Topband: A 160 Meter antenne puzzle

[Carl]

> Is it really necessary to isolate the vertical from the pressure treated 4 
> x
> 4 with PVC tubing and is it really necessary to install a 1:1 balun 
> between
> the antenna and feedline in this 4-square receiving array?


With that antenna, absolutely and due to the very high impedance seen at its 
base which is modified by the poor dielectric constant of the chemically 
treated wood.

This goes back to ancient days when wood boiled in parrafin was a barely 
acceptable insulator for OWL.

Carl
KM1H