NEC-LIST: Mast Radiator Ground losses

Hi

I have been working with mast radiators for ship-shore distress
communications by groundwave on 2,182 kHz. For cost reasons the
height of the antenna and radius of the earth mat may be as short as
10m (26 degrees)

The very poor ground encountered on one site led me to try to use NEC
to determine the amount of power absorbed by the ground around the
antenna. I tried to evaluate the E and H field losses [Watt, "VLF
Radio Engineering", section 2.4] using the NE and NH commands to
determine nearfield values over a matrix of points. I feel that this
should enable me to determine surface impedance and loss per unit
area, but I am unsure how to manipulate the numbers.

I would be pleased for any suggestions.
  
Thanks

Phil Ede
Received on Tue Mar 14 2000 - 05:29:25 EST