What it buys you is a fairly good way to get a balanced line through the
wall without severely unbalancing the line or coupling RF to wood,
metal, etc. The short length of the coax going through the wall adds
insignificant loss at HF frequencies.
Dave AB7E
Dan Zimmerman N3OX wrote:
>> I saw something somewhere about using coax as ladder line to get out of your
>> house. >Seems like the center leads of a pair of coax were connected as if
>> they were the ladderline at >the tuner and the shields tied together and
>> then to ground at the station. The ends outside of >the house then had the
>> two center leads tied to the real ladderline and the shields tied >together
>> at that point also.
>>
>
> Yes, you can do this to make balanced shielded line, but it doesn't
> buy you a whole lot. It has basically the same loss as a single coax
> run, which can be quite a lot if you're using open wire or window line
> to feed a multiband antenna with a tuner.
>
>
> 73,
> Dan
> _______________________________________________
>
>
>
> _______________________________________________
> 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
|