Return-Path: Received: from mtain-df06.r1000.mx.aol.com (mtain-df06.r1000.mx.aol.com [172.29.64.218]) by air-dc04.mail.aol.com (v129.4) with ESMTP id MAILINDC041-86004ccd5c17128; Sun, 31 Oct 2010 08:07:51 -0400 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-df06.r1000.mx.aol.com (Internet Inbound) with ESMTP id 33463380000B4; Sun, 31 Oct 2010 08:07:50 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1PCWft-00016l-Vo for rs_out_1@blacksheep.org; Sun, 31 Oct 2010 12:06:13 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1PCWft-00016c-HA for rsgb_lf_group@blacksheep.org; Sun, 31 Oct 2010 12:06:13 +0000 Received: from qmta15.westchester.pa.mail.comcast.net ([76.96.59.228]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1PCWfr-0004WN-Qb for rsgb_lf_group@blacksheep.org; Sun, 31 Oct 2010 12:06:13 +0000 Received: from omta20.westchester.pa.mail.comcast.net ([76.96.62.71]) by qmta15.westchester.pa.mail.comcast.net with comcast id RQ131f0011YDfWL5FQ65dt; Sun, 31 Oct 2010 12:06:05 +0000 Received: from JAYDELL ([76.23.233.102]) by omta20.westchester.pa.mail.comcast.net with comcast id RQ651f0012DDHkk3gQ65Nn; Sun, 31 Oct 2010 12:06:05 +0000 Message-ID: <000a01cb78f3$fdfc7d80$8d01a8c0@JAYDELL> From: To: References: <4CCD3F0B.7040902@iup.uni-heidelberg.de> <004501cb78f2$b4d8ffd0$4001a8c0@lark> Date: Sun, 31 Oct 2010 08:06:04 -0400 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-Spam-Score: 0.6 (/) X-Spam-Report: autolearn=disabled,NO_REAL_NAME=0.55 Subject: Re: VLF: QRN Content-Type: text/plain; format=flowed; charset="ISO-8859-2"; reply-type=original X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.3 required=5.0 tests=NO_REAL_NAME autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d40da4ccd5c151d4f X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none Content-Transfer-Encoding: quoted-printable 'Normal' signal levels across the VLF spectrum here this morning. Jay W1VD WD2XNS WE2XGR/2 ----- Original Message -----=20 From: "Alan Melia" To: Sent: Sunday, October 31, 2010 7:56 AM Subject: Re: VLF: QRN > 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 -----=20 > From: "Jacek Lipkowski" > To: > Sent: Sunday, October 31, 2010 10:26 AM > Subject: Re: VLF: QRN > > > On Sun, 31 Oct 2010, Stefan Sch=E4fer 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 work= s, 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