A comparison of Jason-2 plasmasphere electron content measurements with ground-based measurements
نویسندگان
چکیده
Abstract. Previous studies utilizing the Global Positioning System (GPS) receivers aboard Jason satellites have performed measurements of plasmasphere electron content (PEC) by determining total (TEC) above these satellites, which are at altitudes about 1340 km. This study uses similar methods to determine PEC for Jason-2 receiver 24 July 2011. These values compared previous determinations from a chain ground-based GPS in Africa using SCORPION method, with nominal ionosphere–plasmasphere boundary 1000 The PECs elevations greater than 60∘ were converted equivalent vertical and determinations. In addition, slant (off-vertical) small set nearly co-aligned PECs. latter comparison avoids any conversion PEC, it can be considered more representative comparison. mean difference between (ground-based minus measurements) is 0.82 ± 0.28 TEC units (1 unit=1016 electrons m−2). Similarly, 0.168 0.924 units. method may provide reliable determination baseline value receivers, especially if ground stations confined only midlatitude or low-latitude regions, affected non-negligible baseline.
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ژورنال
عنوان ژورنال: Annales Geophysicae
سال: 2023
ISSN: ['1432-0576', '0992-7689']
DOI: https://doi.org/10.5194/angeo-41-269-2023