I hear what you are saying Guy.
Every vertical installation is a unique situation.
I dont have enough technical knowledge to determine
when my vertical antennas could do without a common mode choke.
I plan to continue using a choke on all my verticals to be safe.
73,
Bob
K6UJ
On Oct 20, 2012, at 5:02 PM, Guy Olinger K2AV wrote:
> "Just DO the common mode choke on any vertical. Don't tempt Murphy."
>
> I stand by my comments.
>
> I find after some interesting conversations that readers of posts
> often read as if written to them. So I write my posts as to the
> general audience. If an expressed situation is so specific as to be
> exceptional to general use, I reply in private.
>
> *Of course* there will be a few situations where this general purpose
> rule won't add any value. The question is whether a specific owner
> has the equipment and technical knowledge to identify those
> situations, which are highly specific and subject to all kinds of
> local influences, and whether one can post a textbook to explain the
> choices.
>
> And while theoretical situations are raised, I continue to this day
> finding situation after situation where a vertical needs common mode
> blocking to help fix it, and I've not ever once had to tell someone to
> REMOVE a common mode choke at a vertical feedpoint.
>
> I was speaking of vertical feedpoints. Dipoles are another subject.
>
> 73, Guy.
> _______________________________________________
> Remember the PreStew coming on October 20th. http://www.kkn.net/stew for
> more info.
_______________________________________________
Remember the PreStew coming on October 20th. http://www.kkn.net/stew for more
info.
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