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Old April 6th 06, 05:32 AM posted to rec.radio.amateur.antenna
Dave Oldridge
 
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Default Must 300 ohm feedline be kept completely clear of contact w anything?

Thomas anonymous wrote in
:


How critical is it to mount twinlead feedline (300 ohm TV ribbon type)
so that it doesn't come into contact with anything? Obviously, with


You don't want unbalanced coupling between one side of the feedline and
something else. That would unbalance the feedline. You MAY not want the
impedance bump that comes with equal coupling on both sides, though that
might be tolerable if you're tuning the line anyway. And you don't want
lossy coupling of any kind.

--
Dave Oldridge+
ICQ 1800667
VA7CZ
 
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