Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mp06.r1000.mx.aol.com (Internet Inbound) with ESMTP id 90D5F380000B0; Fri, 23 Sep 2011 05:30:39 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1R724U-0007xt-NJ for rs_out_1@blacksheep.org; Fri, 23 Sep 2011 10:29:26 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1R724U-0007xk-7y for rsgb_lf_group@blacksheep.org; Fri, 23 Sep 2011 10:29:26 +0100 Received: from outbound-queue-2.mail.thdo.gradwell.net ([212.11.70.35]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1R724R-0003fA-WB for rsgb_lf_group@blacksheep.org; Fri, 23 Sep 2011 10:29:25 +0100 Received: from outbound-edge-2.mail.thdo.gradwell.net (bonnie.gradwell.net [212.11.70.2]) by outbound-queue-2.mail.thdo.gradwell.net (Postfix) with ESMTP id 5A3112206A for ; Fri, 23 Sep 2011 10:29:21 +0100 (BST) Received: from ctuash.plus.com (HELO Hugh) (212.159.90.113) (smtp-auth username ashford, mechanism login) by outbound-edge-2.mail.thdo.gradwell.net (qpsmtpd/0.83) with ESMTPA; Fri, 23 Sep 2011 10:29:21 +0100 Message-ID: From: "Hugh_m0wye" To: References: <000a01cc7942$09fbef90$0401a8c0@xphd97xgq27nyf> <433A1E6B2B1A4FA895223B81346E0F1C@HughLaptop> <172B542DC14B4B1D95F73D09C9759E3A@IBM7FFA209F07C> <2549B918-5230-45FF-8321-F5FD5A1DBCD1@numeo.fr> Date: Fri, 23 Sep 2011 10:29:10 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5931 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5994 X-Gradwell-MongoId: 4e7c5171.517b-d21-2 X-Gradwell-Auth-Method: smtpauth X-Gradwell-Auth-Credentials: ashford X-Spam-Score: 3.4 (+++) X-Spam-Report: autolearn=disabled,FORGED_MUA_OUTLOOK=3.36,HTML_MESSAGE=0.001 Subject: Re: LF: Re: Re: Turbine magnets Content-Type: multipart/alternative; boundary="----=_NextPart_000_001E_01CC79DB.A1E48AD0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.4 required=5.0 tests=FORGED_MUA_OUTLOOK,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-SCOLL-SCORE: 1:2:499834528:93952408 X-AOL-SCOLL-URL_COUNT: 1 x-aol-sid: 3039ac1dc14a4e7c51bc0760 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : temperror This is a multi-part message in MIME format. ------=_NextPart_000_001E_01CC79DB.A1E48AD0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable And another thing ... We are all familiar with the inverse square law, where the signal = strength diminishes with the square of distance. This only applies to a = point source, because the signal is distributed over a sphere.=20 If you have a linear source (such as the sound from a busy road, for = example) the level falls linearly, because the sound is distributed over = the surface of a cylinder. I assume the same holds for power lines, = meaning that the received signal strength at a distance from them would = be much greater than with a point source at the same distance. We notice this particularly living in a quiet village - you can usually = hear the noise of the M20, which is two miles away :-( 73 Hugh M0WYE ----- Original Message -----=20 From: John Rabson=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Friday, September 23, 2011 10:02 AM Subject: Re: LF: Re: Re: Turbine magnets On 23 Sep 2011, at 10:42CEST, Chris wrote: Hi all, Off topic I know, but whatever about magnetic effects, I agree with = Mal when it comes to the appearance of these things. They are gradually = ruining the best countryside in the UK. Mind you, the national grid = pylons are not much better, would have been well worth the extra cost to = bury the cables in my opinion.=20 One of the IET's predecessor institutions reported it would cost 7 to = 22 times as much to install a grid link undergroud instead of using = pylons. By all means do it, but remember it will cost. John F5VLF ------=_NextPart_000_001E_01CC79DB.A1E48AD0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
And another thing ...
We are all familiar with the inverse square = law, where=20 the signal strength diminishes with the square of distance. This only = applies to=20 a point source, because the signal is distributed over a sphere. =
 
If you have a linear source (such as the sound = from a=20 busy road, for example) the level falls linearly, because the sound = is=20 distributed over the surface of a cylinder. I assume the same holds for = power=20 lines, meaning that the received signal strength at a distance from them = would=20 be much greater than with a point source at the same = distance.
 
We notice this particularly living in a quiet = village -=20 you can usually hear the noise of the M20, which is two miles away=20 :-(
 
73
Hugh M0WYE
<END RANT>
 
----- Original Message -----
From:=20 John=20 Rabson
Sent: Friday, September 23, = 2011 10:02=20 AM
Subject: Re: LF: Re: Re: = Turbine=20 magnets

On 23 Sep 2011, at 10:42CEST, Chris wrote:
Hi all,
Off topic I know, but whatever = about magnetic=20 effects, I agree with Mal when it comes to the appearance of these = things.=20 They are gradually ruining the best countryside in the UK. Mind you, = the=20 national grid pylons are not much better, would have been well = worth=20 the extra cost to bury the cables in my opinion.=20

One of the IET's predecessor institutions reported it = would=20 cost 7 to 22 times as much to install a grid link undergroud instead = of using=20 pylons.  By all means do it, but remember it will cost.

John F5VLF

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