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The NASA Global Hydrology Resource Center (GHRC) DAAC published the GOES-R Post Launch Test (PLT) Scanning High-Resolution Interferometer Sounder (S-HIS) data set. This data set consists of emitted thermal radiances measured by the S-HIS instrument flown aboard a NASA ER-2 high-altitude aircraft during the GOES-R PLT field campaign. The campaign took place from March to May 2017 in support of post-launch L1b and L2+ product validation of the Advanced Baseline Imager (ABI) and the Geostationary Lightning Mapper (GLM). Data files in netCDF-3 format are available for March 21, 2017 through May 17, 2017.