My 80M antenna is a low, loaded dipole fed with balanced window line.  As the 
center impedance is  low the high impedance window line tries to invert the 
impedance to a much higher value.  The feedline is only 25' long and terminates 
in a 1:1 balun which is then connected to a remote autotuner via 24 inches of 
9913F.

The question is:

Has anyone run any RF loss tests on the commonly available 12 gauge clear PVC insulated 
"speaker" wire.  The impedance would be quite low, probably in the 90 ohm 
range, and world certainly handle the applied power (500 watts) but I have not been able 
find any information regarding RF loss.

Michael Blake
[email protected]
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