Matches in DBpedia 2014 for { ?s ?p John H. DeWitt, Jr. (February 20, 1906 – January 25, 1999) was an American pioneer in radio broadcasting, radar astronomy and photometry. He observed the first successful reception of radio echoes off the moon on January 10, 1946 as part of Project Diana.. }
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- John_H._DeWitt,_Jr. abstract "John H. DeWitt, Jr. (February 20, 1906 – January 25, 1999) was an American pioneer in radio broadcasting, radar astronomy and photometry. He observed the first successful reception of radio echoes off the moon on January 10, 1946 as part of Project Diana.".
- John_H._DeWitt,_Jr. comment "John H. DeWitt, Jr. (February 20, 1906 – January 25, 1999) was an American pioneer in radio broadcasting, radar astronomy and photometry. He observed the first successful reception of radio echoes off the moon on January 10, 1946 as part of Project Diana.".