RE: [TowerTalk] radials

[Mike <nasfred@1bigred.com>]

Something to try for roof mounted vertical is to staple aluminum foil to 
the roof rafters in the attic and then tie it to vertical's radial system .

At 03:30 PM 9/2/03 -0700, Steven Gehring wrote:
> Since your Hustler vertical is above ground and roof mounted, I would
> install at least one individually cut and tuned 1/4 wavelength radial for
> each band of operation.  Four or more would be better.  This advice
> especially holds true for the higher bands, like 20, 17, 15, and 10M.  On 40
> and 75, the height of the antenna above ground is pretty low, so tuned 1/4
> wavelength radials aren't as necessary in my book (especially on 75/80M).
> Just put down as much wire as you can for decent 40 and 75 meter operation.
> I know it's a lot of wire, but if you want it to play well then this is the
> route to take.  If it was ground mounted (like mine), I wouldn't worry too
> much about lengths, and just put down as much copper as possible (especially
> near the base of the vert).  By the way, several articles have been written
> on tuned, above ground, radial systems.  Search the internet and magazines,
> like QST, for the articles and advice.
>
> 73,
>
> Steve Gehring, KZ9G
> Bothell, WA
> E-mail: kz9g@arrl.net
>
> -----Original Message-----
> From: towertalk-bounces@contesting.com
> [mailto:towertalk-bounces@contesting.com] On Behalf Of arholub
> Sent: Tuesday, September 02, 2003 12:52 PM
> To: TowerTalk@contesting.com
> Subject: [TowerTalk] radials
>
>
> Possibly you could help with an ongoing discussion about radials.
>
> I have a roof mounted Hustler 6BTV.
>
> One friend, as well as Hustler, recommends that radials should be cut for
> the individual frequencies.
>
> Another friend recommends that only radials cut for the lowest frequency are
> needed.
>
> My antenna loads (vswr 1.6) on 30 meters ever though no radial is cut for
> that frequency but two are cut for 40 meters.  Incidentally, my roof
> mounting only allows me to mount radials over 180 degrees since the antenna
> is on one corner of the house.  I have two radials each cut for 10/15/20/40
> meters.  Would either of the two recommendations be better or worse for
> radiation angle, etc?
>
> Thanks
> Doc
> WA6OGO
>
>
>
> Visit our web site, www.arholub.com, to get the latest news, computer class
> information and Orange Coast College marine course information.
> _______________________________________________
>
> See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless
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>
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> _______________________________________________
>
> See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless 
> Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with 
> any questions and ask for Sherman, W2FLA.
>
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        73,
        Mike, K4GMH 
_______________________________________________

See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any questions and ask for Sherman, W2FLA.

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