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Equatorial ionospheric absorption
(1956)
A study has been made of the variation of absorption with frequency and sun's zenith distance χ at Ibadan at vertical incidence. Since the propagation at Ibadan is almost purely transverse, simple theories in terms of ...
Some geomagnetic effects in the equatorial F2-region
(1955)
The diurnal variations of the values of many ionospheric parameters obtained at Ibadan, Nigeria, close to the magnetic equator, are investigated on magnetically quiet days and on magnetically disturbed days. It is found ...