Ignoring the traps, the current distribution in the element is a sine
wave with a maximum at the center and zero at the ends. The current
does all the radiating, so I don't see how four inches at the ends could
have any kind of measurable effect on the performance of the antenna.
Dave AB7E
AD5VJ Bob wrote:
> I am reading a thread after searching the archives from 1998 that is talking
> about the straightening, leveling of elements. Some
> good information here and is being absorbed, thanks to all.
>
> I originally was searching for a different answer:
>
> I have a TH6DXX and have just assembled it and it is laying on three
> fiberglass chairs out in the back yard. It is not new, but
> used. I have noticed after preliminary construction of all parts that the end
> most reflector mounting bracket is bent such that the
> reflector ends bend in towards the front of the beam. It is as though someone
> after assembling it placed it on its end and rocked it
> back and forth or something.
>
> Do I need to buy a new bracket (diminished F/B?), it is not apparent that any
> mechanical soundness has been lost in the structure of
> the bracket, in other words is looks as strong as the others, it is just bent
> forward whereby the ends of the reflector comes angled
> forward about 4 inches at each end somehow.
>
> Just worried about the specs taking a hit as a result.
>
> Bob AD5VJ
>
> _______________________________________________
>
>
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
>
>
_______________________________________________
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
|