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an italian inventor who sent and receivd the first radio signal.
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In the Nineteenth Century Thomas Edison noticed a blackening on the inside of his burning light bulb. He believed it to be caused by electrons and he named it the “Edison Effect.”
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Lee De Forest created (borrowed) the new idea for the audion tube, a vaccum tube that amplifies signals.
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radio stations were created
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a 10 minute commercial, and brodcasts for apartment complex charging was $50
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Roger's Batteryless Receiver Model 130, built in 1925
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FRC was established.
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people were hurting for $$$$$$$$$$
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Henry P. Davis died in 1931
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the switch from a distant frequency to a nearby station resulted in a dramatic increase in volume. The invention of the automatic loudspeaker in 1928 improved this problem immensely.