TY - RPRT TI - Observations and recommendations for coordinated calibration activities of government and commercial optical satellite systems AU - Dennis Helder AU - Cody Anderson AU - Keith Beckett AU - Rasmus Houborg AU - Ignacio Zuleta AU - Valentina Boccia AU - Sebastian Clerc AU - Michele Kuester AU - Brian Markham AU - M. Pagnutti PY - 2020 DO - 10.3390/rs12152468 UR - https://pubs.usgs.gov/publication/70213188 ID - 70213188 ER -