Return-Path: Received: from mtain-de10.r1000.mx.aol.com (mtain-de10.r1000.mx.aol.com [172.29.64.210]) by air-db04.mail.aol.com (v129.4) with ESMTP id MAILINDB042-861e4c250e13a1; Fri, 25 Jun 2010 16:14:11 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-de10.r1000.mx.aol.com (Internet Inbound) with ESMTP id 298493800010D; Fri, 25 Jun 2010 16:14:05 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OSFGp-0005E7-FS for rs_out_1@blacksheep.org; Fri, 25 Jun 2010 21:13:03 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OSFGp-0005Dx-3p for rsgb_lf_group@blacksheep.org; Fri, 25 Jun 2010 21:13:03 +0100 Received: from smtp01.online.nl ([194.134.41.31]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OSFGo-00066I-Fw for rsgb_lf_group@blacksheep.org; Fri, 25 Jun 2010 21:13:03 +0100 Received: from smtp01.online.nl (localhost [127.0.0.1]) by smtp01.online.nl (Postfix) with ESMTP id 641AC8E328 for ; Fri, 25 Jun 2010 22:12:59 +0200 (CEST) Received: from pa3fnytrqxpddu (s5593e077.adsl.wanadoo.nl [85.147.224.119]) by smtp01.online.nl (Postfix) with SMTP for ; Fri, 25 Jun 2010 22:12:59 +0200 (CEST) From: To: Date: Fri, 25 Jun 2010 22:12:56 +0200 Message-ID: MIME-Version: 1.0 X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2911.0) In-Reply-To: <7AF07D1077DD4E3BB747C76507077BB5@MLB> Importance: Normal X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 X-Online-Scanned: by Cloudmark authority (on smtp01.online.nl) X-Spam-Score: 1.8 (+) X-Spam-Report: autolearn=disabled,NO_REAL_NAME=0.55,WEIRD_QUOTING=1.2 Subject: LF: RE: Re: 137kHz transmitters 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=1.6 required=5.0 tests=FROM_ENDS_IN_NUMS,NO_REAL_NAME, WEIRD_QUOTING 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: 3039ac1d40d24c250e0d1d59 X-AOL-IP: 193.82.116.20 very ""modern"" 74ls393 73 Victor PA3FNY -----Oorspronkelijk bericht----- Van: owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@blacksheep.org]Namens Martin Evans. Verzonden: vrijdag 25 juni 2010 19:39 Aan: rsgb_lf_group@blacksheep.org Onderwerp: LF: Re: 137kHz transmitters > 3560 and 3579kHz, both cheap crystals, divided by 26, give CW and QRSS > frequencies on 136/137kHz. What is the simplest and cheapest way of getting > divide by 26? > > 73s > Roger G3XBM Well, forty years ago the answer would have been a couple of 7490s, with which you could divide by any number twixt 2 and 100. Is there a modern equivalent I wonder? Martin GW3UCJ.