Interpretation of Geological Features on a Satellite Photograph

Abstract

DURING examination of automatic picture transmission system photographs taken by Nimbus 1, a photograph exposed from 308 miles above Lake Ontario, during orbit 254, on September 14, 1964, clearly showed the complex folded pattern of the Appalachian Mountains in the Pennsylvania region. The photograph, produced by a slow scan kinescope method, designed and developed by the National Research Council of Canada, specifically to record and reproduce the full capabilities of the 800-line high-resolution automatic picture transmission vidicon of this American meteorological satellite, was one of many received at Ottawa and Frobisher Bay ground stations.