[TowerTalk] Shunt Loaded Tower- Effect on Yagis

[Mike Fatchett W0MU]

The XM240's reflector is insulated too unless you shorted it.


On 11/7/07 7:38 PM, "Bob Selbrede, K6ZZ" <k6zz at ccis.com> wrote:

> Folks,
> 
> What methods can be employed to avoid damaging Yagis used as
> top loading on shunt loaded towers?  Apparently this is only
> an issue with Yagis having insulated driven elements?  I've
> read references to using relays to ground driven elements
> when not in use but that creates its own set of problems
> such as reliability, etc.  My top loading will consist of an
> M2 KT-36XA at 102' and a Cushcraft XM-240 at 115' both of
> which use insulated driven elements.  I don't want to toast
> the balun(s) and need to take them back down for repair.
> 
> TIA, Bob K6ZZ
> 
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