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The input impedance of a single antenna in close proximity to a soil surface is shown in Figure 1.
Figure 1 -
The soil in this case is modelled as a first order Debye medium.
Figure 2 -
Figure 2 shows a wire frame geometry of the cross-polarised dipoles located close to a ground surface containing a buried pipe. Figure 3 illustrates the response from this target.
Figure 3 -
Continue to example 3 - Planar Bow-Tie Antenna Configuration