"Cecil Moore" wrote in message
. net...
André wrote:
The question now, is, why a GPA in free space does not present a 36 Ohms
impédance ?


The question is why is he modeling antenna in free space??
Planning to go there anytime soon???
Why would anyone model especially vertical antennas in free space (besides
trying to see how the donut looks)?
Verticals especially work with ground in forming the pattern and impedance.
I use and model my verticals on earth. JMO

73 Yuri, K3BU