ExGrib.Grib2.Section3.Templates.SpectralMercatorWithModellingSubdomainsDefinition (ex_grib v0.0.1) View Source
Template 3.61
Spectral Mercator with modelling subdomains definition
https://www.nco.ncep.noaa.gov/pmb/docs/grib2/grib2_doc/grib2_temp3-61.shtml