Return-Path: Received: from mtain-dg03.r1000.mx.aol.com (mtain-dg03.r1000.mx.aol.com [172.29.65.11]) by air-db03.mail.aol.com (v129.4) with ESMTP id MAILINDB032-861d4cabb0fb29; Tue, 05 Oct 2010 19:12:59 -0400 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dg03.r1000.mx.aol.com (Internet Inbound) with ESMTP id 62BDE3800008C; Tue, 5 Oct 2010 19:12:58 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1P3GfD-00010G-5x for rs_out_1@blacksheep.org; Wed, 06 Oct 2010 00:11:15 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1P3GfC-000107-NO for rsgb_lf_group@blacksheep.org; Wed, 06 Oct 2010 00:11:14 +0100 Received: from smtp821.mail.ukl.yahoo.com ([217.12.12.250]) by relay1.thorcom.net with smtp (Exim 4.63) (envelope-from ) id 1P3GfA-0002ev-7q for rsgb_lf_group@blacksheep.org; Wed, 06 Oct 2010 00:11:14 +0100 Received: (qmail 43122 invoked from network); 5 Oct 2010 23:11:05 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=btinternet.com; h=DKIM-Signature:Received:X-Yahoo-SMTP:X-YMail-OSG:X-Yahoo-Newman-Property:Message-ID:From:To:References:Subject:Date:MIME-Version:Content-Type:Content-Transfer-Encoding:X-Priority:X-MSMail-Priority:X-Mailer:X-MIMEOLE:X-Antivirus:X-Antivirus-Status; b=Q6494rsp8Qdn2q+Hi7iJEFlqjRTohmY4s9IQEsVHoSU2gIAMCNr5+Q07+rvEwGtOBpqzAVQT/grSNJ2JQZsnFdoRJxHfsRfOidlT/m7HM4TGU0dt5YV3oHHJAIUzPYqDdwtObF06QErNrEMwOGN90ZMhS67oO7jWfPwnD3bNHHU= ; DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=btinternet.com; s=s1024; t=1286320265; bh=6x3k+jV7AaavEAmNfwSKbfHRxo1Zf12D+jpJDjq7x/s=; h=Received:X-Yahoo-SMTP:X-YMail-OSG:X-Yahoo-Newman-Property:Message-ID:From:To:References:Subject:Date:MIME-Version:Content-Type:Content-Transfer-Encoding:X-Priority:X-MSMail-Priority:X-Mailer:X-MIMEOLE:X-Antivirus:X-Antivirus-Status; b=YLuoIpVQE9efzjVhJVnzu71PWFgC31x/Ar4UmNeJNac0zIuQqT/xeJ1291NYLhLyd93B8fYAVeN7CYT14TsUXoSnXPF7xCJutxoEtqgknol6Cqgh3QYb2Q78bsljovMR9yX9k7GDXJzwE31oUWjMm+gzUpNdn8qpI0jkXeGnJ34= Received: from lark (alan.melia@86.134.103.155 with login) by smtp821.mail.ukl.yahoo.com with SMTP; 05 Oct 2010 23:11:05 +0000 GMT X-Yahoo-SMTP: fpz.2VeswBBs59bVshRPmMN51lcO2lgFRIvE4XTqE8dRwOxd70E- X-YMail-OSG: .hwzVtsVM1lHRDbCD09lbn2Ke6l_88OXhxw4epnPT5z6its 8qLnwmaMCcwqqL.hPY1OMqCizMrtnnfQdjxfNPydDmVEOTLq1WCMNflHu57P dUEFAWQZOfz5CJT.zbXCOv0LM__6LiBHz.3bSciEllqzwK7Z0snX3QegEuHj 4Lo55shJffL7y86Wk1a8gsNZndAiePFGgzjOxo9ixlfZlwpJDrAQSnM8UlFN .Mwx0NQerDku6eXvEn6JkGLHTUOnbyXhvp6Gh1e6TTYqyA3CoS12cLEKWpm5 xwHw- X-Yahoo-Newman-Property: ymail-3 Message-ID: <01f901cb64e2$9c1b6a60$4001a8c0@lark> From: "Alan Melia" To: References: <4CA5E86D.1070208@iup.uni-heidelberg.de> <6F6098420211436FABB78BE04E5F8FAD@JimPC> <000901cb6215$2db60550$0401a8c0@xphd97xgq27nyf> <4CA7096F.7070307@freenet.de> <4CA7C5EA.5060001@iup.uni-heidelberg.de> <4CAA3CB4.5080600@toya.net.pl> <001501cb640b$29e73ff0$4001a8c0@lark> <4CAB93EF.3010100@toya.net.pl> Date: Wed, 6 Oct 2010 00:11:12 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.2001 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.2001 X-Antivirus: avast! (VPS 101005-1, 05/10/2010), Outbound message X-Antivirus-Status: Clean DomainKey-Status: good (testing) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,UNPARSEABLE_RELAY=0.001 Subject: Re: VLF: Re: DK7FC's 7th VLF kite experiment Content-Type: text/plain; charset="iso-8859-1" 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-SCOLL-AUTHENTICATION: mail_rly_antispam_dkim-m239.2 ; domain : btinternet.com DKIM : pass x-aol-sid: 3039ac1d410b4cabb0fa301f X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none Hi Piotr, you can see why I asked :-)) very nice and as expected 10dB per decade. That makes a useful guide for people to be able to estimate the field strength they should see and what they need to be able to receive it. As you say it seems to stack up well with the practical results. Thanks and well done Alan G3NYK ----- Original Message ----- From: "Piotr Mlynarski" To: Sent: Tuesday, October 05, 2010 10:09 PM Subject: Re: VLF: Re: DK7FC's 7th VLF kite experiment > Alan Melia pisze: > > Hi Piotr, Nice to see your good work again. Do you think it would be > > possible to present the plot with a logarithmic distance scale. It might > > also be interesting to try dbuV/m for the strength axis??. > > > > Alan G3NYK > > > > > Hello Alan, > > thank you... > yes, such scales are possible. i quickly did it only for one height of > ionosphere , being equal to 80 km > (all other values are the same i.e. based on Stefan 7th vlf setup) > the "X" values are shown on a logarithmic scale while field strength is > expressed in dBmicroVolts/m > (attachment) > > > 73, Piotr, sq7mpj > > qth: Lodz /jo91rs/ > > > ---------------------------------------------------------------------------- ----