Diversity measurements of attenuation at 37 GHz with solar-tracking radiometers

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Diversity measurements of attenuation at 37 GHz with solar-tracking radiometers

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Published

Solar-tracking radiometers spaced 10.3 km apart have shown that a considerable diversity advantage can be obtained at 37 GHz for Earth-space paths. An attenuation of 15 dB was exceeded for 0.12% of the time at a single site, and for 0.024% of the time at both sites simultaneously.

Inspec keywords: diversity reception; radiometers; attenuation measurement; tracking; microwave measurement; radiowave propagation; atmospheric electromagnetic wave propagation

Other keywords: diversity measurements; solar tracking radiometers; EHF; attenuation at 37 GHz; Earth space paths; diversity reception

Subjects: Radiowave propagation; Instrumentation and techniques for geophysical, hydrospheric and lower atmosphere research; Atmospheric, ionospheric and magnetospheric techniques and equipment; Microwave measurement techniques; Lower atmosphere

References

    1. 1)
      • P.G. Davies . Radiometer measurements of atmospheric attenuation at 19 and 37 GHz along Sun-Earth paths. Proc. IEE , 2 , 159 - 164
    2. 2)
      • K.N. Wulfsberg . Path diversity for mm-wave earth-to-satellite links. Radio Sci. , 1 - 5
    3. 3)
      • Davies, P.G.: `Slant path attenuation at frequencies above 10 GHz', Propagation of radio waves at frequencies above 10 GHz, 1973, IEE Conf. Publ. 98, p. 141–149.
    4. 4)
      • P.G. Davies . Radiometer studies of atmospheric attenuation of solar emission at 19 GHz. Proc. IEE , 6 , 737 - 741
    5. 5)
      • Wilson, R.W., Mammel, W.L.: `Results from a three radiometer pathdiversity experiment', Propagation of radio waves at frequencies above 10 GHz, 1973, IEE Conf. Publ. 98, p. 23–27.
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