On 01/20/2011 12:44 AM, W7ZZ wrote:
> N6RY and I (mostly N6RY) designed a very broadband open sleeve 80 dipole, fed
> with coax, that works very well. I have remodeled this for 40, 30 and 20
> meters. I would be happy to send anyone the EZNEC files for all versions of
> the antenna upon request, but I'm leaving for vacation, so it would be ten
> days or so before you'd get a reply from me. So far, only the 80 m antenna
> has been built and is in operation. the 40, 30 and 20 versions are models
> only so far.
I wouldn't think 40m is a wide enough band to need such an open
sleeve dipole.
On the other hand, it should be possible to mount a 30m parasitic
element inside a 40m folded dipole, and get both bands on the
same antenna.
--
All rights reversed.
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