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TEC and Scintillation Study of Equatorial Ionosphere: A Month Campaign over Sipitang and Parit Raja Stations, Malaysia

Problem Statement: Ionospheric scintillations, which cause significant effects on satellite signals for communication and navigation, often takes place in equatorial region such as Malaysia. However,…
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Observations of the F3-layer at equatorial region during 2005

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First ionospheric experimental campaign and observation at Fraser's Hill, Malaysia: total electron content (TEC) and scintillation measurements

The ionosphere over Malaysia is unique because of her location near the equator where the existence of the equatorial anomaly, electrojet, and fountain effect have made it good for studies. As part…
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Student Awareness of Space Science: Rasch Model Analysis for Validity and Reliability

This study investigated the measurement functioning of an instrument on students' awareness of space science and revealed that the items are valid, reliable, and appropriate to measure awareness ofspace science.
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Comparison of maximum usable frequency (MUF) variability over Peninsular Malaysia with IRI model during the rise of solar cycle 24

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Diurnal and Seasonal Variation of Critical Frequency in Malaysia from 2005 to 2007

Ionospheric layer plays an important role as the main medium for communication of wireless radio in the High Frequency (HF) band. Critical frequencies are important parameters of the ionosphere.…
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Variations of foF2 prior to earthquakes

Earthquakes are a kind of rapid and huge energy release process of the Earth’s internal energy. The changes associated to this energy release affect the atmosphere and ionosphere around the…
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Comparison of Measured and Predicted HF Operating Frequencies During Low Solar Activity

There is a need to find reliable and accurate HF operating frequencies because of the uncertainty and variability of the ionospheric region. Therefore, the aim of this study was to observe and…
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Reduced global positioning system (GPS) positioning error by mitigating ionospheric scintillation

  • Y. HoS. Abdullah
  • Physics
    IEEE Symposium on Wireless Technology and…
  • 11 December 2014
The Global Ionospheric Scintillation Model (GISM) was used to compute amplitude scintillation parameter for each GPS satellite visible from Melaka, Malaysia as its location has strong equatorial scintillating behavior.
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Global Positioning System (GPS) Positioning Errors During Ionospheric Scintillation Event

As technology advancement progresses throughout the years in this modern age, every technology has its part to play in that the world is moving towards a brighter future. GPS (Global Positioning…
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