Successful Integration of GPM’s Instruments
The electrical integration of the Global Precipitation Measurement Microwave Imager (GMI) instrument onto the GPM Core Observatory was successfully completed in April 2012. Ball Aerospace and Technologies Corp. Boulder, Colo. built the GMI, which arrived at NASA's Goddard Space Flight Center in Greenbelt, Md. in early March and after post shipment processing it was handed over to NASA. The GMI is one of the key instruments for the GPM Core Observatory. This instrument is a passive radiometer with 13 channels covering frequencies from 10 to 183 GHz.
In May, 2012, the Dual-frequency Precipitation Radar (DPR) instrument electrical integration onto the GPM Core Observatory was successfully completed. The DPR is comprised of two radars: Ka-band Radar (13 GHz) and Ku-band Radar (35 GHz). The Japan Aerospace Exploration Agency (JAXA) built both radars for the Global Precipitation Measurement (GPM) mission's Core Observatory, which arrived on Friday, March 16 at NASA's Goddard Space Flight Center, Greenbelt, Md. Following the post shipment processing, the DPR was handed over from JAXA to NASA on March 30, 2012.