Hi Jacek,
Well, i am looking on his VLF grabber at http://www.langwelle.at/ If i
remember correctly it is in about 10 km distance to him, so in the far
field and mostly affected by the groundwave (so less affected by
propagation effects). So his signal/ERP could be expressed by the color
scale visible there. Today it looks as if he hasn't used the balloon
antenna section.
If that distance to F4DTL was done was with the fxed antenna...
Impressing! But the QRN is as low as never observed since i am
monitoring VLF. In average i estimate 20 dB less than in summer. And the
times of low QRN is currently about 10 hours and 2...3 hours in summer! :-)
73, Stefan/DK7FC
Am 19.01.2011 19:46, schrieb Jacek Lipkowski:
On Wed, 19 Jan 2011, Stefan Schäfer wrote:
Yes, just see the grabbers! But the signal seems weak today. Probably
there is wind and no chance for the balloon antenna... I can see him
in my 6000 window but just about 10 dB weaker than on monday...
or propagation effects.
look at the waterfall for the last 3 days. 3 days ago the noise level
was very strong, and OE5ODL was strong too. today the noise is weak,
and Oswald's signal is very weak too.
of course we don't know if the output current and antenna is the same
every day
jacek
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