The long-wave downward radiation measurements are incorrect and were removed from this dataset (2009-07-29). No read access to wrong station-to-archive file (other version)....
The GTS Three-Hourly Synoptic Observation Data is one of several surface data sets collected by the University Corporation for Atmospheric Research/Joint Office for Science...
Incident spectral solar irradiance measured above sea ice. The irradiance sensor (cos-collector) was installed on the sea ice for surface reference measurements (solar irradiance).