Abstract
A GPS Ionospheric Scintillation and TEC Monitor (GISTM) receiver, GPStation-6, has been installed at UTeM Station, Malaysia (2.31° N, 102.32° E) to study the ionospheric variability at a low-latitude location. The gps receiver was tracked the scintillation index for both L1 and L2 gps signals. This study focuses on the amplitude scintillation observed over UTeM Station for week 1748 until week 1766 (8th July 2013 to 17th November 2013) where it was mostly during the maximum state of solar activity. The scintillation index show that their occurrence is almost at night for week 1748 and the S4 index in this region do not exceed the value of 0.8 for both L1 and L2 signal. Observation also shows that the overall scintillation parameter, S4 for the L1 signal are generally higher as compared to L2 signal. It may due to the carrier frequency of the gps signal. We considered negligible scintillation activity in UTeM Station for S4<0.1 and strong when S4>0.4.
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