Return-Path: Received: from mtain-mh03.r1000.mx.aol.com (mtain-mh03.r1000.mx.aol.com [172.29.96.215]) by air-dc07.mail.aol.com (v129.4) with ESMTP id MAILINDC071-86034c24e9f134e; Fri, 25 Jun 2010 13:40:01 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-mh03.r1000.mx.aol.com (Internet Inbound) with ESMTP id CD8B63800050F; Fri, 25 Jun 2010 13:39:59 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OSCrz-00027M-8C for rs_out_1@blacksheep.org; Fri, 25 Jun 2010 18:39:15 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OSCry-00027D-TA for rsgb_lf_group@blacksheep.org; Fri, 25 Jun 2010 18:39:14 +0100 Received: from smtp6.freeserve.com ([193.252.22.192]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OSCry-0007wf-9W for rsgb_lf_group@blacksheep.org; Fri, 25 Jun 2010 18:39:14 +0100 Received: from me-wanadoo.net (localhost [127.0.0.1]) by mwinf3624.me.freeserve.com (SMTP Server) with ESMTP id 6964270000AD for ; Fri, 25 Jun 2010 19:39:08 +0200 (CEST) Received: from me-wanadoo.net (localhost [127.0.0.1]) by mwinf3624.me.freeserve.com (SMTP Server) with ESMTP id 59FC870000BF for ; Fri, 25 Jun 2010 19:39:08 +0200 (CEST) Received: from MLB (unknown [91.108.176.241]) by mwinf3624.me.freeserve.com (SMTP Server) with SMTP id 1808070000AD for ; Fri, 25 Jun 2010 19:39:08 +0200 (CEST) X-ME-UUID: 20100625173908985.1808070000AD@mwinf3624.me.freeserve.com Message-ID: <7AF07D1077DD4E3BB747C76507077BB5@MLB> From: "Martin Evans." To: References: Date: Fri, 25 Jun 2010 18:39:04 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5931 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5931 X-Spam-Score: 3.4 (+++) X-Spam-Report: autolearn=disabled,FORGED_MUA_OUTLOOK=3.36 Subject: LF: Re: 137kHz transmitters 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-global-disposition: G x-aol-sid: 3039ac1d60d74c24e9ef5cc3 X-AOL-IP: 193.82.116.20 > 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.