Return-Path: Received: from mtain-me07.r1000.mx.aol.com (mtain-me07.r1000.mx.aol.com [172.29.96.143]) by air-db03.mail.aol.com (v129.4) with ESMTP id MAILINDB032-861d4c270e0a1ab; Sun, 27 Jun 2010 04:38:34 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-me07.r1000.mx.aol.com (Internet Inbound) with ESMTP id 239FD3800009D; Sun, 27 Jun 2010 04:38:33 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OSnMn-0007Sh-6g for rs_out_1@blacksheep.org; Sun, 27 Jun 2010 09:37:29 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OSnMm-0007SP-LZ for rsgb_lf_group@blacksheep.org; Sun, 27 Jun 2010 09:37:28 +0100 Received: from mailout-us.gmx.com ([74.208.5.67]) by relay1.thorcom.net with smtp (Exim 4.63) (envelope-from ) id 1OSnMl-0005ix-Ps for rsgb_lf_group@blacksheep.org; Sun, 27 Jun 2010 09:37:28 +0100 Received: (qmail invoked by alias); 27 Jun 2010 08:37:20 -0000 Received: from 75-168-152-6.mpls.qwest.net (EHLO [192.168.1.100]) [75.168.152.6] by mail.gmx.com (mp-us002) with SMTP; 27 Jun 2010 04:37:20 -0400 X-Authenticated: #60769621 X-Provags-ID: V01U2FsdGVkX195mxZVn+B54yUGitSp6QHbHGNm5JKlJeVtkAap8Q v0JOK6fCJ3DjzO Message-ID: <4C270D95.7080306@gmx.com> Date: Sun, 27 Jun 2010 03:36:37 -0500 From: Mike-WE0H User-Agent: Thunderbird 2.0.0.24 (X11/20100317) MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <4C23FC42.8040204@iup.uni-heidelberg.de> <38A51B74B884D74083D7950AD0DD85E82A1C66@File-Server-HST.hst.e-technik.tu-darmstadt.de> <4C25AE1F.7060807@gmx.com> <38A51B74B884D74083D7950AD0DD85E82A1C68@File-Server-HST.hst.e-technik.tu-darmstadt.de> In-Reply-To: X-Y-GMX-Trusted: 0 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: VLF earth antenna article in wiki 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: 3039ac1d608f4c270e091046 X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) www.fas.org/nuke/guide/usa/c3i/fs_clam_lake_elf2003.pdf That is a 4 page pdf document telling about the Clam Lake Wisconsin USA station. Mike-WE0H Roger L wrote: > I agree about the Wiki antenna: it is strung between the mountains, not > using buried electrodes. > > Maybe we dreamers need to consult some textbooks on ELF/VLF antennas? > Another data source should be any publicly available papers about > Project Sanguine antennas. IEEE Antennas and Propagation may have had > some references in the 1970s or 80s? > > * Military Communications: From Ancient Times to the 21st Century > > talks about the Wisconsin Project Sanguine antennas being 14 miles > long and mounted on 40 foot poles. This was for 76Hz. These were > in some sort of array and connected by 165 miles of cable (this > info can be read in the book extract on Amazon!). > * ELF Communications Antennas > > by Burrows is an IEE publication that must contain some useful > information. > > Unfortunately these can be expensive to buy but I may be able to read > copies at the University Library here in Cambridge. Usually such texts > are highly mathematical whereas what I need is a good overview which > could be easily grasped without too much maths. > > 73s > Roger G3XBM