Letter | Published:

Inadequacy of Scatter Mechanisms in Tropospheric Radio Propagation

Abstract

FOR a decade or more the propagation of radio waves far beyond the horizon in the very high-frequency, ultra high-frequency and super high-frequency bands, together with their characteristic fast and deep fading, has been explained almost exclusively in terms of temporally and spatially random scattering from dielectric irregularities in the atmosphere. The scattering was assumed to occur at ‘blobs’ located in the region of intersection of transmitter and receiver antenna lobes, and some agreement with experiment was found to be possible by arbitrary adjustment of boundary conditions and statistical parameters.

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References

  1. 1

    Waterman, A. T., jun., Trans. Inst. Rad. Eng., AP6, No. 4 338 (1958).

  2. 2

    Kitchen, F. A., Richards, E. G., and Richmond, I. G., Proc. Inst. Elec. Eng., 105B, Supp., 106 Fig. 6 (1958).

  3. 3

    Avsec, D., ‘Tourbillons Thermoconvectifs Dans L'Air,’ P.S.T., No. 155 (Paris, Ministere De L'Air, 1939).

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