9-13 July 2012
Africa/Johannesburg timezone
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Ionospheric Dynamics Observed Along the South-west African Longitude GNSS-receiver chain.

Presented by Dr. Ben OPPERMAN on 12 Jul 2012 from 14:50 to 15:10
Type: Oral Presentation
Session: Space Science
Track: Track D2 - Space Science

Abstract

Signals from Global Positioning Satellites (GPS) were used to investigate the ionospheric dynamics along the 17.5 degree East meridian between Cape Town and Northern Namibia. Ionospheric total electron content (TEC) measurements calculated from GPS receivers located at Cape Town, Springbok, Keetmanshoop, Windhoek and Tsumeb served to investigate the diurnal, seasonal and latitudinal variation along the meridian during quiet and geomagnetic disturbed days of 2011. Results were compared with the International Reference Ionosphere (IRI) model. GPS-derived TEC measurements confirmed theoretical expectations but supplied revealed finer ionospheric structure not attainable by theoretical models.

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Location: IT 4-3


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