Investigation of the effects of precipitation on parabolic antennas employing linear orthogonal polarisation at 11 GHz

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Investigation of the effects of precipitation on parabolic antennas employing linear orthogonal polarisation at 11 GHz

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© The Institution of Electrical Engineers
Published

The results of an investigation on the effects of precipitation on the crosspolarisation discrimination attainable from parabolic antennas for orthogonal linearly polarised radio signals at 11 GHz are given. In particular, results of artificial wetting experiments on the dish and feed apertures are presented, together with a summary of the results from natural precipitation (including snow) on an antenna when used on a short test link.

Inspec keywords: radiowave propagation; interference; microwave antennas; electromagnetic waves

Other keywords: 11 GHz; radiowave propagation effects; crosspolarization; parabolic antennas; interference

Subjects: Radiowave propagation; Antennas; Antenna theory

References

    1. 1)
      • L. Thourel . (1966) , The antenna.
    2. 2)
      • P.A. Watson , F. Goodall , S. Ghobrial . , Mutual interference between linear crosspolarised radio channels at 11 GHz.
    3. 3)
      • Evans, B.G., Fryatt, A.J., Read, J., Thompson, P.T.: `Investigation into orthogonal polarisation at X band frequencies', 34, Telecommunication Systems Group report, April 1971.
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