"GIFT-BDS: A high-resolution TEC and Gradient Ionospheric Index dataset over China derived from BeiDou GEO fixed-geometry observations"

"GIFT-BDS: A high-resolution TEC and Gradient Ionospheric Index dataset over China derived from BeiDou GEO fixed-geometry observations" - Interactive discussion https://essd.copernicus.org/preprints/essd-2026-532/ 2026-08-31T08:26:18+02:00 Copernicus Publications