PAMTRA 1.0: the Passive and Active Microwave radiative TRAnsfer tool for simulating radiometer and radar measurements of the cloudy atmosphere. - Mech, Mario; Maahn, Maximilian; Kneifel, Stefan; Ori, Davide; Orlandi, Emiliano; Kollias, Pavlos; Schemann, Vera; Crewell, Susanne (Geoscientific Model Development, 2020)