Radio

Inquiry Unit

Radio

The invention of wireless telegraphy-radio-at the end of the 19th century by Marconi and others made it possible to communicate with anyone, anywhere, around the globe. It soon became apparent, howeve…

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United States Spectrum Allocation Chart

Primary Source

United States Spectrum Allocation Chart

Radio Inquiry Unit – Featured Source 1E

Radio Inquiry Unit – Featured Source 1E 2016 chart represents a graphic single-point-in-time portrayal of the Table of Frequency Allocations used by the United States, Feder…

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David Sarnoff Diary Entry, 3/26/1911

Primary Source

David Sarnoff Diary Entry, 3/26/1911

Radio Inquiry Unit

Radio Inquiry Unit - Supporting Question 2C "Page from David Sarnoff’s diary on board the Job Brothers’ sealhunting ship, the Beothic, in which he describes his relaying the dialogue between th…

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Biography of Guglielmo Marconi

Primary Source

Biography of Guglielmo Marconi

Radio Inquiry Unit

Radio Inquiry Unit IEEE Biography of Guglielmo Marconi "Marconi was born in Italy in 1874 to Giuseppe and Annie Jameson Marconi. His father was a prosperous Italian landowner and his mother was…

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Biography of David Sarnoff

Primary Source

Biography of David Sarnoff

Radio Inquiry Unit

IEEE Biography of David Sarnoff Radio Inquiry Unit "Sarnoff was born on 27 February 1891, the oldest of five children, outside Minsk in imperial Russia. He and his family immigrated to the Unite…

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Photographs of David Sarnoff

Primary Source

Photographs of David Sarnoff

Radio Inquiry Unit - Supporting Question 2

Radio Inquiry Unit - Supporting Question 2 David Sarnoff began his career at the Marconi Wireless Telegraph Company of America as an office boy in 1906. He went on to become a trailblazer in the ra…

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“Lost At Sea”

Multimedia

“Lost At Sea”

Early Maritime Navigation Inquiry Unit

Teenagers venture out for a day of fishing and experience firsthand the value of maritime navigational technology. Early Maritime Navigation Inquiry Unit Click Here to Download Video…

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