Return-Path: Received: (qmail 67354 invoked from network); 15 Jan 2004 14:40:51 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 15 Jan 2004 14:40:51 -0000 Received: (qmail 28778 invoked from network); 15 Jan 2004 14:40:51 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-Priority: 3 X-MSMail-Priority: Normal Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 15 Jan 2004 14:40:49 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Ah8fx-0007JB-6b for dave@picks.force9.co.uk; Thu, 15 Jan 2004 14:40:49 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ah8fe-0004a5-0j for rs_out@blacksheep.org; Thu, 15 Jan 2004 14:40:30 +0000 Received: from [165.212.11.110] (helo=cmsrelay01.mx.net) by post.thorcom.com with smtp (Exim 4.14) id 1Ah8fa-0004ZZ-F0 for rsgb_lf_group@blacksheep.org; Thu, 15 Jan 2004 14:40:26 +0000 Received: from cmsapps02.cms.usa.net (165.212.11.138) by cmsoutbound.mx.net with SMTP; 15 Jan 2004 14:39:54 -0000 Received: from usa.net [151.37.47.30] by cmsapps02.cms.usa.net (ASMTP/dibene@usa.net) via mtad (C8.MAIN.3.11E) with ESMTP id 161iaoonz0498M38; Thu, 15 Jan 2004 14:39:51 GMT X-USANET-Auth: 151.37.47.30 AUTH dibene@usa.net usa.net Message-ID: <4006A641.1070809@usa.net> Date: Thu, 15 Jan 2004 15:40:01 +0100 From: "Alberto di Bene" User-Agent: Mozilla/5.0 (Windows; U; Win98; en-US; rv:1.4) Gecko/20030624 Netscape/7.1 (ax) X-Accept-Language: en-us, en MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <014d01c3dac6$cd3aabe0$f89a8418@Peter> <4005E8D7.7000301@mindspring.com> <008301c3db50$4b377c60$b3c428c3@captbrian> In-reply-to: <008301c3db50$4b377c60$b3c428c3@captbrian> Subject: Re: LF: Re: lf andnoise and offshore. Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.8 required=5.0 tests=FAKE_HELO_USA_NET autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 captbrian wrote: >Franks interesting bit about reception in NC refers to 770khz - a long way >from 136 - which in turn is a long way from the navy/submarine freqs. >(anyone know what the navy freqs. are ? ) > > > From the site of Renato Romero ( http://www.vlf.it/submarine/sbmarine.html ) : ---- Signals directed to atomic submarines in immersion. USA and Russia transmit in the ELF band generating a slow binary code. Frequencies are 76 Hz for the U.S. system and 82 Hz in the Russian system; the E.R.P. (Effective Radiated Power) is small, probably a few Watts, but signals are receivable around the world. ---- Note : they are 76 and 82 Hertz, not kilohertz... 73 Alberto I2PHD