Return-Path: X-Spam-DCC: paranoid 1290; Body=2 Fuz1=2 Fuz2=2 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: * X-Spam-Status: No, score=1.2 required=5.0 tests=BAYES_20,DNS_FROM_AHBL_RHSBL, RATWARE_GECKO_BUILD,SPF_PASS autolearn=no version=3.1.3 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by paranoid.lipkowski.org (8.13.7/8.13.7) with ESMTP id u2HDQv4b024031 for ; Thu, 17 Mar 2016 14:26:57 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1agXrN-00055N-Mh for rs_out_1@blacksheep.org; Thu, 17 Mar 2016 13:21:05 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1agXrN-00055E-6L for rsgb_lf_group@blacksheep.org; Thu, 17 Mar 2016 13:21:05 +0000 Received: from mailfe08.swip.net ([212.247.154.225] helo=swip.net) by relay1.thorcom.net with esmtp (Exim 4.86) (envelope-from ) id 1agXrL-0007s2-Js for rsgb_lf_group@blacksheep.org; Thu, 17 Mar 2016 13:21:04 +0000 X-T2-Spam-Status: No, hits=0.8 required=5.0 tests=BAYES_50 Received: from [81.224.101.198] (account cxu-dcw-tyr@tele2.se HELO [192.168.1.5]) by mailfe08.swip.net (CommuniGate Pro SMTP 5.4.4) with ESMTPSA id 658418505 for rsgb_lf_group@blacksheep.org; Thu, 17 Mar 2016 14:21:02 +0100 To: rsgb_lf_group@blacksheep.org References: <8D34C58CF884ECC-1ECC-700FAE@webmail-vd008.sysops.aol.com> <8D34CA56489C6DF-2124-1A7BBA@webmail-vm017.sysops.aol.com> <1D7A91E7-DC1B-4641-95BE-FC096D8155E4@gmail.com> From: Johan Bodin Message-ID: <56EAAF40.20204@tele2.se> Date: Thu, 17 Mar 2016 14:21:04 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.7.0 MIME-Version: 1.0 In-Reply-To: <1D7A91E7-DC1B-4641-95BE-FC096D8155E4@gmail.com> X-HELO-Warning: Remote host 212.247.154.225 (mailfe08.swip.net) used invalid HELO/EHLO swip.net - verification failed X-Scan-Signature: 6aac716dc074d63ee3780b79bbe46b5d Subject: Re: LF: 33 Hz QRM Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit 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-Scanned-By: MIMEDefang 2.56 on 10.1.3.11 Status: O X-Status: X-Keywords: X-UID: 7384 Railway QRG is 16 2/3 Hz in Sweden too. 73 de Johan SM6LKM John Rabson wrote: > I seem to recall that some railway systems use at about 16 2/3 Hz (one third of 50 Hz) for traction. ... > Can someone say whether my recollections are correct, please? > > 73 John F5VLF