Search Results - "NGWIRA, C. M"

Interhemispheric comparison of GPS phase scintillation at high latitudes during the magnetic-cloud-induced geomagnetic storm of 5―7 April 2010 by PRIKRYL, P, SPOGLI, L, SPANSWICK, E, DONOVAN, E, WEATHERWAX, A. T, BRISTOW, W. A, ALFONSI, L, DE FRANCESCHI, G, ROMANO, V, NGWIRA, C. M, OPPERMAN, B. D. L, JAYACHANDRAN, P. T, KINRADE, J, MITCHELL, C. N, NING, B, LI, G, CILLIERS, P. J, TERKILDSEN, M, DANSKIN, D. W

“…Arrays of GPS Ionospheric Scintillation and TEC Monitors (GISTMs) are used in a comparative scintillation study focusing on quasi-conjugate pairs of GPS…”
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Present day challenges in understanding the geomagnetic hazard to national power grids by Thomson, A.W.P., Gaunt, C.T., Cilliers, P., Wild, J.A., Opperman, B., McKinnell, L.-A., Kotze, P., Ngwira, C.M., Lotz, S.I.

“…Power grids and pipeline networks at all latitudes are known to be at risk from the natural hazard of geomagnetically induced currents. At a recent workshop in…”
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Responses of equatorial F region to different geomagnetic storms observed by GPS in the African sector by Adewale, A. O., Oyeyemi, E. O., Adeloye, A. B., Ngwira, C. M., Athieno, R.

“…This article presents the first results regarding the investigation of the response of the equatorial ionospheric F region in the African sector during…”
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Responses of equatorial F region to different geomagnetic storms observed by GPS in the African sector: RESPONSES OF EQUATORIAL F REGION by Adewale, A. O., Oyeyemi, E. O., Adeloye, A. B., Ngwira, C. M., Athieno, R.

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An investigation of ionospheric disturbances over South Africa during the magnetic storm on 15 May 2005 by Ngwira, C. M., McKinnell, L. A., Cilliers, P. J., Yizengaw, E., Opperman, B. D. L.

“…The effects of the 15 May 2005 severe geomagnetic storm on the South African ionosphere are studied using ground-based and satellite observations. Ionospheric…”
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