No subject

km1h@juno.com km1h@juno.com
Tue, 25 Feb 1997 09:18:31 EST


>>Hi Lee.
>
>I gave up years ago trying to make a 2 wire beverage (550' ) work well.
>None of the published transformer designs worked worth a hoot and as you
>discovered front to back was nil.
>
>After a lot of time dragging test equipment outside and completely
>redesigning the transformers I was able to get about 10-15dB f/b.  But
in
>the primary direction (South) it was way noisier than a classic single
>wire terminated Beverage of identical length and 300' away. It soon
>became a single wire pointing North and it performs well. The 2 antennas
>show a solid 20-30dB of directivity. 
>
>With the transformer network on the bench I was able to obtain the
>predicted balance but it just never did a good job outside.  
>
>Maybe it is my QTH and the ground; I dont know since others appear to
>like the 2 wire. Perhaps another reader can comment on how close two
>independent,  parallel but opposite direction, Beverages can be without
serious compromise. 
>
>73......Carl    KM1H
>



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