Return-Path: X-Spam-DCC: paranoid 1002; Body=2 Fuz1=2 Fuz2=2 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00 autolearn=unavailable version=3.1.3 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by paranoid.lipkowski.org (8.13.7/8.13.7) with ESMTP id sB2ICuFO006304 for ; Tue, 2 Dec 2014 19:12:58 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1XvrqJ-0000Ud-2c for rs_out_1@blacksheep.org; Tue, 02 Dec 2014 18:06:31 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1XvrqI-0000UU-RE for rsgb_lf_group@blacksheep.org; Tue, 02 Dec 2014 18:06:30 +0000 Received: from lb1-smtp-cloud6.xs4all.net ([194.109.24.24]) by relay1.thorcom.net with esmtps (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.84) (envelope-from ) id 1XvrqF-00050x-G9 for rsgb_lf_group@blacksheep.org; Tue, 02 Dec 2014 18:06:29 +0000 Received: from pc-roelof ([82.161.81.65]) by smtp-cloud6.xs4all.net with ESMTP id Ni6Q1p00F1QZTzE01i6RxH; Tue, 02 Dec 2014 19:06:26 +0100 To: rsgb_lf_group@blacksheep.org References: <547C65A9.13517.C38DF3@mike.dennison.ntlworld.com> <2C04F77BFB524BE38D952DD2C8D5AD7E@AGB> Date: Tue, 02 Dec 2014 19:06:24 +0100 MIME-Version: 1.0 From: "Roelof Bakker" Message-ID: In-Reply-To: <2C04F77BFB524BE38D952DD2C8D5AD7E@AGB> User-Agent: Opera Mail/1.0 (Win32) X-Scan-Signature: 5c1f37c04fc013ebbc2288fd3791d043 Content-Type: text/plain; charset=iso-8859-15; format=flowed; delsp=yes Subject: Re: LF: VO1NA on 477kHz last night Content-Transfer-Encoding: 7bit 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-Scanned-By: MIMEDefang 2.56 on 10.1.3.10 Status: O X-Status: X-Keywords: X-UID: 1395 Graham, Thanks for the info regarding immunity to static for OP8. > I noticed last night, high background noise , and Joe's signal > dropped at one point , that may of been a Ae change ? The Kyoto Dst dropped at 22:00 UTC from +17 to -1. -1 does in no way correlate to bad propagation; this is more the case for a Dst < -20. However, I have often observed when the Dst does change very little, conditions are good. It seems irrelevant if this is the case with a Dst of e.g -15 or +5. My feeling is that abrupt negative changes in the Dst call for poor propagation. Propagation can change very abrupt, just like a curtain being closed or opened. 73, Roelof