Additions to the GPM GV Portal are always welcome, and we would also like to hear from you if you have comments or questions. Please direct your correspondence to ...

Dr. Mathew Schwaller
GPM Ground Validation Development Manager
NASA/Goddard Space Flight Center
+1-301-614-5382
mathew.r.schwaller@nasa.gov

Dr. Walter A. Petersen
GPM Ground Validation Science Manager
University of Alabama Huntsville
+1-256-961-7861
walt.petersen@msfc.nasa.gov

Dr. Paul Hwang
GPM External Affairs Manager
NASA/Goddard Space Flight Center
+1-301-286-6968
paul.h.hwang@nasa.gov