Ionospheric time-delay over Akure using global positioning system observations

Citation:
Bolaji, OS, Ixang PA, Oladosu OR, Koya F, Fayose RS, Rabiu BA.  2015.  Ionospheric time-delay over Akure using global positioning system observations. Acta Geophysica. 60(3):884-899. copy at www.tinyurl.com/y4zz323p