Topband: FCP vs Gull Wing Elevated Radials

[K4SAV]

K2AV said:
"Measured resonance of a fixed length gave us velocity factor (VF) and 
other data. VF's based on those measurements ranged from 45% to 85%. 
That huge variability certainly explained the BOG experience, and 
suggested a solution, but that's another subject."


When I did those tests at my house the velocity factor of a dipole on 
the ground was usually about 65% but many times there was no resonance 
at all, so no way to calculate velocity factor.  Total impedance was 
usually 400 to 600 ohms but resistance and reactance were all over the 
place.  That dipole was tested on the ground at various times over a one 
month period and never moved.  I can only guess that must have been due 
to variations in ground moisture content.

I was also trying to use that data to help explain BOG performance, but 
I didn't have much success.

Jerry, K4SAV