[TowerTalk] Choking on chokes

[Ian White]

>
>A Yagi with a center-fed driven element and installed on a tower is
>probably as close as any antenna can ever come to being symmetrical and
>balanced. Therefore common-mode current on the feedline is likely to be
>small, and also quite easily suppressed. Even quite a poor common-mode
>choke will often seem to work for situations like this - not because the
>choke was much good, but because this was a "soft" problem, easy to
>solve.
>
>
>73 from Ian GM3SEK
>
>## feeding a yagi with no balun at all..and just coax taped to the boom, imo,
>would result in something a lot worse than a ...”soft problem”. 

I never said that a Yagi doesn't *need* a balun!

Using no balun at all would just be a fool's way of turning a "soft" common-mode problem into a tough one.


73 from Ian GM3SEK