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[195.171.43.25]) by mx.google.com with ESMTP id b3si563913wix.85.2013.12.03.01.46.29 for ; Tue, 03 Dec 2013 01:46:30 -0800 (PST) Received-SPF: neutral (google.com: 195.171.43.25 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) client-ip=195.171.43.25; Authentication-Results: mx.google.com; spf=neutral (google.com: 195.171.43.25 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) smtp.mail=owner-rsgb_lf_group@blacksheep.org; dkim=pass (test mode) header.i=@comcast.net Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Vnls2-0000Hd-HZ for rs_out_1@blacksheep.org; Tue, 03 Dec 2013 09:02:18 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Vnls1-0000HU-On for rsgb_lf_group@blacksheep.org; Tue, 03 Dec 2013 09:02:17 +0000 Received: from qmta01.emeryville.ca.mail.comcast.net ([76.96.30.16]) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1Vnlrz-0002zp-KK for rsgb_lf_group@blacksheep.org; Tue, 03 Dec 2013 09:02:16 +0000 Received: from omta16.emeryville.ca.mail.comcast.net ([76.96.30.72]) by qmta01.emeryville.ca.mail.comcast.net with comcast id wx1s1m0061ZMdJ4A1x2DC0; Tue, 03 Dec 2013 09:02:13 +0000 Received: from Owner ([166.137.183.179]) by omta16.emeryville.ca.mail.comcast.net with comcast id wx1r1m00F3sf1fq8cx1xYp; Tue, 03 Dec 2013 09:02:07 +0000 From: "hvanesce" To: References: <45EA2FEA-74E3-4AB1-A37B-868C7F526EF0@gmail.com> In-Reply-To: Date: Tue, 3 Dec 2013 02:01:42 -0700 Message-ID: <143b01cef006$52a220b0$f7e66210$@comcast.net> MIME-Version: 1.0 X-Mailer: Microsoft Outlook 14.0 Thread-Index: AQGuaMWoK7zVsKy7YbY8ue0zAYoH7QIRdvNZmnKsLbA= Content-Language: en-us DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=comcast.net; s=q20121106; t=1386061333; bh=7SKLswXPNJ3IC5fbyTqjgue2egnr3sJa3bY6qZwmZLI=; h=Received:Received:From:To:Subject:Date:Message-ID:MIME-Version: Content-Type; b=M9UfW42f55jI0T9KFr+KFAI3T2yL1gpeA34WTbEGNYTehl8BmteFnw9cN/Xtm7f8Q rxjCMbZpmgCe/WXBBCza7rBY/KAgrUHHN7E1A9r42kELwWH1RSvfFOrxjER2y5wfTR GJadMMgWoQgmXccapZXxVXRPb/fTBd2R5kWmdf3x/FfwpjyyPoDIPRbw95pyjeWTJf eSBmHq4R5BdEuQabkXPaw4fF4bVQuIoN9BLZl6f7sWiIUW92C9T39/7Oz0NttEMTZU OTSDhzhzw+g8FK8LWnjR6tAKsY2Z1i2iM6v1s0Jy1BYFSrZlIF4VKMZq+iW4OhG9jz Hjrs3fXpR70bg== X-Spam-Score: 0.0 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has identified this incoming email as possible spam. 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Content preview: Chris, Symbolic that the causality to which you allude manifests in the context of this particular band? 73, [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [76.96.30.16 listed in list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (hvanesce[at]comcast.net) -0.0 SPF_PASS SPF: sender matches SPF record -0.0 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain 0.0 T_DKIM_INVALID DKIM-Signature header exists but is not valid X-Scan-Signature: 1c38f63d01970a2bf149f660c9cb2a37 Subject: RE: LF: Article on VLF Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none 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 Status: O X-Status: X-Keywords: X-UID: 1476 Chris, Symbolic that the causality to which you allude manifests in the context of this particular band? 73, Jim AA5BW -----Original Message----- From: owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Chris Trayner Sent: Monday, December 2, 2013 3:09 PM To: rsgb_lf_group@blacksheep.org Cc: Robin Gape Subject: Re: LF: Article on VLF On 2013 Dec 2, at 18:31, John Rabson wrote: > I have received the following request from G4AEE of the Cave Radio & Electronics Group Journal editorial team: > > "[We wish] to include an article on what radio amateurs are doing at VLF ... > Another aspect would be the likely performance of highly compressed speech. Hey, I've got this great idea. Rather than compress speech, why not render the message simpler? Rather than the sounds you could just send the text, encoding the letters in some way. You could turn the carrier on and off, say in short or long bursts, with a group of such pulses to represent each letter. You could even tailor it to letter frequencies, e.g. one short pulse for E, one long pulse for T, ... 73, Chris ----------------------- Dr Chris Trayner School of Electronic & Electrical Engineering, The University of Leeds, Leeds LS2 9JT, United Kingdom Tel: +44 113 34 32053 Fax: +44 113 34 32032