geostationary satellite
A satellite that travels in a geostationary orbit, allowing it to observe a considerable area of the Earth’s surface on a continuous basis.
trim tab
Adjustable mechanical component that makes it possible to modify the satellite’s position.
solar array
Power supply device that converts solar energy into immediately usable electrical energy.
imager
Radiometer that generates images of clouds and of the surface of the Earth and the oceans.
sounder
Radiometer designed to measure temperature and humidity at different altitudes in the atmosphere.
telemetry and command antenna
It allows terrestrial stations to monitor satellite operations and transmit commands to the satellite.
S-band high gain antenna
Main antenna pointed toward the Earth to transmit large quantities of scientific data.
Earth sensor
Instrument that locates the Earth’s horizon so that the antenna can be positioned correctly.
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