The Polar Radient Energy in the Far Infrared Experiment (Prefire). - Sharmila Padmanabhan; Omar De Santos; Rudi Bendig; Brian J. Drouin; Tristan L'Ecuyer; Mary White; Boon H. Lim; Matt Kenyon; Giacomo Mariani; James McGuire; Nasrat Raouf (IGARSS, 2019)