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Old July 9th 03, 05:41 PM
Michalkun
 
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"Vince Fiscus, KB7ADL" wrote in
:

Michalkun wrote in
.251:

How does one can determine the impendance of a wire to get the right
balun for it, so it can be hooked up to the coaxial cable?



You don't say what kind of wire antenna you are using, but I don't
think I would worry about using a balun if you're just using the wire
antenna for receiving. If your antenna is a dipole, just connect the
wires straight to the coax. If you still want a balun, buy a one to
one balun for the dipole or just make a coax balun, coil seven to ten
turns of coax six inches in diameter. If your wire antenna is a loop
or folded dipole, you'll want a four to one balun.

And if you're reeeeally stuck on getting just the right balun, you
can find out what the impendence of your antenna is with an antenna
analyzer. MFJ make a cheap one, but I wouldn't waste the money buying
an analyzer just for a receive setup.


With the coax coiling where should I coil it, close to the antenna or close
to the radio? Do you have any idea how many coils give what ratio?
 
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