Enabling GPS Technology on Equatorial Ionosphere Monitoring During Geomagnetic Storm of July 15-17, 2000

A.F.M Zain, Y.H Ho and M. Abdullah

Abstract:	This paper studies enabling GPS technology on Malaysian ionosphere monitoring during geomagnetic storm, using nationwide network of GPS receivers. In this study we focus on the relative variations in Total Electron Content (TEC) at Malaysia region (equatorial region) with respect to a quiet period. Results indicate that the relative variations in TEC are variable during the storm time ranging about -20 to 25%. There were positive phase exceeds 25% TEC enhancement during the main phase of the storm. However there is clearly negative phase during the recovery phase of the storm, whose change ratio exceeds -20% TEC depression. After this, the entire ionosphere gradually recovered to normal. These preliminary results need to be compared further with other measurements from ionosonde and satellites to understand the storm evolution process and the physical mechanisms in detail.
Published in:	Proceedings of the 15th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 2002) September 24 - 27, 2002 Oregon Convention Center Portland, OR
Pages:	1341 - 1344
Cite this article:	Zain, A.F.M, Ho, Y.H, Abdullah, M., "Enabling GPS Technology on Equatorial Ionosphere Monitoring During Geomagnetic Storm of July 15-17, 2000," Proceedings of the 15th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 2002), Portland, OR, September 2002, pp. 1341-1344.
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