THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – MISSION SUMMARY - ESSA-4 -
Full Name Environmental Science and Services Administration - 4 Status Mission complete
Mission Agencies NASA Launch Date 26 Jan 1967
Mission Links EOL Date 05 May 1968
EO Portal Info
Orbit Type Orbit Period
Orbit Sense Orbit Inclination
Orbit Altitude Orbit Longitude
Orbit LST Repeat Cycle
Objectives and Applications The ESSA-4 satellite replaced ESSA-2 and provided direct readout cloud-cover photography to ground stations worldwide using APT.
Mission Measurements
Mission Instruments
APT - Automatic Picture Transmission
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