Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by klubnl.pl (8.14.4/8.14.4/Debian-8+deb8u2) with ESMTP id v8NG7Opl001984 for ; Sat, 23 Sep 2017 18:07:27 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1dvmsb-0005nY-AL for rs_out_1@blacksheep.org; Sat, 23 Sep 2017 17:02:09 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1dvmsa-0005nP-Kb for rsgb_lf_group@blacksheep.org; Sat, 23 Sep 2017 17:02:08 +0100 Received: from smtp-out01.xworks.net ([31.25.48.13]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89) (envelope-from ) id 1dvmsW-0002k0-Lw for rsgb_lf_group@blacksheep.org; Sat, 23 Sep 2017 17:02:07 +0100 Received: from mailbackend2-1 (cluster06.xworks.net [10.100.1.80]) by smtp-out01.xworks.net (Postfix) with ESMTP id 03D6160F70 for ; Sat, 23 Sep 2017 18:02:03 +0200 (CEST) X-DKIM-Result: Domain=kabelmail.de Result=Signature OK DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kabelmail.de; s=mail; t=1506182523; bh=sEFF/suzdVdze0+VzyscgjMdtG4mpPYiVkeQTmWIPUc=; h=Subject:To:References:From:Date:MIME-Version:In-Reply-To: Content-Type; b=kd+OWOBGNCD2UDWZn40dzmU2OTNSjuHQdfdlLg3xWCpD3kZl1CjWHrP0YHhPdH65t Eru3Hg3wNcOajQyyqjp7zfAnhVyjKbCzgBhkurFPp5WP0WRS5UOwxOXCij8u93s2Bh /zJsc9jAcSuZjyftZ+C3ZCkQ+XN/U1H+gvoy4txo= Received: from [192.168.36.33] (ipbcc2cd11.dynamic.kabel-deutschland.de [188.194.205.17]) (authenticated bits=0) by smtpa.mediabeam.com with ESMTP id v8NG20O6031826 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sat, 23 Sep 2017 18:02:01 +0200 X-mediaBEAM-Originating-IP: [188.194.205.17] X-mediaBEAM-AUTHID: [DK1IS@kabelmail.de] To: rsgb_lf_group@blacksheep.org References: <59C634ED.8252.27CCAAE3@mike.dennison.ntlworld.com> <2512261.QPMy9ZKvPq@x220> From: DK1IS Message-ID: <39d885ba-fec3-e069-d8e1-a301472a18c1@kabelmail.de> Date: Sat, 23 Sep 2017 18:02:05 +0200 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 MIME-Version: 1.0 In-Reply-To: X-mediaBEAM-AuthCheck: route13 X-mediaBEAM-AuthScore: 0.0/5.0, scanned in 1.332sec X-MIME-Autoconverted: from 8bit to quoted-printable by smtpa.mediabeam.com id v8NG20O6031826 X-Spam-Score: 0.0 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Am 23.09.2017 um 17:25 schrieb Clemens Paul: > Hi Claudio and VLFers, > >> But the VLF bible in my opinion is this book, with wires >> capacity formulas and tables: >> Arthur D. Watt, VLF Radio Engineering, Pegamon Press 1967 > Also this book is downloadable: > http://www.introni.it/pdf/Watt%20-%20VLF%20Radio%20Engineering%2014.pdf > I've just verified that the link is still valid and working. > > 73 > Clemens > DL4RAJ > Hi Clemens, [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 T_DKIM_INVALID DKIM-Signature header exists but is not valid X-Scan-Signature: c1f72e5acb1277e013f90c915ad7ad68 Subject: Re: LF: Effective antenna height? Content-Type: text/plain; charset=utf-8; format=flowed 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 Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by klubnl.pl id v8NG7Opl001984 Am 23.09.2017 um 17:25 schrieb Clemens Paul: > Hi Claudio and VLFers, > >> But the VLF bible in my opinion is this book, with wires >> capacity formulas and tables: >> Arthur D. Watt, VLF Radio Engineering, Pegamon Press 1967 > Also this book is downloadable: > http://www.introni.it/pdf/Watt%20-%20VLF%20Radio%20Engineering%2014.pdf > I've just verified that the link is still valid and working. > > 73 > Clemens > DL4RAJ > Hi Clemens, yes, it really works! Thank you for the link, Clemens - I have a 20 years old pirate paper copy of this wonderful book indeed but in a pdf-file it´s much easier to retrieve any special items! By the way: Watt´s formulars match very good with the reality of my Marconi-T, 13 m up with a topload of 4 wires, 33 m long and spaced 1 m, see www.qrz.com/db/dk1is 73, Tom, DK1IS