You might try mounting another beam antenna above the XM240
to take the lightning hits.
Doug
reheinri@rockwellcollins.com wrote:
> Mike,
>
> I have experienced exactly the same thing with my XM-240 here in Iowa. I
> could hear the static jump during winds and passing storms. Here are a
> couple of other observations:
> 2) I modified my XM-240 after having two of the loading elements blow up
> in near lightning hits. (And I mean blow up. I have aluminum spatter and
> the wire was tangled. The heat shrink tubing was blown away. And that was
> from a near hit. Happened twice in two consecutive summers.) Here's how I
> modified it. I grounded the reflector to the boom and I added two of the
> Wireman's "porcupine" static discharge devices on top of the tower where
> the phillystran relief cable attaches to the mast.
>
> Seems to work. Haven't had a problem in three years since the change.
>
> For reference my XM-240 is at 82 feet above a Cushcraft X-9 on top of a
> Trylon self supporting 72 foot tower.
>
> Hope this helps.
>
> Rick N0YY
>
--
Doug Renwick VA5DX
PO Box 50, Clavet, Saskatchewan, Canada S0K 0Y0
VE5RA@sasktel.net
First VE5 5BDXCC, 160M DXCC & 9BDXCC
What profit it a ham if he gains all the awards yet forfeits his soul?
I'll run the race and I will never be the same again.
_______________________________________________
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather
Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
and ask for Sherman, W2FLA.
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