Radar Altimetry Satellite Missions

Satellite Coverage Mission Time Span Repeat Cycle (days)
Seasat Greenland, Antarctica and surrounding sea ice to 72.1 deg latitude 7/78 to 10/78 3
Geosat Geodetic Mission Greenland, Antarctica and surrounding sea ice to 72.1 deg latitude 4/85 to 9/86 176
Geosat Exact Repeat Mission Greenland, Antarctica and surrounding sea ice to 72.1 deg latitude 11/86 to 9/89 17
ERS-1 Greenland, Antarctica and surrounding sea ice to 81.5 deg latitude 8/91 to 6/96 3; 35; 168
ERS-2 Greenland, Antarctica and surrounding sea ice to 81.5 deg latitude 5/95 to Present 35
ENVISAT Greenland, Antarctica and surrounding sea ice to 81.5 deg latitude 2/02 to Present 35