Enhancing HF received fields with large planar and cylindrical ground screens

A theory is presented giving far‐field radiation patterns and surface‐wave behavior for vertically polarized antennas located at zero height over flat ground, with a surface impedance which can be discontinuous along a radius from the antenna. The theory is based on the radiation from the surface electric and magnetic currents as determined by the Sommerfeld attenuation function. Both sky‐wave and surface‐wave solutions are obtained simultaneously, with applications to ground screens, recovery phenomena, Fresnel zones, and similar engineering problems discussed with examples. In general, the results agree with those obtained using the compensation theorem.

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A modified elevation angle of radiation from a monopole on ground screens

Scott²,

Spatuzzi³

1970

IEEE Trans. Antennas Propagat.

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Enhancing HF received fields with large planar and cylindrical ground screens

Cited by 5 publications

References 7 publications

Approximate solution of the problem of the diffraction of a plane wave at a grid-type half-plane parallel to the surface of the earth, and investigation of the characteristics of the directivity of a vertical electric dipole

Approximate solution of the problem of the diffraction of a plane wave at a grid-type half-plane parallel to the surface of the earth, and investigation of the characteristics of the directivity of a vertical electric dipole

Low‐angle radiation from vertically polarized antennas over radially heterogeneous flat ground

A modified elevation angle of radiation from a monopole on ground screens

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