[TowerTalk] Gem Quad Back in Production
wa3gin at comcast.net
Sat Jul 25 20:31:43 PDT 2009
I had a couple of these GEM Quads, two ele version. The first one worked
well but the glass spreader elements began to deteriorate after several
years. The second one I installed I dipped the spreaders in Spar Varnish.
The varnish kept the weather off the spreaders. They were as good ten years
later as they were new. The antenna worked fine. I had a ham neighbor about
a mile down the road...we turned our antennas back to back and I tuned the
reflector for maximum S meter dip at his station. Had great FB.
----- Original Message -----
From: "Mike" <nf4l_NO_SPAM at nf4l.com>
To: "Lee Buller" <k0wa at swbell.net>
Cc: "TowerTalk Reflector" <towertalk at contesting.com>
Sent: Saturday, July 25, 2009 11:20 PM
Subject: Re: [TowerTalk] Gem Quad Back in Production
> I had a 4 element Gem as my first directional antenna. I had it on a
> tilt-over tower, and could work on it from the ground. It was a bear to
> tune, and I don't think I ever got it right. I took off 2 elements and
> sold them, and it worked better than it did as a 4L. I never had
> anything break on it, but it would get pulled out of shape occasionally
> I think, without any empirical data, that the slanted spreaders gave it
> better spacing than a straight up and down spreader design. I put a set
> of 2 meter wires (fed separately) on it, and that worked really well.
> Overall I really liked it.
> 73, Mike NF4L
> Lee Buller wrote:
>> I have been always intrigued with the Gem Quad for years. It is now back
>> in production. Google Gem Quad. I've always been told that a Quad is
>> very hard to keep up in the air due to wind and ice. I have been told
>> they are hard to maintain. Anyone have any experience with the Gem Quad
>> design and its durability?
>> Lee - K0WA
>> The New Kansas QSO Party - August 29, Sat 9am-9pm and August 30 Sun
>> 9am-3pm CDT
>> More Info at: http://www.ksqsoparty.org/
>> In our day and age it seems that Common Sense is in short supply. If you
>> don't have any Common Sense - get some Common Sense and use it. If you
>> can't find any Common Sense, ask for help from somebody who has some
>> Common Sense. Is Common Sense divine?
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