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  • May 8, 2023

[Frontier Letter] New GEONET analysis strategy at GSI: daily coordinates of over 1300 GNSS CORS in Japan throughout the last quarter century

Takamatsu et al. (2023) reprocesses the daily station coordinates of J… Read more

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  • October 30, 2023

[Frontier Letter] A review of shallow slow earthquakes along the Nankai Trough

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[Frontier Letter] Monitoring of equatorial plasma bubbles using aeronautical navigation system: a feasibility study

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[Frontier Letter] New aspects of the upper atmospheric disturbances caused by the explosive eruption of the 2022 Hunga Tonga–Hunga Ha’apai volcano

An explosive eruption of the Hunga Tonga–Hunga Ha’apai (Tonga) volcano… Read more

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  • February 27, 2024

[Frontier Letter] Simulation study of atmosphere–ionosphere variations driven by the eruption of Hunga Tonga-Hunga Ha’apai on 15 January 2022

The volcanic eruption of Hunga Tonga-Hunga Ha'apai on 15 January 2022 … Read more