ECMWF data and GPS-RO satellite data

ECMWF data and GPS-RO satellite data. Both ERA5 and ERA-Interim. GPS-RO data limited to 30S-30N on 5x5 latlon grid本数据集包含欧洲中期天气预报中心（European Centre for Medium-Range Weather Forecasts, ECMWF）数据与GPS无线电掩星（GPS Radio Occultation, GPS-RO）卫星观测数据，涵盖ERA5与ERA-Interim两款产品。其中GPS-RO数据的空间范围限定为南纬30°至北纬30°区间，采用5°×5°的经纬度格网。