Variability of atmospheric noise temperature in 11–14 GHz band due to water vapour and clouds

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Variability of atmospheric noise temperature in 11–14 GHz band due to water vapour and clouds

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© The Institution of Electrical Engineers
Published

Variability of sky noise temperature in the 11–14 GHz band has been analysed using the results of radiometric observations carried out by the European Space Agency at twelve different locations for a number of years. Annual and worst-month values of sky noise temperature are presented to provide information on the variations in background noise observed by satellite earth stations.

Inspec keywords: satellite links; clouds; radiowave propagation; atmospheric electromagnetic wave propagation; radiometry; water

Other keywords: clouds; radiometric observations; satellite Earth stations; water vapour; SHF; GHz 0011 to 0014; atmospheric noise temperature; 11 to 14 GHz band; K-band

Subjects: Electromagnetic wave propagation and interactions in the lower atmosphere; Other electric variables measurement; Radiowave propagation; Water in the atmosphere (humidity, clouds, evaporation, precipitation); Satellite communication systems

References

    1. 1)
      • G. Brussaard . Attenuation due to rain on a slant path. Alta Freq. , 210 - 214
    2. 2)
      • UK Meteorological Office, London, : `Tables of temperature, relative humidity, precipitation and sunshine for the world', 1972, Met.O.856 C, Part III.
    3. 3)
      • G. Brussaard , P.A. Watson . Annual and annual worst month statistics of fading on earth-satellite paths at 11.5 GHz. Electron. Lett. , 278 - 280
    4. 4)
      • E.D. Damosso , S. de Padova . Some considerations about sky noise temperature at frequencies above 10 GHz. Alta Freq. , 98 - 106
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