Search Results - "Ngwira, C."

Auroral E‐Region as a Source Region for Ionospheric Scintillation by Makarevich, R. A., Crowley, G., Azeem, I., Ngwira, C., Forsythe, V. V.

“…Altitudinal source regions and generation mechanisms of ionospheric scintillation are investigated by employing the incoherent scatter radar (ISR) at Poker…”
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Protocol for a randomised, multicentre, four-arm, double-blinded, placebo-controlled trial to assess the benefits and safety of iron supplementation with malaria chemoprevention to children in Malawi: IRMA trial by Mwangi, Martin N., Mzembe, Glory, Ngwira, Chikondi C., Vokhiwa, Maclean, Kapulula, Mayamiko D., Larson, Leila M., Braat, Sabine, Harding, Rebecca, McLean, Alistair R. D., Hamadani, Jena D., Biggs, Beverley-Ann, Ataíde, Ricardo, Phiri, Kamija S., Pasricha, Sant-Rayn

“…IntroductionApproximately 40% of children aged 6–59 months worldwide are anaemic. Iron-containing multiple micronutrient powders (MNPs) and iron supplements…”
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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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What happens to ART-eligible patients who do not start ART? Dropout between screening and ART initiation: a cohort study in Karonga, Malawi by McGrath, Nuala, Glynn, Judith R, Saul, Jacqueline, Kranzer, Katharina, Jahn, Andreas, Mwaungulu, Frank, Ngwira, Msenga H C, Mvula, Hazzie, Munthali, Fipson, Mwinuka, Venance, Mwaungulu, Lorren, Fine, Paul E M, Crampin, Amelia C

“…Routine ART programme statistics generally only provide information about individuals who start treatment. We aimed to investigate the outcome of those who are…”
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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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Co-located Space Weather radar studies over Southern Africa by McKinnell, L., Athieno, R., Habarulema, J. B., Ssessanga, N., Ngwira, C.

“…Over the past decade considerable attention has been given to increasing the geophysical infrastructure within the African region with particular emphasis on…”
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