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Title:Analysis of the Occurrence of Scintillations Observed from Bonaire, Trinidad and Brazil
Author(s):Tummala, Balaji Rohit
Contributor(s):Makela, Jonathan J.
ionospheric scintillation
global positioning system
Abstract:The GPS scintillation data collected over a period of four years between January 2008 and December 2011 from the three Caribbean sites namely Bonaire, Trinidad and Brazil is analyzed to obtain the seasonal trends for the occurrence of scintillations, which is caused by the plasma bubble. A receiver has been operational at each Caribbean site. These receivers provide the total electron content and amplitude scintillation index, S4. This S4 index helps in determining the scintillation and in turn the disturbance in the ionosphere. These disturbances are quite common from the month of January to March and start again in October and continue until December. These scintillations occur in the evening after sunset. A maximum occurrence of these irregulaties is seen from October to December. These irregularities start around 7 pm (local time) and stop around 1 am (local time). The density of these scintillations varies according to the site.
Issue Date:2011-08
Publication Status:unpublished
Peer Reviewed:not peer reviewed
Date Available in IDEALS:2014-01-17

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