[TowerTalk] Balun query

[Jim Lux]

At 05:15 AM 11/29/2006, Clint Talmadge wrote:
>If you have (or can borrow) an MFJ-259 there is an easy way to 
>check. Short the output connections and measure the SWR.  1:1 means 
>a 1 to 1 balun, 4:1 means a 4 to 1 balun. Even an old MFJ-249 will 
>be sufficient to tell the difference.
>
>Clint - W5CPT


Shorting the output will show shorted on the input for both.  You 
need a 50 ohm load across the output.