ExGrib.Grib2.Section3.Templates.TriangularGridBasedOnAnIcosahedron (ex_grib v0.0.1) View Source
Template 3.100
Triangular grid based on an Icosahedron (see Part B, GRIB Attachment I)
https://www.nco.ncep.noaa.gov/pmb/docs/grib2/grib2_doc/grib2_temp3-100.shtml