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.
When did GPM launch?
The GPM Core Observatory satellite launched on February 27th 2014 at 1:37pm EST. It launched from Tanegashima Space Center, Japan, on a Japanese HII-A rocket provided by JAXA.