[SixClub] whats the best 6meter vertical gain wise

[Robin Midgett]

Hi Larry, list,
A couple of months ago I started looking into antennas to use on my 6m 
repeater. I desire a DC grounded antenna for noise immunity (verses an 
isolated antenna) and for lightning protection, with a low angle of 
radiation. "Low" is relative in this discussion.
I considered the folded dipole, and stacks thereof, and quickly discarded 
that idea due to high angles of radiation (some 75+/- degrees), and the 
vertical tower space required for stacking (to lower the angle).
Looking around further on line and in some older antenna books (ARRL), I 
found that the 1/2 wavelength over 1/2 wavelength (or 5/8 over 5/8) gives 
promising patterns.
There are dozens of illustrations of J-poles for 6m use, many of a stacked 
variety. At this point I've not built any of them, but that is my intention 
in the coming weeks.
So, the short answer is look on line via your favorite search engine for a 
"super j-pole" or stacked j-pole and see what strikes you. Provided the 
antenna can be built inexpensively and give the pattern it should (less 
than 50 or so degrees), you'll have a winner. You should also know that my 
choice to do this is heavily influenced by my current stock of aluminum 
tubing and my ability to weld it, and my interest in tinkering with antennas.


At 07:54 AM 6/10/2006, you wrote:
>Master Robin wrote:
> > How about building a 5/8 over 5/8 j-pole for the same results for much
> > less  money?
>
>OK I will bite. This sounds interesting Robin. Where would one see the plans
>for this rig? My Lowes credit card is heating up.
>
>Larry
>
>Larry Van Horn, N5FPW
>ATC (AW)      USN (Ret)
>MT Milcom/Help Desk Columnist
>Assistant Editor Monitoring Times
>Blog Address: http://mt-milcom.blogspot.com/
>
>
>
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Thanks,
Robin Midgett K4IDC
VHF+ Glutton EM66se