Date: Fri, 13 Jul 2001 12:23:26 -0700 (PDT)
From: "John Sexton" <computernetworks@go.com>
Subject: Re: LF: RE: Near field of 9kHz antenna II
To: rsgb_lf_group@blacksheep.org
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Hi Andy,
I can manage the maths, although the arithmetic always seems to go wrong, but not being a radio engineer, the formulae are not very familiar.
Can you point me to a good source.
John, G4CNN

-----Original Message-----
From: "Andrew Talbot"<ACTALBOT@dstl.gov.uk>
To: "'rsgb_lf_group@blacksheep.org'"<rsgb_lf_group@blacksheep.org>
Date: Fri Jul 13 07:52:55 PDT 2001
Subject: LF: RE: Near field of 9kHz antenna II

>Obviously not 1/R^6 roll off then !!!>Looking at the figures for 1km and 2km it appears to be more like 1/R^2
>which is the rate of the radiation field decay - surely the H field should
>fall off  faster than that ?
>
>Very Curious.
>
>Come on, there must be someone out there who understands and can apply
>Maxwells equations :-)
>
>Andy  G4JNT
>
>
>
>
>-----Original Message-----
>From: Dick Rollema [mailto:d.w.rollema@freeler.nl]
>Sent: 2001-07-13 14:38
>To: LF-Group
>Subject: LF: Near field of 9kHz antenna II
>
>
>To All from PA0SE
>
>Here is the value of the near magnetic field up to 2km from the antenna.
>
>
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