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From: "hamilton mal" <g3kev.ham@virgin.net>
To: rsgb_lf_group@blacksheep.org
References: <DDC408CAE72CD511827A0002A5131CD6D9F600@exc_wil08>
Subject: LF: Re: RE: PART 2
Date: Sun, 9 Jun 2002 19:00:23 +0100
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----- Original Message -----
From: "Ashlock,William" <William.Ashlock@edwards.boc.com>
To: <rsgb_lf_group@blacksheep.org>
Sent: Friday, May 31, 2002 5:34 PM
Subject: LF: RE: PART 2


> You can laugh now, but don't say I didn't warn you to stay away from those
> antenna terminals once we start rocking and rolling over here at 136 -
> loopwise, that is!  ........ because that's the only smoke that will be
seen
> from this 'neck of the woods'. <G>
>
> Have a good weekend!
>
> Bill
>
> PS: I was working in some numbers last night for a "loop antenna designer
> gone wild" scenario with 100w input. Using the max size for a loop of 1WL
at
> 136k the width could be .65 mi and a height of 100ft. (This is not that
> outlandish if someone owns a farm and has access to surplus wire)  I
> calculated an ERP near 100 watts, which is dynamite power at LF!  At HF of
> course this is nothing. One can see the reason for the ERP cap, even at
100w
> input, though most guys at 1KW have a challenge reaching 1W ERP with a
> typical vertical. Seems like there should be a point where the efficiency
> drops off, however, when a loop reaches such a wide aspect ratio that it
> begins looking like a big folded diopole.

Good observation Bill, its back to the Vertical for big time!!

>
> -----Original Message-----
> From: hamilton mal [mailto:g3kev.ham@virgin.net]
> Sent: Wednesday, May 29, 2002 2:07 PM
> To: rsgb_lf_group@blacksheep.org
> Subject: LF: PART 2
>
>
> USA on fire.
> Started by a 47.4 amp spark exciting a LOOP coupled to a FOREST
>
> de G3KEV
>
>
>
>
> _____________________________________________________________________
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