BYU Daily Browse Images of OSCAT Sigma-0 Measurements (D. Long) Note: .SIR formatted files are gzipped .gif are reduced-resolution images of the binary SIR files Directories YYYY (years): contains daily-averaged data for global (Gave), northern hemisphere (Nave), southern hemisphere (Save) and local time of day for northern hemisphere (Nm,Nn) and southern hemisphere (Se,Sn). docs: contains documentation and information about this dataset lat & lon: contains SIR format files who pixel values are the latitude and longitude of each of the standard areas. Note: due to many missing files, there are significant gaps in the dataset, including missing days and gaps in daily coverage