I have a manual for a Wilson System 3 (not 33) tribander beam. In the manual,
the coil forms for the traps look like those of a Mosley TA-33 and other
similar Mosley tribander beams.
If the System 3 manual would help you, I could photocopy it. It would probably
cost 2 or 3 units of postage to mail it.
>From: AI1P Matt Steven <KD0BVK@gmail.com>
>Sent: Apr 28, 2008 11:49 AM
>Subject: [TowerTalk] Wilson System 33 Manual
>I came into a Wilson System 33 tri-band 3 element yagi antenna recently
>but have not found a manual online via BAMA or Google. A friend
>recommended that I contact this list for advice on finding one.
>My main concern is to know what the measurements of the antenna should
>be for optimal tuning to the lower portion of the 20 meter band, as well
>as how much power this yagi can safely handle.
>I have tuned it to a tolerable SWR of 2:1 in most places with rough
>estimation but I am hopeful that it can do better.
>Thanks and 73s,
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