[Xastir] Portable Digipeater Antenna?
Chris Thompson
kf4drr at windstream.net
Sun Jul 1 15:54:06 EDT 2007
On Sunday 01 July 2007 15:42:41 Gerry Creager wrote:
> Couple of thoughts here.
>
> 1. <RANT> Coax-seal is evil and messy.
> </rant>
>
> 2. For short-term protection against the elements, I recommend Scotch
> 23 or 130 rubberized splicing tape plus or minus ScotchKote.
>
> 3. If you were to expand the braid and double it back over the jacket
> of the coax, you'd achieve the decoupling you're trying to get with the
> (effectively HF) choke. A similar decoupler can theoretically (meaning,
> I've not tried this yet) with a piece of 1/2 in pvc and aluminum or
> copper tape bonded (electrically) to the shield and also .52 wave long.
>
> This is a good idea for a short-term, temporary, quickie antenna.
>
> gerry
>
are we talking short term in a pinch workable antennae?? a coax works well
enough, but if we are talking about an antennae that is already made up to
take out in the field and work with for events, camping trips, ect. then why
not build a copper J pole? they are simple enough, work well enough -- my
voice rig here at the house is working one thats stood up in the corner of my
home office (its not been mounted in the attic its future perminate home) and
are rugged enough to be just thrown in the back of a pickup or car and hauled
anywhere.
my suggestion
--
Chris Thompson
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