Concept information
Preferred term
ERM
Definition
- Exact Repeat Mission (ERM) began on November 8, 1986. When it ended in January 1990 (due to failures of both on-board tape recorders), more than three years of precise altimeter data were available to the scientific community. Spacecraft: Gravity gradient stablized. Two tape recorders Payload: Radar altimeter to measure sea surface height Country of Origin: United States Customer: United States Navy Design Life: 3 years (en)
Broader concept
- D - F (en)
URI
https://gcmd.earthdata.nasa.gov/kms/concept/f8c62c37-d772-4abf-bf28-ad4440a2fb50
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