Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-ma03.r1000.mx.aol.com (Internet Inbound) with ESMTP id 309293800014A; Thu, 11 Oct 2012 13:42:20 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1TMMQt-0003Oq-G5 for rs_out_1@blacksheep.org; Thu, 11 Oct 2012 18:20:27 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1TMMQt-0003Oh-3g for rsgb_lf_group@blacksheep.org; Thu, 11 Oct 2012 18:20:27 +0100 Received: from relay.uni-heidelberg.de ([129.206.100.212]) by relay1.thorcom.net with esmtps (TLSv1:AES256-SHA:256) (Exim 4.77) (envelope-from ) id 1TMMQr-0007aL-GF for rsgb_lf_group@blacksheep.org; Thu, 11 Oct 2012 18:20:26 +0100 Received: from freitag.iup.uni-heidelberg.de (freitag.iup.uni-heidelberg.de [129.206.29.204]) by relay.uni-heidelberg.de (8.14.1/8.14.1) with ESMTP id q9BHKO4X010656 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Thu, 11 Oct 2012 19:20:24 +0200 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 q9BHKN3X028718 for ; Thu, 11 Oct 2012 19:20:23 +0200 Message-ID: <5076FFCE.2040803@iup.uni-heidelberg.de> Date: Thu, 11 Oct 2012 19:20:14 +0200 From: =?ISO-8859-15?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: <50731B6C.2060506@iup.uni-heidelberg.de> <201210091526.52793.smtp01@email.it> <50745EC1.1090402@iup.uni-heidelberg.de> <201210111907.56379.smtp01@email.it> In-Reply-To: <201210111907.56379.smtp01@email.it> X-Spam-Score: -2.8 (--) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Thanks Claudio. I just installed a newer power supply for the probe, which runs at 15V instead of 12V. This should rise the clipping points a bit. Samlls steps... There are some occasional QRM traces on the grabber in the afternoon but the main IM and probe problem is solved now. [...] Content analysis details: (-2.8 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [129.206.100.212 listed in list.dnswl.org] -2.1 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain X-Scan-Signature: 59677119386dcf9f1872cb454dc1331d Subject: Re: LF: active antenna output termination? Content-Type: text/plain; charset=ISO-8859-15; 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-sid: 3039ac1d600b507704fb6343 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none Thanks Claudio. I just installed a newer power supply for the probe, which runs at 15V instead of 12V. This should rise the clipping points a bit. Samlls steps... There are some occasional QRM traces on the grabber in the afternoon but the main IM and probe problem is solved now. Am 11.10.2012 19:07, schrieb Claudio Pozzi: > [...] > > p.s. See also the M0BMU preamplifier schematic output transistor in "Bandpass > Receiving Loop Antennas". > Yes i know it off by heart :-) 73, Stefan/DK7FC