Spatial Variation of Radio Refractivity Across Nigeria

Abstract: 

Abstract- The monthly average radio refractivity of Sokoto, Ikeja, Lokoja, have been determined using the data of temperature, pressure and relative humidity between 1971 and 1980 of Nigeria Meteorological Agency (NIMET). The workemployed ITU-R model to determine the various parameters. The result showed that there was variation in the monthly radio refractivity of the  study but more noticed in Sokoto compared to Ikeja and Lokoja. It was shown that Sokoto with the highest elevation has the lowest average monthly refractivity while Ikeja with the lowest elevation has the highest average monthly refractivity.

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