GPS-based ionosphere modeling: A brief review
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Ionosphere modeling has been a highly interesting subject within the scientific community due to its effects on the propagation of electromagnetic waves. Propagation of electromagnetic waves is affected by the electron density in the ionosphere. This electron density is not permanent and it can represent regular and irregular variation according to various factors. Particularly in satellite-based studies (e.g., Positioning with GPS) the structure of the ionosphere must be analyzed well and modeled for removing its effect. Various methods have been proposed for modeling the ionosphere since 1970. In recent years, GPS is used in ionosphere modeling studies extensively. In this paper, the structure of the ionosphere, some developed models and particularly GPS based ionosphere modeling studies are briefly reviewed.
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Ionospheric Modelling using GPS to Calibrate the MWA. I: Comparison of First Order Ionospheric Effects between GPS Models and MWA ObservationsArora, B.; Morgan, John; Ord, S.; Tingay, Steven; Hurley-Walker, Natasha; Bell, M.; Bernardi, G.; Bhat, Ramesh; Briggs, F.; Callingham, J.; Deshpande, A.; Dwarakanath, K.; Ewall-Wice, A.; Feng, L.; For, B.; Hancock, Paul; Hazelton, B.; Hindson, L.; Jacobs, D.; Johnston-Hollitt, M.; Kapinska, A.; Kudryavtseva, N.; Lenc, E.; McKinley, B.; Mitchell, D.; Oberoi, D.; Offringa, A.; Pindor, B.; Procopio, P.; Riding, J.; Staveley-Smith, L.; Wayth, Randall; Wu, C.; Zheng, Q.; Bowman, J.; Cappallo, R.; Corey, B.; Emrich, David; Goeke, R.; Greenhill, L.; Kaplan, D.; Kasper, J.; Kratzenberg, E.; Lonsdale, C.; Lynch, Mervyn; McWhirter, S.; Morales, M.; Morgan, E.; Prabu, T.; Rogers, A.; Roshi, A.; Shankar, N.; Srivani, K.; Subrahmanyan, R.; Waterson, M.; Webster, R.; Whitney, A.; Williams, A.; Williams, A. (2015)Copyright © Astronomical Society of Australia 2015 We compare first-order (refractive) ionospheric effects seen by the MWA with the ionosphere as inferred from GPS data. The first-order ionosphere manifests itself as a ...
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