APEX Airborne Imaging Spectrometer Uncertainty Budget and Vicarious Validation Method

Andreas Hueni, University of Zurich, Remote Sensing Laboratories, Zurich, Switzerland, Emma Woolliams, National Physical Laboratory, Teddington, United Kingdom, Daniel Schlaepfer, ReSe Applications Schlaepfer, Wil, Switzerland and Hendrik Wulf, University of Zurich, Zurich, Switzerland