Global Hydrology Resource Center DAAC has just published the GPM-GV OLYMPEX AMPR dataset at http://dx.doi.org/10.5067/GPMGV/OLYMPEX/AMPR/DATA101.
The GPM Ground Validation Advanced Microwave Precipitation Radiometer (AMPR) OLYMPEX dataset was collected by the AMPR instrument flown on the high altitude ER-2 research aircraft from November 9 - December 15, 2015, during the OLYMPEX - Olympic Mountain Experiment field campaign conducted at Washington State’s Olympic Peninsula. AMPR data at the GHRC DAAC include netCDF format data files of brightness temperature and PNG browse files of Quality Control Flags and Brightness Temperatures.