Return-Path: Received: from rly-dg11.mx.aol.com (rly-dg11.mail.aol.com [172.19.151.95]) by air-dg03.mail.aol.com (v126.13) with ESMTP id MAILINDG032-6044b4c6b67312; Tue, 12 Jan 2010 07:30:51 -0500 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-dg11.mx.aol.com (v125.7) with ESMTP id MAILRELAYINDG115-6044b4c6b67312; Tue, 12 Jan 2010 07:30:33 -0500 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1NUfsL-0000fe-Cg for rs_out_1@blacksheep.org; Tue, 12 Jan 2010 12:29:33 +0000 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1NUfsL-0000fV-1R for rsgb_lf_group@blacksheep.org; Tue, 12 Jan 2010 12:29:33 +0000 Received: from qmta14.westchester.pa.mail.comcast.net ([76.96.59.212]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1NUfsK-0000BD-0y for rsgb_lf_group@blacksheep.org; Tue, 12 Jan 2010 12:29:33 +0000 Received: from omta22.westchester.pa.mail.comcast.net ([76.96.62.73]) by qmta14.westchester.pa.mail.comcast.net with comcast id Uayn1d0041ap0As5EcVRf1; Tue, 12 Jan 2010 12:29:25 +0000 Received: from JAYDELL ([76.23.233.102]) by omta22.westchester.pa.mail.comcast.net with comcast id UcVa1d00D2DDHkk3icVaWy; Tue, 12 Jan 2010 12:29:34 +0000 Message-ID: <000801ca9382$dfddd850$8d01a8c0@JAYDELL> From: To: References: <000e01ca9223$6d16ec90$0517aac0@desktop> <9afca2641001101102r6252b153lf6d911ee622589e5@mail.gmail.com> <004101ca922b$214cf0e0$0401a8c0@xphd97xgq27nyf> <9afca2641001101153u288ebc3dh81ba03efc09b650@mail.gmail.com> <38A51B74B884D74083D7950AD0DD85E82A1A8E@File-Server-HST.hst.e-technik.tu-darmstadt.de> <002701ca92a7$306cf080$0301a8c0@your91hoehfy9g> <20100111120918.29c48e1d@opc1> <20100111141623.0d41fa7f@opc1> <1263293177.2379.6.camel@Slave23> Date: Tue, 12 Jan 2010 07:29:24 -0500 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-Karma: unknown: X-Spam-Score: 0.6 (/) X-Spam-Report: autolearn=disabled,NO_REAL_NAME=0.55 Subject: Re: LF: WSPR, QRSS, CW... Content-Type: text/plain; format=flowed; charset="UTF-8"; reply-type=original 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=0.3 required=5.0 tests=NO_REAL_NAME 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-IP: 193.82.116.20 Brian Long time...glad to see you're still here. What are you up to on LF / MF? Good point. Even a dead carrier conveys information...just not from the transmitting end. Jay ----- Original Message ----- From: "Brian" To: Sent: Tuesday, January 12, 2010 5:46 AM Subject: Re: LF: WSPR, QRSS, CW... > John, LF > > > On Mon, 2010-01-11 at 14:16 +0000, John P-G wrote: > > >> Only a continuous, unmodulated carrier conveys no information (beyond >> its frequency), so all the methods currently being discussed (QRSS, >> CW, DFCW, Hell, PSK - yes even WSPR) are forms of information >> transmission i.e. "message passing" - and thus would fit your reading of >> "self-training in radio communication". > > > A minor point but a 24 hours continuous transmission of unmodulated, gps > disciplined carrier on 137 KHz over 1000Km path (approx) apparently > reveals quite interesting data on propagation dependent phase change if > received appropriately. > > >> Now, let's all just get on and play radio.... > > > Brian CT1DRP > > > >