These seem cheap enough.
http://www.rlham.com/cgi-bin/shop/modellookup.dbw?MODEL=JTCAGE
Pete K4OM
----- Original Message -----
From: "Michael Baker" <k7ddmjb@qwest.net>
To: <towertalk@contesting.com>
Sent: Friday, April 17, 2009 8:17 PM
Subject: [TowerTalk] Cage Dipole and Broadband Dipole thoughts.
> Well, I thought I might toss in a bit of thought on the subject.
>
> Insulators could be cut from rings of large diameter PVC pipe or DWV pipe,
> like 4" very easy with a cheap hacksaw and then drilled for the wires. I
> think it wouldn't make it very much broader in coverage for that diameter
> on
> 75/80 meters, however it would make a good separator for a multiband
> multiwire dipole.
> The hula hoop idea is a good one just make sure they aren't covered with
> some metallic foil tape for decoration. About $4 at your local Walmart.
> For a conductive shorting ring, just use an old piece of heavy banding, a
> snap ring off a cardboard shipping drum soldered together, a bicycle rim
> or
> what ever is handy. Heck, it you ain't too picky about shape and you have
> a
> bunch of surplus 45 degree elbows and some plastic pipe you can make it a
> nice 8 sided shape and any diameter you want. Not too ugly if you only
> need
> say 6 to 8 of them over the length of the antenna for 75/80 meters. Not
> real
> stealthy but if stealthy isn't a big deal then have at it.
>
>
> I guess the best comment I could make is "all this isn't anything new;" at
> least not to me. But then again, antennas have always been something I
> collected any book, article or info I could get ever since I got started
> in
> this hobby in '68. It sort of reminds me of mens ties. The fashion
> changes
> with time but the end result is still the same. ;>)
>
> Happy Signal Squirting....
> Michael Baker K7DD
> k7ddmjb@qwest.net
>
>
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