GPM Completes First Dry Run • GPM Completes First Dry Run

GPM Completes First Dry Run. Engineers check on the GPM spacecraft after successful completion of its first comprehensive performance test. The silver disc and drum (center) is the GPM Microwave Imager, and the large block on the base is the Dual-frequency Precipitation Radar. The tall golden antenna is the High Gain Antenna for communications.

Global Precipitation Measurement (GPM) is a joint mission between JAXA and NASA. And as well as other international space agencies to make frequent.  (every 2–3 hours) observations of Earth’s precipitation. Therefore It is part of NASA’s Earth Systematic Missions program and will work with a satellite constellation to provide full global coverage.

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