At 04:29 PM 1/23/05, you wrote:
>I have seen the "screw in the ends" modification and am leaning in
>that direction. But they need to be well sealed I am sure to prevent
>corrosion and the associated noise that can be produced.
>
>I understand that the element to the support contact needs to be
>welded also to remove that intermittent connection and the
>possibility of corrosion causing noise if used in repeater service.
>
>Russ
>N4KOX
I've also seen a DB224 that was modified by a ham. He cut
the elements just inside the curve and spliced in tubing (that
was picked so that the inside diameter just fit the outside
diameter of the element) to stretch the element. Four elements
times two upper and two lower cuts = 16 new joints. He used
hacksaw cuts tubing and stainless steel hose clamps to verify
the lengths. After the test was done the antenna was took back
down and everything welded.
The modified antenna was coupled with a new harness made for
2m and the combination outperformed anything else at that site.
Mike WA6ILQ
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