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http://dx.doi.org/10.11003/JPNT.2020.9.1.1

Ionospheric TEC Monitoring over Jeju Island using the Chinese BeiDou Satellite Navigation System  

Choi, Byung-Kyu (Space Science Division, Korea Astronomy and Space Science Institute)
Lee, Woo Kyoung (Space Science Division, Korea Astronomy and Space Science Institute)
Sohn, Dong-Hyo (Space Science Division, Korea Astronomy and Space Science Institute)
Yoo, Sung-Moon (Space Science Division, Korea Astronomy and Space Science Institute)
Roh, Kyoung-Min (Space Science Division, Korea Astronomy and Space Science Institute)
Joo, Jung-Min (Navigation R&D Section, Korea Aerospace Research Institute)
Heo, Moon Beom (Navigation R&D Section, Korea Aerospace Research Institute)
Publication Information
Journal of Positioning, Navigation, and Timing / v.9, no.1, 2020 , pp. 1-6 More about this Journal
Abstract
The Chinese BeiDou Satellite Navigation System consists of three kinds of constellations: the geostationary Earth orbit (GEO), the inclined geosynchronous satellite orbit (IGSO), and the medium Earth orbit (MEO). The BeiDou has expanded its service coverage from regional to global. Recently, the BeiDou has been widely used in ionospheric total electron content (TEC) research. In this study, we analyzed the BeiDou signals for ionospheric TEC monitoring over Jeju Island in South Korea. The BeiDou GEO TEC showed a clear pattern of diurnal variations. In addition, we compared the TEC values from the BeiDou GEO, the BeiDou IGSO, GPS, and International GNSS Service (IGS) Global Ionosphere Maps (GIM). There was a difference of about 5 TEC units between the BeiDou GEO and the IGS GIM. This may be due to the altitude difference between the different navigation satellites.
Keywords
BeiDou; GEO; TEC; GIM;
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