Return-Path: Received: from mtain-di08.r1000.mx.aol.com (mtain-di08.r1000.mx.aol.com [172.29.64.12]) by air-md03.mail.aol.com (v129.4) with ESMTP id MAILINMD033-8b7e4c24e9612a2; Fri, 25 Jun 2010 13:37:37 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-di08.r1000.mx.aol.com (Internet Inbound) with ESMTP id 464C838000485; Fri, 25 Jun 2010 13:37:29 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OSCpe-0001tN-0a for rs_out_1@blacksheep.org; Fri, 25 Jun 2010 18:36:50 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OSCpd-0001tD-Hs for rsgb_lf_group@blacksheep.org; Fri, 25 Jun 2010 18:36:49 +0100 Received: from mail-bw0-f43.google.com ([209.85.214.43]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OSCpc-0007qZ-Bx for rsgb_lf_group@blacksheep.org; Fri, 25 Jun 2010 18:36:49 +0100 Received: by bwz15 with SMTP id 15so1961321bwz.16 for ; Fri, 25 Jun 2010 10:36:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:content-type; bh=OpJOaFbTxM+QEtR3H2wBadvVr1TMkhMTZlD3rykAfsI=; b=dTps5SPNOsltzPzvbK8vcwOPK2HYRJIhSeUFXfDvbEuDD33gdXJbvijDtGqLMLE51Y G8l7JcN8Bfp4dLCsFLDhtYA0k3engP9MTnFrq43h7gYw5/ZpxrUZDngNbJMPhzDFIKfA 3iw/vRwzpIViYzWkzfCeWoHkPRo8Z2bPr4Bm8= DomainKey-Signature: a=rsa-sha1; c=nofws; d=googlemail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=YxsalMRLZJAj2T2od8YgiEsan4/PD9xT7GjZqTaFYP5lkI1L7180tG7gD5qmwxFsTH IyPf6TaUCNuEVXyEjRgRqXGNtn2DxYpOTIvcQQwO+ksU/WnCM9537l7NIJ0pdiStD5CV pH/JlvNWzn7fhTP8fJJkyP12i2fMrCtxbauh4= MIME-Version: 1.0 Received: by 10.204.74.10 with SMTP id s10mr756251bkj.26.1277487407248; Fri, 25 Jun 2010 10:36:47 -0700 (PDT) Received: by 10.204.67.18 with HTTP; Fri, 25 Jun 2010 10:36:47 -0700 (PDT) In-Reply-To: References: Date: Fri, 25 Jun 2010 18:36:47 +0100 Message-ID: From: Andy Talbot To: rsgb_lf_group@blacksheep.org DomainKey-Status: good (testing) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: Re: LF: 137kHz transmitters Content-Type: multipart/alternative; boundary=0016e6d976351d3e7a0489de37eb X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.9 required=5.0 tests=HTML_30_40, HTML_FONTCOLOR_UNSAFE,HTML_MESSAGE 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-SCOLL-AUTHENTICATION: mail_rly_antispam_dkim-m255.2 ; domain : googlemail.com DKIM : pass x-aol-sid: 3039ac1d400c4c24e9593b41 X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) --0016e6d976351d3e7a0489de37eb Content-Type: text/plain; charset=ISO-8859-1 A pair of old fashioned 74xx161 devices (inverter needed, too) Hardwire a preset loaded values of (256 - N), it counts up from that and reloads the preset value when the count rolls over from 255 to 0 Andy www.g4jnt.com On 25 June 2010 18:29, Roger Lapthorn wrote: > 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 > > -- > http://g3xbm-qrp.blogspot.com/ > http://www.g3xbm.co.uk > http://www.youtube.com/user/g3xbm > G3XBM GQRP 1678 ISWL G11088 > --0016e6d976351d3e7a0489de37eb Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
A pair of old fashioned=A0=A074xx161 devices (inverter needed, too)
=A0
Hardwire a preset loaded values of (256 - N), it counts up from that= and reloads the preset value when the count rolls over from 255 to 0
On 25 June 2010 18:29, Roger Lapthorn <rogerlapthorn@gmai= l.com> wrote:
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

-- http://g3xbm= -qrp.blogspot.com/
http://www.g3xbm.co.uk
http://www= .youtube.com/user/g3xbm
G3XBM =A0 =A0GQRP 1678 =A0 =A0 =A0ISWL G110= 88

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