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-2)

Precise Range And Range-Rate Equipment (PRARE) was a microwave tracking system for the measurement of satellite to ground range and range rate.

a-positioning-navigation

Heritage Missions

LRR (ERS-2)

An optical device for accurate satellite tracking from the ground to support instrument data evaluation