Active filters:
Clear filters
THEMATIC AREA

INSTRUMENTS

Explore the many instruments the European Space Agency use to observe the Earth. ESA offer data from a wide range of optical, radar, atmospheric, altimetric and gravimetric instrumentation.

a-positioning-navigation

Heritage Missions

PRARE (ERS-1)

The Precise Range And Range-Rate Equipment (PRARE) was a microwave tracking system on board the ERS-1 mission.