Always useful, even when the skies are overcast

Sentinel-1 is a two satellite, polar-orbiting RADAR constellation The radar collects data from Earth in all weather conditions, even through clouds. This data is suitable for monitoring the stability of infrastructures, among others.

Sentinel-1 achieves a resolution of 5 by 20 m, comparable to the surface area of a commercial warehouse.


Observe Earth with Sentinel-1

Single Look Complex - SLC

  • contains all data recorded by the radar (including distance and direction)
  • basis for further data processing

Ground Range Data - GRD

  • shows radar reflections in a map projection based on SLC data
  • helps to distinguish differences in land cover
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