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Old January 6th 06, 04:03 AM posted to rec.radio.amateur.antenna
Dave Oldridge
 
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Default Dipoles and the rig's RF ground...

chuck wrote in
nk.net:

Is it not true that if the currents on the transmission line are
unbalanced (i.e., unequal on the two conductors) then the transmitter
must already be connected to ground? If not, what is the path of the
differential current?


There's the rub, you see. It's RF and, on some frequencies, standing waves
don't NEED to feed current to a ground for there to be common mode currents
on the line. But yes, whatever current is required at the end of the
transmission line will seek to ground itself through the radio.

My amp had the output coil center-tapped to RF ground and the feedlines
were tapped off it an equal amount on either side.


--
Dave Oldridge+
ICQ 1800667
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