| Module | Source File | Description |
|---|---|---|
| FTRAFO | ftrafo.f90 | Implementation of the spectral transformation using the reduced Gaussian grid |
| GRTOPH | grphreal.f90 | Module for transformation from phase space into physical space |
| PHTOGR | phgrreal.f90 | Module for transformation of a field variable from the phase space into the physical space onto the reduced Gaussian grid |
| RWGRIB2 | rwgrib2.f90 | Read or write a field variable on a lat/lon grid from/to GRIB file, or read a field in spectral representation from GRIB file |