Envelope-to: dave@picks.force9.co.uk Delivery-date: Thu, 30 Jun 2005 10:27:37 +0100 Received: by ptb-mxcore01.plus.net with spam-scanned (PlusNet MXCore v2.00) id 1DnvKW-0001uA-MI for dave@picks.force9.co.uk; Thu, 30 Jun 2005 10:27:37 +0100 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (PlusNet MXCore v2.00) id 1DnvKW-0001pe-Hs for dave@picks.force9.co.uk; Thu, 30 Jun 2005 10:27:32 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1DnvKC-0005IE-Lc for rs_out_1@blacksheep.org; Thu, 30 Jun 2005 10:27:12 +0100 Received: from [82.108.183.144] (helo=relay3.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1DnvKC-0005I4-54 for rsgb_lf_group@blacksheep.org; Thu, 30 Jun 2005 10:27:12 +0100 Received: from mout1.freenet.de ([194.97.50.132]) by relay3.thorcom.net with esmtp (Exim 4.51) id 1DnvK7-0000hH-K0 for rsgb_lf_group@blacksheep.org; Thu, 30 Jun 2005 10:27:12 +0100 Received: from [194.97.50.135] (helo=mx2.freenet.de) by mout1.freenet.de with esmtpa (Exim 4.52) id 1DnvJw-0002em-U9 for rsgb_lf_group@blacksheep.org; Thu, 30 Jun 2005 11:26:56 +0200 Received: from p5486aa9a.dip0.t-ipconnect.de ([84.134.170.154] helo=[192.168.0.200]) by mx2.freenet.de with esmtpsa (ID dl4yhf@freenet.de) (TLSv1:AES256-SHA:256) (Exim 4.52 #3) id 1DnvJw-0007ce-Ml for rsgb_lf_group@blacksheep.org; Thu, 30 Jun 2005 11:26:56 +0200 Message-ID: <42C39ECE.7040201@freenet.de> Date: Thu, 30 Jun 2005 09:27:10 +0200 From: Wolf DL4YHF User-Agent: Mozilla Thunderbird 0.9 (Windows/20041103) X-Accept-Language: de-DE, de, en-us, en MIME-Version: 1.0 To: RSGB LF Group Subject: LF: RF Tech notes, and reminder for SAQ transmissions Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit 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-PN-SpamFiltered: by PlusNet MXCore (v2.00) Greetings everyone, Just found some interesting PDF's about HF designs, mixers, demodulators, receivers etc, at http://www.wj.com/technotes/index.asp Interesting reading, though some articles may be a bit old (and no, I don't work for that company). Futhermore, just a reminder that SAQ makes transmissions with their historic 17.2 kHz transmitter the coming weekend. Got your mechanical receiver ready, Jim ? ;-) Regards, Wolf DL4YHF .