Image: 207457main antenna-331-2426a-516
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Description: On March 22, 1956, preliminary satellite tracking tests began in a field near JPL. The antenna is being assembled in the photo above. The prototype Microlock ground receiving station included the antenna, instrumentation built into a 25-foot van, generators, and other equipment. Less than two years later, the Microlock receiving station helped tracked the successful orbit of Explorer 1. Photo number 331-2426A
Title: 207457main antenna-331-2426a-516
Credit: http://www.jpl.nasa.gov/explorer/captions/antenna.php
Author: NASA/JPL
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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