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What this, The Jim black balun ?
I found this at a flea market today, it looks a typical PVC balun with
so239 female on the bottom but has 35-50 foot length of 300 ohm twin lead TV cable coming out the other end, it says: The Jim Black Balun air wound 2kw pep with low swr 1.8 - 30mhz 1:1 ratio by wa4ytu - Jim Black it looks like you hook your coax to the female connector, but how do uoy rrun the 300ohm twinlead? horizonal, vertical or does it have to be cut to length? I cant find any instructions on the web for this balun/antenna. |
#2
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What this, The Jim black balun ?
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