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Thomas Edison invented the first tinfoil phonograph that he used to record his vocie. The Recording was made in St. Louis.
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Gugliemo Marconi Invented the first radio. Called it the "wireless telagraph" after making it in his parent's attic.
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First one built by Howard Armstrong. produccced morse code. The first was not public.
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Reginald Fessenden made the first public live broadcast starring the Jazz Singer. First radio station to produce music.
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US Army used the radio during world war one. Stop other radios in us for protection.
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The first car radio was invented by Paul and Joseph Galvin. Called it the "Motorola" or motorized Victrola.
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Arm in Britin is the first amry to use radar in army. Used morse code
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Produced by British Physicist Sir Robert WatsonWatt . Used signal radio frequencys to dect other radars.
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The first walkie talkie was invented by Hings. Procceded Gross'es
devices by one year. -
First stationed along british coasts. used to communicate to passing ships.
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The TR-1 was the first portable radio. Played limited stations and had very poor sound quality.