Return-Path: Received: from mtain-mp01.r1000.mx.aol.com (mtain-mp01.r1000.mx.aol.com [172.29.193.69]) by air-dc04.mail.aol.com (v129.4) with ESMTP id MAILINDC041-86004d304b4c2b9; Fri, 14 Jan 2011 08:10:36 -0500 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mp01.r1000.mx.aol.com (Internet Inbound) with ESMTP id EE4323800009A; Fri, 14 Jan 2011 08:10:34 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1PdjPP-00064R-Ky for rs_out_1@blacksheep.org; Fri, 14 Jan 2011 13:09:39 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1PdjPP-00064I-9x for rsgb_lf_group@blacksheep.org; Fri, 14 Jan 2011 13:09:39 +0000 Received: from imr-ma02.mx.aol.com ([64.12.206.40]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1PdjPN-0007HX-Dv for rsgb_lf_group@blacksheep.org; Fri, 14 Jan 2011 13:09:39 +0000 Received: from mtaout-db06.r1000.mx.aol.com (mtaout-db06.r1000.mx.aol.com [172.29.51.198]) by imr-ma02.mx.aol.com (8.14.1/8.14.1) with ESMTP id p0ED9Vqa018232 for ; Fri, 14 Jan 2011 08:09:31 -0500 Received: from [192.168.1.68] (unknown [92.8.196.185]) by mtaout-db06.r1000.mx.aol.com (MUA/Third Party Client Interface) with ESMTPA id E7400E00009C for ; Fri, 14 Jan 2011 08:09:30 -0500 (EST) From: g4gvw To: rsgb_lf_group@blacksheep.org Date: Fri, 14 Jan 2011 13:09:21 +0000 Message-Id: <1295010561.4164.7.camel@pat-compaq-evo> Mime-Version: 1.0 X-Mailer: Evolution 2.26.1 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: LF: Measurements Content-Type: text/plain 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: 3039ac1dc1454d304b4a2ba9 X-AOL-IP: 195.171.43.25 Hi Andy, Thanks for that description. I'm sure it teaches some of us a lot and gives food for thought. I'm curious about your clamp ammeter. Is it a dedicated instrument or a "probe type which uses another instrument for readout? -- 73 es gd dx de pat g4gvw qth nr felixstowe uk (east coast, county of suffolk)