Return-Path: Received: (qmail 3906 invoked from network); 17 Jul 2001 14:45:06 -0000 Received: from unknown (HELO warrior-inbound.servers.plus.net) (212.159.14.227) by excalibur.plus.net with SMTP; 17 Jul 2001 14:45:06 -0000 Received: (qmail 7784 invoked from network); 17 Jul 2001 14:44:08 -0000 Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by warrior with SMTP; 17 Jul 2001 14:44:08 -0000 Received: from majordom by post.thorcom.com with local (Exim 3.16 #2) id 15MW0p-0001K4-00 for rsgb_lf_group-outgoing@blacksheep.org; Tue, 17 Jul 2001 15:39:47 +0100 X-Priority: 3 X-MSMail-Priority: Normal Received: from d06lmsgate.uk.ibm.com ([195.212.29.1]) by post.thorcom.com with esmtp (Exim 3.16 #2) id 15MW0o-0001Jx-00 for rsgb_lf_group@blacksheep.org; Tue, 17 Jul 2001 15:39:46 +0100 Received: from d06relay01.portsmouth.uk.ibm.com (d06relay01.portsmouth.uk.ibm.com [9.166.84.147]) by d06lmsgate.uk.ibm.COM (1.0.0) with ESMTP id PAA89730 for ; Tue, 17 Jul 2001 15:20:00 +0100 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from usa.net (ss10.bld.socks.ibm.com [9.14.4.76]) by d06relay01.portsmouth.uk.ibm.com (8.11.1m3/NCO v4.96) with ESMTP id f6HEcWR125080 for ; Tue, 17 Jul 2001 15:38:33 +0100 Message-ID: <3B544DC0.DF84AE61@usa.net> Date: Tue, 17 Jul 2001 16:37:52 +0200 From: "Alberto di Bene" X-Mailer: Mozilla 4.76 [en] (WinNT; U) X-Accept-Language: en MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org Subject: LF: Re: ELF Antennas - ground loops tested. References: <7D653C9C42F5D411A27C00508BF8803D55C558@pdw-mail-r1.dstl.gov.uk> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: > [...] > Readers of Tom Clancy's "The Hunt for Red October" can work out that the US > do indeed have something like this ! The commemorative transmission from > GBR a few weeks ago also formally clears the fact that we use 16kHz for our > comms links - hopefully I will no longer have to use the word allegedly when > stating this. > [...] Not only the US do have such a system. For a page on the subject, with pointers and photos, you can look here : http://www.vlf.it/submarine/sbmarine.html 73 Alberto I2PHD