Return-Path: X-Spam-DCC: paranoid 1170; 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=-1.9 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, HTML_40_50,HTML_MESSAGE,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 u1QMCEiM031870 for ; Fri, 26 Feb 2016 23:12:14 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1aZQX5-0002Vh-0i for rs_out_1@blacksheep.org; Fri, 26 Feb 2016 22:06:43 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1aZQX4-0002VY-I9 for rsgb_lf_group@blacksheep.org; Fri, 26 Feb 2016 22:06:42 +0000 Received: from mail-wm0-x22a.google.com ([2a00:1450:400c:c09::22a]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.86) (envelope-from ) id 1aZQVC-0008Dg-6B for rsgb_lf_group@blacksheep.org; Fri, 26 Feb 2016 22:06:41 +0000 Received: by mail-wm0-x22a.google.com with SMTP id g62so87327453wme.0 for ; Fri, 26 Feb 2016 14:04:20 -0800 (PST) X-DKIM-Result: Domain=gmail.com Result=Good and Known Domain DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to; bh=1LI68cVufznx64wwEHgHLEP6ZSmXQacuEE3PpHfgYu4=; b=gX/NR+MX6z6YPgG6+T8eBXxlQzrXLK5QJ1R06iGAaBl1R8Cln1lV9SkaGZy260qvZu O8xrB3bc9sAEXsFKC/Rb1xHhfelHo9tjvZQQidyJHkxj0jwg4cxJGP1kpEZqFyFfJJMW 1nVq7Q2ctkwf+RbnYsM+d4uY9E9S8nvOUzAzVe993dqI5A3wkTFdG4IPDFGsUOxx+rJJ b/DwmNL+DrGu9Ep/FFFhgvmZH3+lVMuakoTy3196JozoT2yxJGZt8UvwLokaHRwgzuDq SO7PKma0siZsvqPl6VvQuzIEVxw8ePP+rAMRgkWop3Lb+Z5LzhFU8Qhi2A2r+bW/H6dv 1a+A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to; bh=1LI68cVufznx64wwEHgHLEP6ZSmXQacuEE3PpHfgYu4=; b=Ssw6GPvY+xzLN5mlWcUzQ5EidcPtIleclR0autsYlbuwBNDzr+QtEx4RK1BB4MACof fKYhFvkopWDokohU0v5tT33voyZVJajU9xvzGjlVexWCVJge94WIsdQ49Np+aptiEY8/ ty8qfq2OI5PODc3t8M/YlhaG6hvEDWUyCuBivshKf97Dm7lY7FPLUG78YAjXDuUs8Cqf Tu/ZvaHDj0QHWw+8RZvF8Zy+3DvKJJUSRvtoR3SylZEorG//JRNd60x/ZDnXee1hasKM 9KvWP01rvvG2Kq89H8U/QDhaHjAcqizY2j9zA8RCSfBExFMFcMqYpBeKQAHxgQrVq6s0 prgw== X-Gm-Message-State: AD7BkJKdX3h7gyBpe9eXWPkz8bpsDF9MYhAz+LaluynQ6uFlvUh3PoMgqHREZCiHKZksC5iPRjPDySS7blJyew== MIME-Version: 1.0 X-Received: by 10.28.144.195 with SMTP id s186mr155166wmd.9.1456524258910; Fri, 26 Feb 2016 14:04:18 -0800 (PST) Received: by 10.28.187.213 with HTTP; Fri, 26 Feb 2016 14:04:18 -0800 (PST) In-Reply-To: <56D0C6CF.8040302@abelian.org> References: <31C86C4411C54D0BAFE6FA3C70A0E407@White> <56D0C6CF.8040302@abelian.org> Date: Fri, 26 Feb 2016 22:04:18 +0000 Message-ID: From: Andy Talbot To: rsgb_lf_group@blacksheep.org X-Scan-Signature: 64a43ebf6189d3fbac7adf77f3718769 Subject: Re: LF: MSF Is wrong Content-Type: multipart/alternative; boundary=001a1146914e0f3734052cb37b0b 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: 7020 --001a1146914e0f3734052cb37b0b Content-Type: text/plain; charset=UTF-8 Some years ago I checked the pips on Radio 4 198kHz and on 88MHz GFM against GPS. The long wave ones were coincident to the accuracy I could measure, about 100us, but the VHF ones were about 3ms late consistently. A frined in the brodcast industry said it was down to the digital distribution of the audio. Andy G4JNT On 26 February 2016 at 21:42, Paul Nicholson wrote: > > Maintaining a stable wrongness > > http://abelian.org/vlf/tmp/160226a.png > > Propagation delay here is around 0.52 mS. > > I'm missing 17mS of sleep each night because of this. > > -- > Paul Nicholson > -- > > --001a1146914e0f3734052cb37b0b Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Some years ago I checked the pips on Radio 4 198kHz and on= 88MHz GFM against GPS. =C2=A0 The long wave ones were coincident to the ac= curacy I could measure, about 100us, but the VHF ones were about 3ms late c= onsistently.=C2=A0 A frined in the brodcast industry said it was down to th= e digital distribution of the audio.

Andy =C2=A0G4JNT


On 26 February 2016 at 21:42, Paul Nicholson <<= a href=3D"mailto:vlf0403@abelian.org" target=3D"_blank">vlf0403@abelian.org= > wrote:

Maintaining a stable wrongness

=C2=A0http://abelian.org/vlf/tmp/160226a.png

Propagation delay here is around 0.52 mS.

I'm missing 17mS of sleep each night because of this.

--
Paul Nicholson
--


--001a1146914e0f3734052cb37b0b--