On Wed, 2008-05-21 at 21:18 -0400, Mike Bryce wrote:
> Gang..
>
> I purchased a double bazooka antenna at dayton.
Be sure its for the band you want. A bazooka is basically a single band
antenna.
>
> Got the antenna up and whoa!!! SWR out of this world. Tripped the
> Omni VII right off with a high current error.
>
> Checked the easy stuff..
>
> 1. New coax
> 2. Checked for short and open on the coax
>
>
> the antenna has what looks like a hunk of pvc plastic and end caps. I
> don't know if there is a balun or choke or whatever in there. My arrl
> antenna book shows a balun, but other references I've found there no
> mention of a balun used for a double bazooka antenna.
>
> I measured a few ohms between the shield (on antenna connector on
> the pvc thingiee) and either end of the antenna.
>
> I measured a few ohms between center pin and ground (its a so-239)
The bazooka puts a DC short on the coax.
>
> Is this right?
>
> Something is really wrong.. oh yea.. it's for 40 meters.. Inverted
> vee configuration and about 35 feet in the air.
>
> I don't have a antenna analyzer, but no where is this thing even
> close to being resonate.
>
> When I switch the Omni VII to this antenna, it sounds like the
> antenna is not there. Signals drop from S+9 to S2 and super high SWR
> from band edge to band edge.
Sounds like the coax is shorted, either the feed line or in the antenna.
That's easy to do when soldering to small poly coax.
>
> mike
>
>
> Mike, WB8VGE
73, Jerry, K0CQ
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