ALOS-2 is a SAR satellite developed and operated by the Japan Aerospace Exploration Agency (JAXA) and launched in 2014. The newly added data is obtained in ScanSAR mode which is one of the observation modes of ALOS-2, and while the spatial resolution is 25m, the observation swath is 350km, enabling observations over a wide area.
This improvement makes it possible to visualize a 8-year archive of ALOS-2 ScanSAR data from August 2014 to December 2022. Users can also visualize C-band SAR observations of Sentinel-1 as well as optical observations of Landsat-4, 5, 7, 8, 9, and Sentinel-2.
In addition, VEGA can display the latitude and longitude information of the location by clicking on the visualized image. Previously, this information was displayed in the second decimal place, but this improvement makes it possible to display it in the fifth decimal place.
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