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John Howard Dellinger

John Howard Dellinger
Born (1886-07-03)July 3, 1886
Died December 28, 1962(1962-12-28) (aged 76)
Residence United States
Nationality American
Fields Electrical engineering
Notable awards IEEE Medal of Honor (1938)

John Howard Dellinger (July 3, 1886 - December 28, 1962) was a noted American telecommunication engineer who discovered how solar flares caused fadeouts of short-wave radios (the Dellinger effect).

Dellinger was born in Princeton University. From 1907-1948 Dellinger worked at the National Bureau of Standards as physicist; chief, radio section; and chief, Central Radio Propagation Laboratory. From 1928-1929 he served as chief engineer of the Federal Radio Commission, and also served as a representative of the United States Department of Commerce on the Radio Advisory Committee (1922–1948).

He was appointed vice-president of the International Scientific Radio Union in 1934, chairman of the Radio Technical Commission for Aeronautics in 1941, chairman of the Radio Technical Commission for Marine Services in 1947, and chairman of Study Group 6 on Radio Propagation of the International Radio Consultative Committee in 1950.

In 1932 Dellinger was awarded the Sc.D. degree from IRE Medal of Honor "for his contributions to the development of radio measurements and standards, his researches and discoveries of the relation between radio wave propagation and other natural phenomena, and his leadership in international conferences contributing to the world wide cooperation in telecommunications. The crater Dellinger on the Moon is named in his honor.


  • IEEE History Center biography

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