I hate it when the chickens do that !
73 de Gary, AA2IZ
----- Original Message -----
From: "WILLIAM MANSEY; WA2PVK" <res0wsci@verizon.net>
To: <TenTec@contesting.com>
Sent: Tuesday, January 21, 2003 6:12 PM
Subject: Fw: [TenTec] [OT] Metal Roof as Ground Plane
>
> ----- Original Message -----
> From: "WILLIAM MANSEY; WA2PVK" <res0wsci@verizon.net>
> To: "George, W5YR" <w5yr@att.net>
> Sent: Tuesday, January 21, 2003 6:10 PM
> Subject: Re: [TenTec] [OT] Metal Roof as Ground Plane
>
>
> > I happen to be somewhat "space challenged" and am limited as to what
> > antennas I can put up. I do live in a private house on it's own lot but
> the
> > lot is not that large and there are power lines in all the wrong places!
> > I had a Hustler 6BTV but this did not work well because I did not have
> > enough room for radials. (ground mounted)
> > My next venture was a Cushcraft MA5V vertical. This covers 20 thru 10
> > meters and is rather small & lightweight. It has 4 four foot long
radials
> > and I will admit being quite skeptical. That skepticism dried up and
blew
> > away after I easily made contacts in Antarctic, Australia, and New
Zealand
> > among other places. I have a Jupiter and run it "barefoot". I have
even
> > managed to get through some rather large DX pile-ups with this
> arrangement.
> > I was so impressed that I went ahead and bought a second MA5V to use
with
> my
> > Orion. I also have a multi-band inverted V and a sloper.
> > The first MA5V is mounted on a 6 foot mast that is attached to a vent
pipe
> > on the roof. This places the base of the antenna at about 18' above the
> > ground. The second one is mounted at about the same height but on a
> push-up
> > pole on the other side of the house. It works as well as the first one.
> > This covers the "ground plane" part of the original message. Now for
the
> > other part: I agree that for the roof to be effective it must be one
> piece
> > from the viewpoint of RF. Anything less than good continuity will cause
> > problems and/or render the roof ineffective as a ground plane.
> > Not only that BUT any chickens in the barn will lay hard boiled eggs!
> 73,
> > Bill
> >
> >
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