Re: VLF: QRN

[Stefan Schäfer <schaefer@iup.uni-heidelberg.de>]

Hi Alan,

Please see the lower window/capture at 
http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_LF_DX_Grabber.html  
The vertical strong lines there (0...4 UTC), may they come from this 
flare, strongly affecting the signal levels for some short whiles? 
Interesting...
73, Stefan

Am 31.10.2010 12:56, schrieb Alan Melia:
> Hi Jacek, interesting but there is no real cause for absorption at present,
> and it would not affect groundwave. However there was a flare this morning
> at around 0400 0500z . This would have enhaced the skywave ay 225kHz  and
> perhaps lead to destructive interference with the groundwave??
> Alan G3NYK
>
> ----- Original Message -----
> From: "Jacek Lipkowski"<sq5bpf@lipkowski.org>
> To:<rsgb_lf_group@blacksheep.org>
> Sent: Sunday, October 31, 2010 10:26 AM
> Subject: Re: VLF: QRN
>
>
> On Sun, 31 Oct 2010, Stefan Schäfer wrote:
>
>    
> > The QRN on the Dreamers Band is as low as never before since i am
> >      
> monitoring
>    
> > the band. My DFCW-60 window is almost dark in the moment. [...]
> >      
> there seems to be increased absorption right now, maybe due to solar
> x-rays. i've just tried to show my daughter how a crystal radio works, and
> can barely receive Warsaw 1 on 225kHz (with active antenna and tuned
> circut). normally i would receive several stations with just a diode and
> low-impedance headphones.
>
> jacek
>
>