Return-Path: Received: from rly-dc03.mx.aol.com (rly-dc03.mail.aol.com [172.19.136.32]) by air-dc03.mail.aol.com (v125.7) with ESMTP id MAILINDC032-b0f4acb292b1a8; Tue, 06 Oct 2009 07:25:45 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-dc03.mx.aol.com (v125.7) with ESMTP id MAILRELAYINDC033-b0f4acb292b1a8; Tue, 06 Oct 2009 07:25:33 -0400 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Mv8A5-0002pA-5T for rs_out_1@blacksheep.org; Tue, 06 Oct 2009 12:24:57 +0100 Received: from [83.244.159.144] (helo=relay3.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Mv8A4-0002p1-PH for rsgb_lf_group@blacksheep.org; Tue, 06 Oct 2009 12:24:56 +0100 Received: from ipmail05.adl2.internode.on.net ([203.16.214.145]) by relay3.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1Mv89t-00058D-48 for rsgb_lf_group@blacksheep.org; Tue, 06 Oct 2009 12:24:47 +0100 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AhAJAPvEykqWZXoy/2dsb2JhbACBS4kSuVQIjmqCMxAIgV8E X-IronPort-AV: E=Sophos;i="4.44,513,1249223400"; d="scan'208";a="449056656" Received: from ppp122-50.static.internode.on.net (HELO HPt680a) ([150.101.122.50]) by ipmail05.adl2.internode.on.net with SMTP; 06 Oct 2009 21:54:36 +1030 Message-ID: <4EA34C1D84624509BA88988D549DC2DA@HPt680a> From: "VK2ZTO" To: References: <7C7E8BA2E4774209B0F33D2E5FFABE2F@HPt680a>, <533316794.1254824265.716020824.98658@mcgi14.rambler.ru> <4ACB1D21.30499.1157C60@dave.davesergeant.com> Date: Tue, 6 Oct 2009 22:24:35 +1100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5843 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 X-Spam-Score: 3.4 (+++) X-Spam-Report: autolearn=disabled,FORGED_MUA_OUTLOOK=3.36 Subject: LF: Re: Re: What is on 499.993 kcs ? Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original 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=1.6 required=5.0 tests=FORGED_MUA_OUTLOOK 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 G'day Dave, Yes - I did that calculation but came up with 500002.81 Hz - not 499993 Hz. Still - that seems the most likely explanation as it is very stable. Thanks. 73 Steve VK2ZTO (VK2XV) ----- Original Message ----- From: "Dave Sergeant" To: Sent: Tuesday, October 06, 2009 9:34 PM Subject: LF: Re: What is on 499.993 kcs ? > > Or more likely the 32nd harmonic of the 15.625kHz TV line ocillator > rate. UK, UA and VK all use the 625 line PAL standard (though parts of > USSR are Secam). The line rate is actually locked to the colour > subcarrier of 4.43361875 MHz which may account for the 7Hz shift at > 500kHz. > > 73 Dave G3YMC > > http://www.davesergeant.com >