Initial Results of Aperture Area Comparisons for Exo‐atmospheric Total Solar Irradiance Measurements: B. Carol Johnson, Maritoni Litorja, Joel Fowler – NIST; Robert Barnes – Science Applications International Corp.; James Butler – NASA Goddard Space Flight Center

Clouds and the Earth's Radiant Energy System (CERES) FM5 on NPP: Pre‐flight Calibration Results: Suzanne Maddock, Susan Thomas – Science Systems and Applications, Inc.; Melody Avery, Kory Priestley – NASA Langley Research Center

Developing AVHRR Lunar Calibration for Climate Change Detection: Changyong Cao – NOAA/NESDIS/STAR; Xiaoxiong Xiong – NASA Goddard Space Flight Center

Climate‐quality Calibration Stability Using the Moon as a Reference: Thomas Stone – US Geological Survey

Comparison of Earth Radiation Budget Measurements: Past, Present and Future: Lou Smith – National Institute of Aerospace; Kory Priestley – NASA Langley Research Center