Return-Path: Received: from rly-me07.mx.aol.com (rly-me07.mail.aol.com [172.20.83.41]) by air-me04.mail.aol.com (v126.13) with ESMTP id MAILINME042-9c54b4c53344f; Tue, 12 Jan 2010 05:47:25 -0500 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-me07.mx.aol.com (v125.7) with ESMTP id MAILRELAYINME071-9c54b4c53344f; Tue, 12 Jan 2010 05:47:18 -0500 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1NUeGb-0008Cs-9N for rs_out_1@blacksheep.org; Tue, 12 Jan 2010 10:46:29 +0000 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1NUeGa-0008Cj-TZ for rsgb_lf_group@blacksheep.org; Tue, 12 Jan 2010 10:46:28 +0000 Received: from relay4.ptmail.sapo.pt ([212.55.154.24]) by relay1.thorcom.net with smtp (Exim 4.63) (envelope-from ) id 1NUeGY-0007nN-0K for rsgb_lf_group@blacksheep.org; Tue, 12 Jan 2010 10:46:28 +0000 Received: (qmail 19069 invoked from network); 12 Jan 2010 10:46:20 -0000 Received: from unknown (HELO sapo.pt) (10.134.37.163) by relay4 with SMTP; 12 Jan 2010 10:46:20 -0000 Received: (qmail 3593 invoked from network); 12 Jan 2010 10:46:20 -0000 X-AntiVirus: PTMail-AV 0.3-0.95.1 X-Scan-Status: AV clean (0.01489 seconds); AS clean (2.11053 seconds); Received: from unknown (HELO [192.168.1.122]) (brian.rogerson@sapo.pt@[188.81.99.219]) (envelope-sender ) by mta13 (qmail-ldap-1.03) with SMTP for ; 12 Jan 2010 10:46:18 -0000 From: Brian To: rsgb_lf_group@blacksheep.org In-Reply-To: <20100111141623.0d41fa7f@opc1> 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> Date: Tue, 12 Jan 2010 10:46:17 +0000 Message-ID: <1263293177.2379.6.camel@Slave23> Mime-Version: 1.0 X-Mailer: Evolution 2.28.1 X-Karma: unknown: X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: WSPR, QRSS, CW... Content-Type: text/plain; charset="UTF-8" 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 X-AOL-IP: 193.82.116.20 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