A major portion of the NCAR activity for this reporting period has been the analysis of Ascension Island flight data. The data obtained has been extremely useful in evaluating balloon and sensor performance. Plots of pressure, temperature and altitude for all flights are attached to this report. ... Show moreA major portion of the NCAR activity for this reporting period has been the analysis of Ascension Island flight data. The data obtained has been extremely useful in evaluating balloon and sensor performance. Plots of pressure, temperature and altitude for all flights are attached to this report. The major activities for this reporting period are detailed. Show less