ers-1

Europe's first EO satellite and the start of the C-band SAR record that Envisat and Sentinel-1 continue. With ERS-2, enables the longest InSAR baseline available (1991 onward) for slow deformation: subsidence, landslides, volcanoes. Archive via ESA EO Sign In (dissemination service).

Sensor	AMI (C-band SAR) + radar altimeter + ATSR-1
Resolution	30m (SAR)
Revisit (days)	35
STAC	—
GEE	—