This 17 page flyer provides an overview of the GPM Mission. It describes the technologies used to measure precipitation and the missions scientific goals and societal applications.
This animation depicts the various components of the GPM Microwave Imager (GMI).
The GPM Microwave Imager (GMI) successfully completed a walkout deployment, spin-up and functional and interface testing after being integrated onto the core spacecraft in May, 2012. These series of tests confirmed electrical and functional performance of the GMI with the GPM Core Observatory.