Hourly Variation of Gaseous Attenuation at a Tropical Location in 2013
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Electromagnetic signals are attenuated by atmospheric gases is a phenomenon that has
attracted the attention of many researchers for years now. The effect of gaseous
attenuation is especially significant at frequencies from 10 GHz and above. This work
investigates hourly gaseous attenuation from 10 to 50 GHz frequency range. The hourly
and diurnal impact of gaseous attenuation at Ku, Ka and V bands frequency in 2013 at
Covenant University ota southwest Nigeria a tropical station has been investigated. One
minute integrated time atmospheric data such as pressure, temperature and relative
humidity were obtained for the location from January to December 2013 as input data to the
International Telecommunications Union (ITU-676-) gaseous attenuation model was used to
calculate the attenuation due to oxygen and water vapor is hereby presented.
Keywords
QC Physics