Linking by laser for fast data delivery

Launched in April 2014, Sentinel-1A carries an advanced radar instrument to image Earth’s surface through cloud and rain, regardless of whether it is day or night. Among its many applications Sentinel-1 routinely monitors shipping zones, maps sea ice and provides information on winds and waves for marine traffic, tracks changes in the way land is being use and provides imagery for rapid response to disasters such as floods, and monitors uplift and subsidence. The satellite transmits data to Earth when passi