Title: INDOEX: Ship Ron Brown Chemistry Ozone (Johnson) Contact: James E. Johnson NOAA/PMEL 7600 Sand Point Way NE Seattle, WA 98115 Telephone: (206) 526-6355 Fax: (206) 526-6744 Please contact Jim Johnson at johnson@pmel.noaa.gov for permission to use this data in any presentation or publication. Dataset Description: The file o3_30m_v1099.csv contains ozone data from the RON BROWN collected during the Aerosols99-INDOEX project. A TECO 49 ozone instrument was used to collect the data, the data have been averaged into 30 minute time bins, the given time (DOY) for each record is the center of the averaging period. File Format: The Data columns are DOY (decimal day of year, DOY 32.5= noon GMT on Feb 1) during year 1999, latitude, longitude and ozone mixing ratio in ppb. Missing data are indicated by a -99. References: None