Message-ID: <4CCD8987.7060709@iup.uni-heidelberg.de>
Date: Sun, 31 Oct 2010 16:21:43 +0100
From: =?ISO-8859-2?Q?Stefan_Sch=E4fer?= <schaefer@iup.uni-heidelberg.de>
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References: <4CCD3F0B.7040902@iup.uni-heidelberg.de> <Pine.LNX.4.64.1010311121180.7134@paranoid.lipkowski.org> <004501cb78f2$b4d8ffd0$4001a8c0@lark>
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Subject: Re: VLF: QRN
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Hi Alan,

Please see the lower window/capture at=20
http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_LF_DX_Grabber.html =20
The vertical strong lines there (0...4 UTC), may they come from this=20
flare, strongly affecting the signal levels for some short whiles?=20
Interesting...

73, Stefan

Am 31.10.2010 12:56, schrieb Alan Melia:
> Hi Jacek, interesting but there is no real cause for absorption at prese=
nt,
> and it would not affect groundwave. However there was a flare this morni=
ng
> at around 0400 0500z . This would have enhaced the skywave ay 225kHz  an=
d
> 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 Sch=E4fer wrote:
>
>   =20
>> The QRN on the Dreamers Band is as low as never before since i am
>>     =20
> monitoring
>   =20
>> the band. My DFCW-60 window is almost dark in the moment. [...]
>>     =20
> 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
>
>   =20