Return-Path: Received: from mtain-mb11.r1000.mx.aol.com (mtain-mb11.r1000.mx.aol.com [172.29.96.31]) by air-mf06.mail.aol.com (v129.4) with ESMTP id MAILINMF061-8bed4cd1c44b303; Wed, 03 Nov 2010 16:21:31 -0400 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mb11.r1000.mx.aol.com (Internet Inbound) with ESMTP id 18367380007CC; Wed, 3 Nov 2010 16:21:29 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1PDjoW-00040h-M8 for rs_out_1@blacksheep.org; Wed, 03 Nov 2010 20:20:08 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1PDjoW-00040Y-AI for rsgb_lf_group@blacksheep.org; Wed, 03 Nov 2010 20:20:08 +0000 Received: from smtp2.mail.ru ([94.100.176.130]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1PDjoT-0001lD-R0 for rsgb_lf_group@blacksheep.org; Wed, 03 Nov 2010 20:20:08 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mail.ru; s=mail; h=Content-Transfer-Encoding:Content-Type:MIME-Version:Date:Subject:References:To:From:Message-ID; bh=FQDlmXyUMngUcJFF1QJeh9wfAo09dhhpLMKvrQCajDc=; b=oXLRmC9nNIrcj22wLuhQOWy+hie7VvQTZF1dEbqB1Gr6HA9QFfdQoUtdZ7IdYJVq321akmO2sTgPWl+4zmBJb1Orz6uuGal+L4HN5yyVbWZgx9PB0QWFAVnEtVFWD3XQ; Received: from [79.98.8.6] (port=61843 helo=EFREMOV) by smtp2.mail.ru with asmtp id 1PDjoM-00012x-00 for rsgb_lf_group@blacksheep.org; Wed, 03 Nov 2010 23:19:58 +0300 X-Nat-Received: 172.16.10.160 Message-ID: <003601cb7b94$7bde8cf0$8cd9160a@EFREMOV> From: "rn3agc" To: References: <4CD1BD56.4030803@iup.uni-heidelberg.de> Date: Wed, 3 Nov 2010 23:19:10 +0300 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-Mras: Ok X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: VLF: Re: strange propagation effects on VLF Content-Type: text/plain; format=flowed; charset="ISO-8859-15"; reply-type=original Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none 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-SCOLL-AUTHENTICATION: mail_rly_antispam_dkim-m254.1 ; domain : mail.ru DKIM : pass x-aol-sid: 3039ac1d601f4cd1c449202b X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none Stefan, look also at my capture, there the same effect.. 73 Andrey > VLF, > > There are strange propagation effects going on on VLF in the last days. > I just observed that there was a significant _sudden_ rise/enhancement > of all the signal levels arround 12:15 UTC. This effect is observed on 3 > spectrograms, DF6NM's 4X1RF's(some minutes later) and DK7FC's grabber so > it cannot be an accident. See the pictures. > How can this be possible? It seems the autumn and winther period > provides some interesting effects there which are not completely > understood, at least by me ;-) > > 73, Stefan/DK7FC > >