Use of Deep Convective Cloud as transfer targets (see DCC work area - Portal for DCC inter-cal development).
Lunar calibration and inter-calibration using the GSICS Implementation of the ROLO (GIRO) model as a transfer (see Lunar work area - Portal for lunar calibration and inter-calibration development).
Rayleigh scattering method.
Ray matching.
Reference solar irradiance spectrum in collaboration with the GSICS UV subgroup.