Multiobjective Particle Swarm Optimization to Design the Top Load of a Very Low Frequency Thirteen-Tower Umbrella Antenna

Table 2

The parameters of the antenna system model.

Parameters	Value
Center tower height (m)	387.4
Inner ring tower height (m)	358.1
Inner ring radius (m)	647.4
Outer ring tower height (m)	303.6
Outer ring radius (m)	1257.6
Sag of top load wires	4%-8%
Conductor conductivity ()	0.001
Earth conductivity ()
Input power (kW)	2000