SYNCHRONOUS OBSERVATIONS OF ECHO 1 IN 1963.
FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO
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Photographic observations of the artificial earth satellite were made from the tracking stations of the German Democratic Republic, Poland, Rumania, the Soviet Union and Czechoslovakia. Information from all stations allowed the selection of synchronous groups from the number of obtained negatives.
- Optical Detection and Detectors
- Spacecraft Trajectories and Reentry