Return-Path: Received: from rly-me08.mx.aol.com (rly-me08.mail.aol.com [172.20.83.42]) by air-me08.mail.aol.com (v121_r2.12) with ESMTP id MAILINME084-9d248c8c5c3227; Thu, 11 Sep 2008 03:16:43 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-me08.mx.aol.com (v121_r2.11) with ESMTP id MAILRELAYINME086-9d248c8c5c3227; Thu, 11 Sep 2008 03:16:22 -0400 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1KdgOw-0002Li-KB for rs_out_1@blacksheep.org; Thu, 11 Sep 2008 08:15:38 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1KdgOw-0002LZ-3K for rsgb_lf_group@blacksheep.org; Thu, 11 Sep 2008 08:15:38 +0100 Received: from smtp2e.orange.fr ([80.12.242.111]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1KdgOt-0007ft-FC for rsgb_lf_group@blacksheep.org; Thu, 11 Sep 2008 08:15:38 +0100 Received: from me-wanadoo.net (localhost [127.0.0.1]) by mwinf2e02.orange.fr (SMTP Server) with ESMTP id 10B497000095 for ; Thu, 11 Sep 2008 09:15:25 +0200 (CEST) Received: from JR (Mix-Dijon-107-1-63.w193-248.abo.wanadoo.fr [193.248.0.63]) by mwinf2e02.orange.fr (SMTP Server) with ESMTP id C8600700009D for ; Thu, 11 Sep 2008 09:15:23 +0200 (CEST) X-ME-UUID: 20080911071523820.C8600700009D@mwinf2e02.orange.fr Message-ID: <200809110915230837.08DB562B@smtp.wanadoo.fr> In-Reply-To: <48C89A4D.5020008@telus.net> References: <48C89A4D.5020008@telus.net> X-Mailer: Courier 3.50.00.09.1098 (http://www.rosecitysoftware.com) (P) Date: Thu, 11 Sep 2008 09:15:23 +0200 From: "John RABSON" To: rsgb_lf_group@blacksheep.org X-Karma: -1000: sorbs.safe: if-match(0) => return-bad(1.0) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: AC Noise on RX... Content-Type: text/plain; charset="ISO-8859-1" 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-AOL-SCOLL-AUTHENTICATION: domain : post.thorcom.com ; SPF_helo = n X-AOL-SCOLL-AUTHENTICATION: domain : wanadoo.fr ; SPF_822_from = n How clean is the output of the mains PSU? 73 John F5VLF *********** REPLY SEPARATOR *********** On 10/09/2008 at 21:10 Scott Tilley wrote: >Hi All > >Been awhile since I've posted to the reflector. I'm pleased to announce >I have escaped the noisy clutches of the City and bought myself a nice >piece of land up the coast in a very quiet spot. > >Presently I'm only using my passive RX loop which has a single turn >'sense' loop for coupling into the main multi turn loop... When the RX >is connected to an AC power power supply I get terrible AC growlers; >however, put the RX on a battery and bang not a peep of nasty AC noise. > >I presume this is due to some coupling between the AC mains and the RX >system and my isolation transformer doesn't seem to help so I wonder if >someone could set me straight on what is going on here so I can solve >the problem. > >Thanks for any support! > >73 Scott >VE7TIL