Return-Path: X-Spam-DCC: paranoid 1102; 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=-2.4 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL 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 tA1FhtiD014452 for ; Sun, 1 Nov 2015 16:43:55 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Zsukr-0002tc-EB for rs_out_1@blacksheep.org; Sun, 01 Nov 2015 15:41:13 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Zsukr-0002tT-4Y for rsgb_lf_group@blacksheep.org; Sun, 01 Nov 2015 15:41:13 +0000 Received: from mail-wi0-f170.google.com ([209.85.212.170]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.86) (envelope-from ) id 1Zsujo-00061r-1I for rsgb_lf_group@blacksheep.org; Sun, 01 Nov 2015 15:41:12 +0000 Received: by wicll6 with SMTP id ll6so36360133wic.0 for ; Sun, 01 Nov 2015 07:39:47 -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=subject:mime-version:content-type:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=7IrKeIvflAu8C/ArdHkE2JeBrW5XD1kkj/4Xr9SsEXI=; b=U30eGIZAsNW7icBegcEVGRJ3mOl4UqusgYGlHeg92yIqAc2whUjofKg7GsjnjHI+ku qQZOp2HX1q/resi7x/HsCTV1j9YIxTMfR2ijgzWCvtKr/TOrkef0p8221A5P2mLtIUwB AfYI+y6xNuhE+RETEh7bRLvba9y4L29nP4t+2I2fpE0SnIAiKDLWl/ZHQSCL78FEaHVA mHmIYRY//IeBDmfUi7QRbx6C1EKLgZD8h4XxveqVBk7UyW4CVIKKVoWDqZHW559HCRJk JFB33CBjBjl5nYuUKki/ClwxoLgtIRWT3ikx7UwMMsDBb3nsd/U1CNn9ikItfNYXTjHy 7Okw== X-Received: by 10.194.115.230 with SMTP id jr6mr18142604wjb.143.1446392387128; Sun, 01 Nov 2015 07:39:47 -0800 (PST) Received: from [192.168.1.101] ([82.98.23.94]) by smtp.gmail.com with ESMTPSA id he3sm17497665wjc.48.2015.11.01.07.39.45 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Sun, 01 Nov 2015 07:39:45 -0800 (PST) Mime-Version: 1.0 (Mac OS X Mail 9.1 \(3096.5\)) From: John Rabson X-Priority: 3 In-Reply-To: <5BB2C839C5D04F80B605FDA5839834E0@gnat> Date: Sun, 1 Nov 2015 16:39:44 +0100 Cc: rsgb_lf_group@yahoogroups.co.uk Message-Id: <6F3495B9-7768-49F2-B967-A0D7ADADFEE1@gmail.com> References: <5BB2C839C5D04F80B605FDA5839834E0@gnat> To: rsgb_lf_group@blacksheep.org X-Mailer: Apple Mail (2.3096.5) X-Scan-Signature: 1c38f63d01970a2bf149f660c9cb2a37 Subject: Re: LF: Re: RTE 252kHz Content-Type: text/plain; charset=us-ascii 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 10.1.3.10 Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by paranoid.lipkowski.org id tA1FhtiD014452 Status: O X-Status: X-Keywords: X-UID: 4761 See http://www.rte.ie/news/2014/1219/667931-rte-longwave/ which says that this service has been extended until 2017. John F5VLF > On 01 Nov 2015, at 16:21, Alan Melia wrote: > > Ah nice! I did wonder about RTE but last time I considered it , it was under a death sentence. But it seems to have survived. I presume the 0.25Hz is due (possibly) to a gravity wave in the D-layer. > > Alan > G3NYK > >> ----- Original Message ----- >> From: Andy Talbot >> To: rsgb_lf_group@blacksheep.org ; rsgb_lf_group@yahoogroups.co.uk >> Sent: Sunday, November 01, 2015 2:44 PM >> Subject: LF: RTE 252kHz >> >> >> >> Hope this graphic passes though the two groups / reflectors... >> It shows a vectorscope plot of the 252kHz RTE broadcast carrier this afternoon. >> >> The mean phase of the carrier is solid for hours, suggesting the transmission is at least Rb controlled as the points do not rotate around the vectorscope screen. >> The interesting bit is the smaller circle with a radius of about 15 - 25% of the mean signal amplitude, caused, I assume, by ionospheric frequency shifting of a substantial skywave portion of the signal. The plot represents 8.2 seconds worth of carrier history, the small circle taking about 4 seconds to form, suggesting there is 0.25Hz worth of skywave frequency shift associated with it. >> >> I'll try Droitwich as dusk arrives, but its annoying carrier modulation means the resulting plot will not be so 'clean' >> >> Andy G4JNT >> > john.rabson07@gmail.com Researching history of RABSON, BLACKSHAW, GAUNTLETT, VERLANDER and ROBSONNE