I used fiberglass type window screen rolled up tight. Made like a cigarette
filter and put in every element and boom ends. Had trouble with mud wasps or
similar insect building nests and causing corrosion. They would pack it tight
and elements would fail due to the corrosion of aluminum. QST had an article
about it sometime ago.
73, Steve w1dxh
Steven L. Jobes
Backflow/cross connection coordinator
Town of Northborough
Water&Sewer Department
(508)-393-5030
[email protected]
> On Jul 21, 2019, at 3:18 AM, Jim Brown <[email protected]> wrote:
>
>> On 7/20/2019 5:57 PM, Don Havlicek wrote:
>> To keep critters out of the boom, put a "foam" ball in the ends of the boom.
>> Use one of porous material so moisture can get out, but critters cannot get
>> in!
>
> But why do we care, Don? RF current flows on the outer surface of the
> elements. To me, the only issue is corrosion at junctions, which is a
> separate issue that others have well addressed.
>
> 73, Jim K9YC
>
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