CEOS EO HANDBOOK – INSTRUMENT SUMMARY - SEM/HEPAD -
Full Name High Energy Proton and Alpha Particles Detector Status No longer operational
Instrument Agencies NOAA Maturity
Instrument Type Space environment Geometry
Instrument Technology Space environment monitor Sampling
Data Access Data Format
Measurements and Applications Observation of high-energy protons and alpha-particles at platform level. Assemblage of detectors for the energy ranges 350 to over 700 Mev (protons), and 2.56 to over 3.4 GeV (alpha-particles)
Resolution Summary
Swath Summary
Accuracy Summary
Waveband Summary
 
Instrument Measurements
Measurements Overview
Instrument Missions
GOES-1 - Geostationary Operational Environmental Satellite - 1 (1975 - 1985)
GOES-2 - Geostationary Operational Environmental Satellite - 2 (1977 - 1993)
GOES-3 - Geostationary Operational Environmental Satellite - 3 (1978 - 1993)
GOES-4 - Geostationary Operational Environmental Satellite - 4 (1980 - 1988)
GOES-5 - Geostationary Operational Environmental Satellite - 5 (1981 - 1990)
GOES-6 - Geostationary Operational Environmental Satellite - 6 (1983 - 1989)
GOES-7 - Geostationary Operational Environmental Satellite - 7 (1987 - 1996)
GOES-8 - Geostationary Operational Environmental Satellite - 8 (1994 - 2003)
GOES-9 - Geostationary Operational Environmental Satellite - 9 (1995 - 2005)