As of January 19, 2021, FTP access to the GPM research / production data server "arthurhou" is no longer available, and you must use either FTPS or HTTPS to access GPM research data. Click here to learn more.

GPM Has Best Calibrated Microwave Imager in the World

Image


With so many important applications, how does GPM create these maps and make sure they’re accurate? In a recent evaluation, the GPM Microwave Imager (GMI) was named the best calibrated microwave imager to date (as of February 7, 2017). So what exactly makes it the best? It’s a combination of better hardware and more advanced technology.

This  infographic describes how the GPM Microwave Imager works and maintains its high degree of calibration, as well as how it contributes to the precipitation rates produced by the mission.

 

Image Site Section