Stress-equivalent 10m winds over the global oceans obtained from the HY-2C HSCAT scatterometer. The HSCAT instrument is mounted on the HY-2B satellite which was launched on October 25th, 2018 by the Chinese National Satellite Ocean Application Service (NSOAS). The same instrument is mounted on the HY-2C satellite which was launched on September 21th, 2020. The Ku-band HSCAT instruments on both satellites are identical and similar to the SeaWinds and OSCAT scatterometers. The level 1b files from NSOAS are processed into level 2 wind products on 25 km and 50 km swath grids.
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