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Arecibo Observatory radio telescope, National Astronomy and Ionosphere Center, Arecibo, Puerto Rico
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Arecibo Observatory Radio Telescope, National Astronomy And Ionosphere Center, Arecibo, Puerto Rico

• 1968-1970, Dr. Gordon Pettengill (Ph.D., UC Berkeley)
• 1971-1973, Dr. Tor Hagfors (Ph.D., University of Oslo)
• 1973-1981, Dr. Harold D. Craft Jr. (Ph.D., Cornell University)
• 1981-1987, Dr. Donald B. Campbell (Ph.D., Cornell University)

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Filename:499332.jpg
Album name:Earth & Universe
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Keywords:#arecibo #observatory #radio #telescope #national #astronomy #ionosphere #center #puerto #rico
Filesize:62 KiB
Date added:Aug 17, 2012
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