Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mp06.r1000.mx.aol.com (Internet Inbound) with ESMTP id 9270838000082; Sun, 4 Mar 2012 06:19:37 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1S49Sd-0006ce-AF for rs_out_1@blacksheep.org; Sun, 04 Mar 2012 11:18:43 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1S49Sc-0006cV-QL for rsgb_lf_group@blacksheep.org; Sun, 04 Mar 2012 11:18:42 +0000 Received: from relay2.uni-heidelberg.de ([129.206.210.211]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1S49Sb-0000gj-B9 for rsgb_lf_group@blacksheep.org; Sun, 04 Mar 2012 11:18:42 +0000 Received: from freitag.iup.uni-heidelberg.de (freitag.iup.uni-heidelberg.de [129.206.29.204]) by relay2.uni-heidelberg.de (8.13.8/8.13.8) with ESMTP id q24BIerS001824 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sun, 4 Mar 2012 12:18:41 +0100 Received: from [129.206.22.206] (pc206.iup.uni-heidelberg.de [129.206.22.206]) by freitag.iup.uni-heidelberg.de (8.12.11.20060308/8.11.2) with ESMTP id q24BIeid008514 for ; Sun, 4 Mar 2012 12:18:40 +0100 Message-ID: <4F534F59.1050306@iup.uni-heidelberg.de> Date: Sun, 04 Mar 2012 12:17:45 +0100 From: =?ISO-8859-1?Q?Stefan_Sch=E4fer?= User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.1.8) Gecko/20100227 Thunderbird/3.0.3 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <12959492286D45E9BB24E80CE57644CD@AGB>, <4F52C0BB.3010505@iup.uni-heidelberg.de> <4F533C5B.14115.450D3B1@mike.dennison.ntlworld.com> In-Reply-To: <4F533C5B.14115.450D3B1@mike.dennison.ntlworld.com> X-Spam-Score: 1.4 (+) X-Spam-Report: autolearn=disabled,RATWARE_GECKO_BUILD=1.426 Subject: Re: LF: Permissible QSY limits for 136 Content-Type: text/plain; charset=ISO-8859-1; format=flowed 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-SCORE: 0:2:464086752:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1dc14a4f534fc872fd X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none Hi Mike, Am 04.03.2012 10:56, schrieb Mike Dennison: > [...] > The original question referred to SWR, which in most cases is > irrelevant. In practice, my PA makes worrying noises when the antenna > detunes by only a couple of hundred Hertz. > > Mike, G3XDV Here, the stepless temperture controlled fan of my PA is standing still when i'm on resonance. But 10 or 20 Hz QSY (automatic variometer OFF) make it start to run... 73, Stefan/DK7FC