Return-Path: Received: from rly-dd09.mx.aol.com (rly-dd09.mail.aol.com [172.19.141.156]) by air-dd03.mail.aol.com (v126.13) with ESMTP id MAILINDD034-b9c4b1b89bd2c1; Sun, 06 Dec 2009 05:39:02 -0500 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-dd09.mx.aol.com (v125.7) with ESMTP id MAILRELAYINDD096-b9c4b1b89bd2c1; Sun, 06 Dec 2009 05:38:54 -0500 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1NHEVB-0003pF-QC for rs_out_1@blacksheep.org; Sun, 06 Dec 2009 10:38:05 +0000 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1NHEVB-0003p6-EY for rsgb_lf_group@blacksheep.org; Sun, 06 Dec 2009 10:38:05 +0000 Received: from smtp-vbr12.xs4all.nl ([194.109.24.32]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1NHEVA-0005sS-SB for rsgb_lf_group@blacksheep.org; Sun, 06 Dec 2009 10:38:05 +0000 Received: from webmail.xs4all.nl (dovemail11.xs4all.nl [194.109.26.13]) by smtp-vbr12.xs4all.nl (8.13.8/8.13.8) with ESMTP id nB6Abt1T000451 for ; Sun, 6 Dec 2009 11:38:04 +0100 (CET) (envelope-from roelof@ndb.demon.nl) Received: from 82.161.81.65 (SquirrelMail authenticated user pa0rdt) by webmail.xs4all.nl with HTTP; Sun, 6 Dec 2009 11:38:04 +0100 Message-ID: <6f6323b4ef15ccb35053e16372a12d8e.squirrel@webmail.xs4all.nl> In-Reply-To: <4B1AB45C.8080403@ukonline.co.uk> References: <38A51B74B884D74083D7950AD0DD85E828AAF4@File-Server-HST.hst.e-technik.tu-darmstadt.de> <1259777260.4b16acec27aa8@imp.netikka.net> <4B179D08.3030706@ukonline.co.uk> <4B1AB45C.8080403@ukonline.co.uk> Date: Sun, 6 Dec 2009 11:38:04 +0100 From: "Roelof Bakker" To: rsgb_lf_group@blacksheep.org User-Agent: SquirrelMail/1.4.18 MIME-Version: 1.0 X-Virus-Scanned: by XS4ALL Virus Scanner X-Karma: unknown: X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: reducing common-mode noise Content-Type: text/plain;charset=iso-8859-1 Content-Transfer-Encoding: 8bit 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-IP: 193.82.116.20 X-Mailer: Unknown (No Version) Hello Peter, Thank you for your answer. I have used one at the input of a broadband pre-amplifier for a MW Dx-er and it reduced the noise and signals received on a 50 m long coaxial feedline of a KAZ antenna and also restored the directional pattern. 73, Roelof, pa0rdt