10.26165/JUELICH-DATA/IMGXDVHoffmann, LarsLarsHoffmann0000-0003-3773-4377Forschungszentrum JülichJülich DATA2025Earth and Environmental SciencesHoffmann, LarsLarsHoffmannForschungszentrum Jülich2025-11-182025-11-241.0This data repository provides access to simulated infrared radiance spectra for a range of atmospheric conditions and satellite observation geometries. The spectra cover the spectral range from 650 to 2650 cm-1 (3.77 to 15.4 microns), with a spectral sampling and resolution of 0.05 cm-1. Spectroscopic data were taken from the HITRAN2k database.Reference Forward Model (RFM), v4.28GCS/NICslmet