New data All categories News Maintenance New data Event 12/11/2019 New data GCOM-C (SST, Chlorophyll-a) data are added. 10/02/2019 New data Mobile spatial statistics data are added. 08/30/2019 New data AMeDAS(weather data) and ASTER GDEM2(Digital Elevation Model) data are added. 08/01/2019 New data HIMAWARI-8 data is added. 06/28/2019 New data Release Tellus OS ver1.1 1 2 3 4