Return-Path: Received: from mtain-di10.r1000.mx.aol.com (mtain-di10.r1000.mx.aol.com [172.29.64.14]) by air-mb02.mail.aol.com (v129.4) with ESMTP id MAILINMB023-a1914d15f91624f; Sat, 25 Dec 2010 09:00:54 -0500 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-di10.r1000.mx.aol.com (Internet Inbound) with ESMTP id 77E59380000CC; Sat, 25 Dec 2010 09:00:52 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1PWUfE-0001RN-WA for rs_out_1@blacksheep.org; Sat, 25 Dec 2010 14:00:04 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1PWUfE-0001RE-GB for rsgb_lf_group@blacksheep.org; Sat, 25 Dec 2010 14:00:04 +0000 Received: from imr-ma03.mx.aol.com ([64.12.206.41]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1PWUfB-0007i5-Mv for rsgb_lf_group@blacksheep.org; Sat, 25 Dec 2010 14:00:04 +0000 Received: from mtaout-db02.r1000.mx.aol.com (mtaout-db02.r1000.mx.aol.com [172.29.51.194]) by imr-ma03.mx.aol.com (8.14.1/8.14.1) with ESMTP id oBPDxpoV005654 for ; Sat, 25 Dec 2010 08:59:51 -0500 Received: from [192.168.1.68] (unknown [92.9.140.148]) by mtaout-db02.r1000.mx.aol.com (MUA/Third Party Client Interface) with ESMTPA id 2E651E000090 for ; Sat, 25 Dec 2010 08:59:46 -0500 (EST) From: g4gvw To: rsgb_lf_group@blacksheep.org Date: Sat, 25 Dec 2010 13:59:43 +0000 Message-Id: <1293285583.9520.26.camel@pat-compaq-evo> Mime-Version: 1.0 X-Mailer: Evolution 2.26.1 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: LF: Receivers vs Transmitters etc. = "Mal'isms" Content-Type: text/plain 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-global-disposition: G x-aol-sid: 3039ac1d400e4d15f9136c16 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none Actually John, I am a little surprised that Mal seems to be of the opinion that something as sophisticated as a "crystal set" might be required. I seem to recall that the earliest experimenters used far less sensitive circuits and devices. The lesson of course being that they had little idea how far their radiated signals were reaching until they had receivers sophisticated enough to "hear" them. (Note to Mal: for "hear" read 'demodulate, 'decode', etc./, etc.) 'Tis all still true, of course! -- 73 es gd dx de pat g4gvw qth nr felixstowe uk (east coast, county of suffolk)