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Re: Antenna suggestions?


bradley glen
 

Hi there

There may be some other factor playing around with your set-up.Look at
your whole set-up from beginning.Too many Hams want greater insertion
loss ie lowest VSWR.Good SWR does'nt mean your antenna is going to
radiate and play its part in your set-up.Low SWR could work just as
good as a .20 dB insertion loss.Go through your system carefully and
take the neccssary steps to rectify your problem ,right down to the
type of connectors used.Of course no tells you that Cavities are
actually 75ohms?????etc

Good luck and don't give up.
Bradley ZR5B\Naturn Tech Manager

--- Tedd Doda <lazer@...> wrote:
From: "Tedd Doda" <lazer@...>


Could anyone recommend a good vertical to use on a 6
meter
repeater?

So far, I've tried:

- Db-201 ground plane. Not bad performance, but a
real hassle
getting the SWR down on a crowded site.

- A home brew "J-pole". Absolutely horrible
performance! SWR
was great, but I guess it's one of those antennas
that don't
duplex very well, hi!

- Now running a "look-a-like" Ringo Ranger. Better
than the
Db-201, and seems to be a great overall antenna.
Duplexes
very well!

The site I am at has a 600+ foot, a 300+ foot, and a
smaller
100 foot tower. Each are guyed, and the repeater
antenna is
mounted on top of a 25' building within all the
guys, and tower
assemblies. It could be a problem mounting a
"trombone" style
antenna, but if anyone would think it would out
perform the
Ringo, I'll give it a try.

Suggestions???


Tedd Doda CET CEO

Lazer Audio and Electronics

packet ve3tjd@va3sed
e-mail lazer@...



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