Global Precipitation Measurement (GPM) is a joint mission between JAXA and NASA as well as other international space agencies to make frequent (every 2–3 hours) observations of Earth’s precipitation. It is part of NASA's Earth Systematic Missions program and will work with a satellite constellation to provide full global coverage. The project will provide global precipitation maps to assist researchers in studying global climate, improving the forecasting of extreme events, and adding to current capabilities for using such satellite data to benefit society. GPM builds on the notable successes of the Tropical Rainfall Measuring Mission (TRMM), which is also a joint NASA-JAXA activity.
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| - Global Precipitation Measurement (GPM) is a joint mission between JAXA and NASA as well as other international space agencies to make frequent (every 2–3 hours) observations of Earth’s precipitation. It is part of NASA's Earth Systematic Missions program and will work with a satellite constellation to provide full global coverage. The project will provide global precipitation maps to assist researchers in studying global climate, improving the forecasting of extreme events, and adding to current capabilities for using such satellite data to benefit society. GPM builds on the notable successes of the Tropical Rainfall Measuring Mission (TRMM), which is also a joint NASA-JAXA activity.
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| - Visualization of the GPM Core Observatory and partner satellites orbiting Earth.
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| - Global Precipitation Measurement (GPM) is a joint mission between JAXA and NASA as well as other international space agencies to make frequent (every 2–3 hours) observations of Earth’s precipitation. It is part of NASA's Earth Systematic Missions program and will work with a satellite constellation to provide full global coverage. The project will provide global precipitation maps to assist researchers in studying global climate, improving the forecasting of extreme events, and adding to current capabilities for using such satellite data to benefit society. GPM builds on the notable successes of the Tropical Rainfall Measuring Mission (TRMM), which is also a joint NASA-JAXA activity. The project is managed by NASA's Goddard Space Flight Center, and consists of a GPM Core Observatory satellite assisted by a constellation of spacecraft from other agencies and missions. The Core Observatory satellite will measure the two- and three-dimensional structure of Earth’s precipitation patterns and provide a new calibration standard for the rest of the satellite constellation. The GPM Core Observatory was assembled and tested at Goddard Space Flight Center, and launched from Tanegashima Space Center, Japan, on a Mitsubishi Heavy Industries H-IIA rocket. The launch occurred on February 28, 2014 at 3:37am JST on the first attempt. Agencies in the U.S., Japan, India and Europe operate the remaining satellites in the constellation for agency-specific goals, but also cooperatively provide data for GPM. __TOC__
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