National Oceanic and Atmospheric Administration, Aeronomy Laboratory, 325 Broadway, Boulder, CO 80305 United States; Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO 80309 United States
National Oceanic and Atmospheric Administration, Aeronomy Laboratory, 325 Broadway, Boulder, CO 80305 United States; Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO 80309 United States
National Oceanic and Atmospheric Administration, Aeronomy Laboratory, 325 Broadway, Boulder, CO 80305 United States
National Oceanic and Atmospheric Administration, Aeronomy Laboratory, 325 Broadway, Boulder, CO 80305 United States; Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO 80309 United States
National Oceanic and Atmospheric Administration, Aeronomy Laboratory, 325 Broadway, Boulder, CO 80305 United States; Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO 80309 United States