Return-Path: Received: from mtain-mp06.r1000.mx.aol.com (mtain-mp06.r1000.mx.aol.com [172.29.193.74]) by air-mb07.mail.aol.com (v129.4) with ESMTP id MAILINMB071-a7844d6feab01fa; Thu, 03 Mar 2011 14:23:28 -0500 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mp06.r1000.mx.aol.com (Internet Inbound) with ESMTP id C515F380000F3; Thu, 3 Mar 2011 14:23:26 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1PvE6h-0006P2-Py for rs_out_1@blacksheep.org; Thu, 03 Mar 2011 19:22:39 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1PvE6h-0006Ot-5f for rsgb_lf_group@blacksheep.org; Thu, 03 Mar 2011 19:22:39 +0000 Received: from mail-iw0-f171.google.com ([209.85.214.171]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1PvE6e-0002r3-M6 for rsgb_lf_group@blacksheep.org; Thu, 03 Mar 2011 19:22:39 +0000 Received: by iwr19 with SMTP id 19so1725327iwr.16 for ; Thu, 03 Mar 2011 11:22:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:in-reply-to:references:date :message-id:subject:from:to:content-type; bh=2x3advgn5Skws2Hh8v1i6UJrCzzi1zhk1l/Nh2I17fU=; b=OSTXdkRhubP0zCuivUWaMif/nWuKDTtYQhXUjhbzCj6FyG5jykn9ynwaGmHfkSXMtu ggIqi3SrfxQMOrxQUYntZeiKM4N4ZEHWn+CaTsjc25sU8aWandQiU1dF5r3WgJ8mP4K0 suRDsvUq6dRSv+huJBqLYaJL1HPm0qklbIdy0= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=xjouSvanh0sv4tIt4QwiLSY1ct5um0K09agp4jLC6TSgBeQuB0XERW/O6PUSp1bkAZ POwee2f/bJpiSamdo2VOX4MXb0X/r0AnUMryQ2OoKLN3ZghGX+J7YDhO0suoCjWi9Zjo sHS5yJLZ5UoGXqJOG6LrLj+xsIl2vV+/3WfZk= MIME-Version: 1.0 Received: by 10.231.19.133 with SMTP id a5mr1243816ibb.78.1299180150457; Thu, 03 Mar 2011 11:22:30 -0800 (PST) Received: by 10.231.199.197 with HTTP; Thu, 3 Mar 2011 11:22:30 -0800 (PST) In-Reply-To: References: <6C9E0C3D501744C99E11539B7AFCB120@IBM7FFA209F07C> Date: Thu, 3 Mar 2011 19:22:30 +0000 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: Topband Test Content-Type: multipart/alternative; boundary=00221504834b5e06f5049d98f345 X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.8 required=5.0 tests=HTML_30_40,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-m020.2 ; domain : gmail.com DKIM : pass x-aol-sid: 3039ac1dc14a4d6feaae230c X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none X-Mailer: Unknown (No Version) --00221504834b5e06f5049d98f345 Content-Type: text/plain; charset=ISO-8859-1 May 1998, according to the RSGB Indexes... 'JNT On 3 March 2011 19:14, Andy Talbot wrote: > See the article on Dopplergrams published by G3PLX in Radcom some time > around 1998 - 2000. (No record of teh exact publication date). Many plots > of low-HF carriers splitting into two. > > We had to use a separate DSP card to do narrow band monitoring in those > days > > Andy > www.g4jnt.com > > > > On 3 March 2011 18:55, Chris wrote: > >> Hi All, >> Yesterday evening Pete, M0FMT, transmitted QRSS on topband for a test. An >> unexpected effect was noticed with the trace splitting in two. Nothing new >> or 'earth shattering' I expect, but new to us and worthy of further >> experimentation. >> See the result and conclusion on my website http://qsl.net/g4ayt on the >> bottom of page 1. >> I have never seen this effect on 137, even with quite strong audible >> signals, maybe others have. >> Vy 73, >> Chris, G4AYT, Whitstable, UK. >> > > --00221504834b5e06f5049d98f345 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
May 1998, according to the RSGB Indexes...
'JNT


=A0
On 3 March 2011 19:14, Andy Talbot <andy.g4jnt@gmail.com= > wrote:
See the article on Dopplergrams published by G3PLX in Radcom some tim= e around 1998 - 2000.=A0(No record of teh exact publication date).=A0=A0= Many plots of low-HF carriers splitting into two.
=A0=A0=A0
We had to use a separate DSP card to=A0do narrow band monitoring in= those days
=A0
Andy


=A0
On 3 March 2011 18:55, Chris = <c.ashby= 435@btinternet.com> wrote:
Hi All,
Yesterday evening Pete, M0FMT, transm= itted QRSS on topband for a test. An unexpected effect was noticed with th= e trace splitting in two. Nothing new or 'earth shattering' I expe= ct, but new to us and worthy of further experimentation.
See the result and conclusion on my= website http://qsl.net= /g4ayt on the bottom of page 1.
I have never seen this effect on 137,= even with quite strong audible signals, maybe others have.
Vy 73,
Chris, G4AYT, Whitstable, UK.<= /div>


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