Return-Path: Received: from mtain-mh11.r1000.mx.aol.com (mtain-mh11.r1000.mx.aol.com [172.29.96.223]) by air-ma02.mail.aol.com (v129.4) with ESMTP id MAILINMA024-b4f64cf01a4f2dd; Fri, 26 Nov 2010 15:36:31 -0500 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mh11.r1000.mx.aol.com (Internet Inbound) with ESMTP id 5D9BC3800009B; Fri, 26 Nov 2010 15:36:29 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1PM518-0005mc-BK for rs_out_1@blacksheep.org; Fri, 26 Nov 2010 20:35:38 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1PM517-0005mT-SC for rsgb_lf_group@blacksheep.org; Fri, 26 Nov 2010 20:35:37 +0000 Received: from mailt.toya.net.pl ([217.113.224.9] ident=postfix) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1PM515-0002Bv-Lz for rsgb_lf_group@blacksheep.org; Fri, 26 Nov 2010 20:35:37 +0000 Received: from mail.toya.net.pl (localhost.localdomain [127.0.0.1]) by mail.toya.net.pl (Postfix) with ESMTP id 7EAC220000723 for ; Fri, 26 Nov 2010 21:35:34 +0100 (CET) Received: by mail.toya.net.pl (Postfix, from userid 5001) id 746A0200006CC; Fri, 26 Nov 2010 21:35:34 +0100 (CET) Received: from [192.168.1.100] (unknown [10.3.153.39]) (Authenticated sender: unimlyn@toya.net.pl) by mail.toya.net.pl (Postfix) with ESMTPA id 9EA1F20000723 for ; Fri, 26 Nov 2010 21:35:32 +0100 (CET) Message-ID: <4CF01A14.4080504@toya.net.pl> Date: Fri, 26 Nov 2010 21:35:32 +0100 From: Piotr Mlynarski User-Agent: Thunderbird 2.0.0.24 (Windows/20100228) MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <371151.97724.qm@web86705.mail.ird.yahoo.com> In-Reply-To: <371151.97724.qm@web86705.mail.ird.yahoo.com> X-AV-Checked: ClamAV using ClamSMTP X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: Alpha transmissions Content-Type: text/plain; charset=UTF-8; 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: 3039ac1d60df4cf01a4d79cb X-AOL-IP: 195.171.43.25 X-Mailer: Unknown (No Version) Dave Pick pisze: > Dear all. > I've had a query from an amateur who is studying the Russian Alpha > transmissions. He would like to contact others who are using software > to get a positional fix by comparing extracting the phase information, > or similar experiments. > > 73 > Dave > G3YXM > > Hello Dave, although it is not a precise answer to the problem mentioned by the friend of yours i have just thought he could visit a webpage devoted to lightning strike radars (homebuilt): http://members.home.nl/fkooiman/lightning/ he should go to section 7 ( manual and documentation); find and read a survey article written by John Silver ( likely, UK based fellow as it follows from his e-mail address) Mr Silver mentions a software which is capable by special time synchronization routines and triangulation methods to make a positional fix of the ligntning etc.. a link to software developers is also given so i think he might have got a nice start to his specific issues with alfa stns .. there is also a similar page: http://users.edpnet.be/DanielV37/Detecteur3/ dealing with the same problems BTW .. those antennae and amplifiers built for lightning radar purposes are within the range of 10-11 kHz so "Dreamers" should also look into this at least to see really nice pictures of detected strikes.. i hope it will bring some help.. yours, Piotr, sq7mpj qth: Lodz/jo91rs/