg.de>
Date: Wed, 09 Oct 2013 23:12:19 +0200
From: =?ISO-8859-1?Q?Stefan_Sch=E4fer?= <Stefan.Schaefer@iup.uni-heidelberg.de>
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Subject: Re: LF: Signal detection question
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Am 09.10.2013 00:12, schrieb Markus Vester:
>  [...]
> I have been following your experiments with interest. Looking at the 
> two grabbers, Stefan was sometimes visible in Moonah but not (or at 
> least not much) in Orford. Not sure whether that's due to some 
> intrinsic noise in the Orford setup (then you might end up making 
> things worse by adding in Orford data), or Stefan being weakened by 
> the extra distance (then Orford data would still be useful to 
> partially null QRN).
Weakened by the extra distance of 27 km (+ 0.16 %) ?? :-)
No i think i am weakened by some Q decrease of my loding coil and that 
building, 
https://dl.dropboxusercontent.com/u/19882028/20130913_161536.jpg , which 
is now built up in 30m distance to the antenna :-(
Seems i will need a 3 phase PA (already thought about a H bridge out of 
STW25N95K3 
<https://dl.dropboxusercontent.com/u/19882028/Datenbl%C3%A4tter/STW25N95K3.pdf> 
:-) ) if i want to hold the level :-) Let us make a reference test (>=! 
200 uV/m) when they finished the buildings and dismantled the cranes...
Or, it is simply a worse propagation than last year??

73, Stefan/DK7FC


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Am 09.10.2013 00:12, schrieb Markus Vester:
<blockquote cite="mid:7DA570935EC8481A950D4B6845E2DA74@White"
 type="cite">
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  <div>&nbsp;[...]</div>
  <div><font face="Arial" size="2">I have been following your
experiments with interest. Looking at&nbsp;the two grabbers, Stefan was
sometimes visible in Moonah but not (or at least not much) in Orford.
Not sure whether that's due to some intrinsic noise in the&nbsp;Orford setup
(then you might end up making things worse by adding in Orford data),
or Stefan being weakened by the extra distance (then Orford data would
still be useful to partially null QRN). <br>
  </font></div>
</blockquote>
Weakened by<font size="2"><font face="Arial"> the extra distance of 27
km (+ 0.16 %) ?? :-) <br>
No i think i am weakened by some Q decrease of my loding coil and that
building,
<a class="moz-txt-link-freetext" href="https://dl.dropboxusercontent.com/u/19882028/20130913_161536.jpg">https://dl.dropboxusercontent.com/u/19882028/20130913_161536.jpg</a> ,
which is now built up in 30m distance to the antenna :-( <br>
Seems i will need a 3 phase PA (already thought about a H bridge out of
<a
 href="https://dl.dropboxusercontent.com/u/19882028/Datenbl%C3%A4tter/STW25N95K3.pdf">STW25N95K3</a>
:-) ) if i want to hold the level :-) Let us make a reference test
(&gt;=! 200 uV/m) when they finished the buildings and dismantled the
cranes...<br>
Or, it is simply a worse propagation than last year??<br>
<br>
73, Stefan/DK7FC<br>
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