The methods used for preparing TIROS vidicon (television) pictures and radiation data for archiving, the cataloguing procedures, and the means for obtaining these data from archives for research purposes are described. Also outlined are the procedures used for making these data available for daily operations. Some plans for the future are briefly discussed.

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1 For details on instrumentation, see “TIROS I—Meteorological Satellite,” Astronautics, June 1960, and other articles in that issue.