The Sentinels are the satellites of European Space Agency (ESA), designed to deliver a vast amount of data and imagery for Europe’s Copernicus program.
The Sentinel1 is equipped with twin polar orbiting satellites designed to provide a spatial data for environment and security warranting, global economic and business growth.
The satellites are to operate day and night and perform a synthetic aperture with radar imaging. Sentinel1 bands allow to get imagery in all weather conditions. It works in a preprogrammed conflictfree operation mode allowing to reach a high reliability of service and create a long term consistent data archives to be used in the application based on long time series.
The Sentinel1 Mission Guide contributes a detailed description of the satellite type itself, mission goals, Ground Segment.