On Fri, Nov 14, 2003 at 04:50:10AM +0000, firstname.lastname@example.org wrote:
> I have been reading many years of Reflector Archives on TT, but have never
> seen a post relating to the Hy-Gain "Patriot" AV-640 eight band vertical.
> This is one of Hy-Gain's latest additions (several years back)of "no-radial"
> end fed verticals that resonates on each band as an 3/8 wavelength radiator.
> This is done with no traps, utilizing individual 3/8 wave radiators on 6,
> 10, 12, 15 & 17 meters with the main radiator operating on 20, 30 & 40 meters
> using parallel top loaded coils and individual capacity hats. They use a
> matching network (toroidal transformer & current balun)and 72" counterpoises
> on the base for matching.
> Going back through many years of publications, I found several "New Product"
> tests that spoke "favorably" about the antenna's performance as long as it is
> mounted per the Hy-Gain's suggestions: at least 8' from ground and higher is
> Looking for any feed-back on this antenna. I've read all the views, opinions,
> about all the others: Butternut, GAP, MFJ-1792/1793, etc but nothing on this
> series. Would this make a "decent" antenna for a "home, away from home" setup
> that has limited space available? Thanks in advance.
The AV-640 is quite similar to the Cushcraft R8 (which fared quite well
in the K7LXC/N0AX report on verticals), except that it uses the coils
and capacity hats instead of traps. As I am physically no longer able
to climb a tower, I was looking for a good multi-band vertical and in
light of this similarity and its lower price compared to the R8, I
bought one and installed it at ~13 ft (no radials, but fairly good
ground characteristics) a year ago.
I have been satisfied with its performance, which surpasses the low
dipole I used previously. No magic, but it works at least as well as I
expected. I can use it over the full width of any of the bands using
the internal tuners of my TS-570 and K2. I have even loaded it on 80
and 160, working stations at distances over 1000 miles.
Bob Nielsen, N7XY n7xy (at) n7xy.net
Bainbridge Island, WA http://www.n7xy.net
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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