Return-Path: Received: from mtain-dd06.r1000.mx.aol.com (mtain-dd06.r1000.mx.aol.com [172.29.64.146]) by air-dc02.mail.aol.com (v129.4) with ESMTP id MAILINDC023-864e4d5ff3748; Sat, 19 Feb 2011 11:44:36 -0500 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dd06.r1000.mx.aol.com (Internet Inbound) with ESMTP id 08AAD38000126; Sat, 19 Feb 2011 11:44:34 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1PqpuG-0005qv-8l for rs_out_1@blacksheep.org; Sat, 19 Feb 2011 16:43:40 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1PqpuF-0005qm-Pp for rsgb_lf_group@blacksheep.org; Sat, 19 Feb 2011 16:43:39 +0000 Received: from out1.ip08ir2.opaltelecom.net ([62.24.128.244]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1PqpuD-00045k-1f for rsgb_lf_group@blacksheep.org; Sat, 19 Feb 2011 16:43:39 +0000 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ai0BAOWBX01Z8ngc/2dsb2JhbACCSpUgDo49c7oehV4EgWiOAIJ2 X-IronPort-AV: E=Sophos;i="4.62,192,1297036800"; d="scan'208,217";a="480642846" Received: from unknown (HELO xphd97xgq27nyf) ([89.242.120.28]) by out1.ip08ir2.opaltelecom.net with SMTP; 19 Feb 2011 16:43:30 +0000 Message-ID: <00a101cbd054$234a8e30$0401a8c0@xphd97xgq27nyf> From: "mal hamilton" To: References: <007501cbd04d$2690bcb0$0401a8c0@xphd97xgq27nyf>, Date: Sat, 19 Feb 2011 16:43:29 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: Re: LF: Antennas es power Content-Type: multipart/alternative; boundary="----=_NextPart_000_009E_01CBD054.22EDA120" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.8 required=5.0 tests=HTML_30_40,HTML_MESSAGE autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d40924d5ff3726f8d X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none ------=_NextPart_000_009E_01CBD054.22EDA120 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Laurence there is a BIG difference between radio amateur transmitted= signals and Commercial operators Regarding LF plots, suffice it to say that if you read my message you= will see that I can copy OE5ODL on 9 Khz in a qrs 3 window. and supplied screen shots for verification. What is the point sending a 1 - 24 Khz plot also I use narrow band rec= eption not wideband. Mal/G3KEV =20 ----- Original Message -----=20 From: Laurence KL7UK=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Saturday, February 19, 2011 4:27 PM Subject: RE: LF: Antennas es power =20 "proper elevated antenna is wasted time except one is content with= a few kilometres coverage, and..."=20 Mal - try telling that to the Russian, US, Chinese Mi$#tary and Anta= rctic VLF research stations that - they appear to have other effective= solutions to radiate VLF or lower globally and are certainly not ele= vated in some forms :-) =20 Ill still be very interested in my request for your wideband VLF plo= ts Mal - even if its just over a couple of hours from 1Khz to 24KHz sa= y - more if you have it. I just dont know how your view of VLF is in= NE England, near that beautiful county of Lancashire. =20 Cheers Laurence KL7 UK aka G4DMA et al =20 ----------------------------------------------------------------------= -------- From: john.rabson@numeo.fr Date: Sat, 19 Feb 2011 17:10:58 +0100 To: rsgb_lf_group@blacksheep.org Subject: Re: LF: Antennas es power On 19 Feb 2011, at 16:53CET, mal hamilton wrote: On VLF es LF especially, using anything but a proper elevated ant= enna is wasted time except one is content with a few kilometres covera= ge, and=20 earth probe inductive/conduction devices are only good for Cave Di= vers. Wrong. They are used by cavers generally, not just divers, and dive= rs usually only use radio when they come up for air. John F5VLF ------=_NextPart_000_009E_01CBD054.22EDA120 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Laurence there is a BIG difference be= tween radio=20 amateur transmitted signals and Commercial operators
Regarding LF plots, suffice it to say= that if you=20 read my message you will see that I can copy OE5ODL on  9 Khz in= =20 a  qrs 3 window.
and supplied screen shots for=20 verification.
What is the point sending a 1 - 24 Kh= z plot also I=20 use narrow band reception not wideband.
 Mal/G3KEV
 
----- Original Message -----
From:=20 Laurence KL7UK
Sent: Saturday, February 19,= 2011 4:27=20 PM
Subject: RE: LF: Antennas es= power

 
"proper elevated antenna= is wasted=20 time except one is content with a few kilometres coverage, and..."= =20

Mal - try telling that to the Russian, US,= =20 Chinese Mi$#tary and Antarctic VLF research stations that= - they=20 appear to have other effective solutions to radiate VLF or= lower=20  globally and are certainly not elevated in some forms=20 :-)
 
Ill still be very interested in my request for your= wideband=20 VLF plots Mal - even if its just over a couple of hours from 1K= hz to=20 24KHz say - more if you have it. I just dont know how your view of= VLF=20 is in NE England, near that beautiful county of=20 Lancashire.
 
Cheers Laurence
KL7 UK aka G4DMA et=20 al
 

From: john.rabson@numeo.fr
Date: Sat, 19 Feb 2011 17:10:58 +0100<= BR>To:=20 rsgb_lf_group@blacksheep.org
Subject: Re: LF: Antennas es power
On 19 Feb 2011, at 16:53CET, mal hamilton wrote: