Return-Path: Received: from mtain-dg05.r1000.mx.aol.com (mtain-dg05.r1000.mx.aol.com [172.29.65.13]) by air-me06.mail.aol.com (v129.4) with ESMTP id MAILINME062-8bb54d163e6635b; Sat, 25 Dec 2010 13:56:38 -0500 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dg05.r1000.mx.aol.com (Internet Inbound) with ESMTP id C7AEF38000115; Sat, 25 Dec 2010 13:56:33 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1PWZHE-0004L9-SH for rs_out_1@blacksheep.org; Sat, 25 Dec 2010 18:55:36 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1PWZHE-0004L0-Fq for rsgb_lf_group@blacksheep.org; Sat, 25 Dec 2010 18:55:36 +0000 Received: from mout3.freenet.de ([195.4.92.93]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1PWZHD-0000cm-Gp for rsgb_lf_group@blacksheep.org; Sat, 25 Dec 2010 18:55:36 +0000 Received: from [195.4.92.13] (helo=3.mx.freenet.de) by mout3.freenet.de with esmtpa (ID dl4yhf@freenet.de) (port 25) (Exim 4.72 #3) id 1PWZHC-0007xu-Ll for rsgb_lf_group@blacksheep.org; Sat, 25 Dec 2010 19:55:34 +0100 Received: from blfd-4db1b9b2.pool.mediaways.net ([77.177.185.178]:2394 helo=[192.168.0.101]) by 3.mx.freenet.de with esmtpsa (ID dl4yhf@freenet.de) (TLSv1:CAMELLIA256-SHA:256) (port 465) (Exim 4.72 #3) id 1PWZHC-00074R-A6 for rsgb_lf_group@blacksheep.org; Sat, 25 Dec 2010 19:55:34 +0100 Message-ID: <4D163E24.6000804@freenet.de> Date: Sat, 25 Dec 2010 19:55:32 +0100 From: wolf_dl4yhf User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; de; rv:1.9.2.13) Gecko/20101207 Thunderbird/3.1.7 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <1293285583.9520.26.camel@pat-compaq-evo> In-Reply-To: X-Spam-Score: 1.4 (+) X-Spam-Report: autolearn=disabled,RATWARE_GECKO_BUILD=1.426 Subject: Re: LF: Receivers vs Transmitters etc. = "Mal'isms" Content-Type: text/plain; charset=ISO-8859-1; format=flowed 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: 3039ac1d410d4d163e615e03 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none X-Mailer: Unknown (No Version) IIRC, the antennas at SAQ are just a small fraction of what they used to be. I think not all of the remaining masts there 'carry wires'. So the ERP may have been much larger back then in the early days of the station. Maybe some Grimeton visitors who have seen the installation can comment on this. Cheers, Wolf . Am 25.12.2010 17:41, schrieb Jacek Lipkowski: > On Sat, 25 Dec 2010, g4gvw wrote: > >> [...] I seem to recall that the earliest experimenters used far less >> sensitive circuits and devices. [...] > > it's also quite remarkable that once the range was limited mostly by > receiver sensitivity, while right now by the ability to reject qrm. > SAQ was once in regular commercial service with New York with simple > receivers at the other end (btw. anyone know what rx was used?), right > now people in the States are struggling to receive the signal with the > latest technology (dsp etc). > > think how much the qrm must have gone up... > > VY 73 > > Jacek / SQ5BPF > > > > > >