X-GM-THRID: 1206921322453159741 X-Gmail-Labels: rsgb lf X-Gmail-Received: 6bbe7005d84071e0134a69b3b47550464ea1ad5a Delivered-To: daveyxm@gmail.com Received: by 10.54.127.17 with SMTP id z17cs34306wrc; Thu, 22 Jun 2006 13:57:47 -0700 (PDT) Received: by 10.49.59.5 with SMTP id m5mr1772267nfk; Thu, 22 Jun 2006 13:57:47 -0700 (PDT) Return-Path: Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mx.gmail.com with ESMTP id x24si1654051nfb.2006.06.22.13.57.46; Thu, 22 Jun 2006 13:57:47 -0700 (PDT) Received-SPF: neutral (gmail.com: 193.82.116.20 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1FtWCV-00029b-8c for rs_out_1@blacksheep.org; Thu, 22 Jun 2006 21:54:55 +0100 Received: from [193.82.59.130] (helo=relay2.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1FtWCU-00029S-Sa for rsgb_lf_group@blacksheep.org; Thu, 22 Jun 2006 21:54:54 +0100 Received: from smarthost4.mail.uk.easynet.net ([212.135.6.14]) by relay2.thorcom.net with esmtp (Exim 4.51) id 1FtWCQ-0003Bd-20 for rsgb_lf_group@blacksheep.org; Thu, 22 Jun 2006 21:54:54 +0100 Received: from tnt-5-245.easynet.co.uk ([195.40.200.245] helo=captbrian) by smarthost4.mail.uk.easynet.net with smtp (Exim 4.10) id 1FtWBB-000KI9-00 for rsgb_lf_group@blacksheep.org; Thu, 22 Jun 2006 21:53:34 +0100 Message-ID: <00bc01c6963d$df5b1e60$3d1a86d4@captbrian> From: "captbrian" To: References: <000001c69140$d0843ea0$e6a4c593@RD40002> Date: Thu, 22 Jun 2006 21:52:56 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: LF: where is 1st. harmonic Content-Type: text/plain; charset="iso-8859-1" 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 Status: O X-Status: X-Keywords: X-UID: 5469 The fundamental is not a harmonic so the first one is at twice the fundamental freq. Why do people call it the second one? This has puzzled me since I was about 17 (just before the flood) Bryan G3GVB ----- Original Message ----- From: "james moritz" To: Sent: 16 June 2006 13:31 Subject: LF: RE: PAs Dear Uwe, LF Group, It certainly would be worth investigating where the apparent second harmonic distortion is coming from -