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The dual frequency Global Positioning System (GPS) observation data from International GNSS Services (IGS) stations established at Bangalore (IISC) and Hyderabad (HYDE) are processed to estimate the change in ionospheric total electron content (TEC) in response to the annular solar eclipse of 15 January 2010. This event was unique since it took place during solar minimum. It was a geomagnetically...
The present paper deals with investigation of ionospheric electron density over low latitude Indian region from seven ground based dual frequency global positioning system (GPS) stations across Indian region. The electron density in terms of total electron content (TEC) is estimated from the parameters of GPS observation at different locations and compared with international GNSS service global ionosphere...
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