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Date: Thu, 03 Oct 2013 19:36:07 +0200
From: =?ISO-8859-1?Q?Stefan_Sch=E4fer?= <Stefan.Schaefer@iup.uni-heidelberg.de>
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Subject: Re: LF: No TA on MF :-(
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Am 02.10.2013 15:39, schrieb Bob Raide:
> I found that 500 comes alive when temperatures drop and ground cools.
Yes indeed, i also guess that it's not only the lower QRN levels but 
also the ground temperature. At least if a significant portion of the 
path is land, then there could be some dependency.

> I am surprised that LF works so well with these summer temps.
Yes, LF is the real challenge :-)
630m is more or less the same almost any night, with ranges up to 
arround 2000km. BUT we know that there are some rare propagation events 
that one can call a miracle :-)

73, Stefan/DK7FC

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Am 02.10.2013 15:39, schrieb Bob Raide:
<blockquote cite="mid:BLU180-W5396963B3B6847AAF899FEAC160@phx.gbl"
 type="cite">
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  <div dir="ltr">I found that 500 comes alive when temperatures drop
and ground cools. <br>
  </div>
</blockquote>
Yes indeed, i also guess that it's not only the lower QRN levels but
also the ground temperature. At least if a significant portion of the
path is land, then there could be some dependency.<br>
<br>
<blockquote cite="mid:BLU180-W5396963B3B6847AAF899FEAC160@phx.gbl"
 type="cite">
  <div dir="ltr"> I am surprised that LF works so well with these
summer&nbsp;temps.&nbsp;</div>
</blockquote>
Yes, LF is the real challenge :-) <br>
630m is more or less the same almost any night, with ranges up to
arround 2000km. BUT we know that there are some rare propagation events
that one can call a miracle :-)<br>
<br>
73, Stefan/DK7FC<br>
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