Level 1B 以及 Level 2 产品,以及电离层相关后处理数据(TEC, NE):
https://earth.esa.int/eogateway/catalog/grace-a-and-grace-b-level-1b-level-1b-combined-and-level-2-data-products?text=grace
电离层相关产品:
https://swarm-diss.eo.esa.int/#swarm%2FMultimission%2FGRACE