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AM Waves: Amplitude modulation 535 KHz- 1605. Modulation means to change the waves,
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FM waves freguency modulation. 88- 108 MHz helped frenguency waves
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Marconi invented radio. May not been the first but was the best at PR
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Lee De forest created the audion tube. ampliffying signals
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Radio stations came on in 1920 8xk, later renamed kdka . Frank Conrad still around today broadcasting out of pittsburg pennsylvania
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Radio stations
1920. 8Xk,later renamed kdka
Frank Conrad still around today broadcasting out of Pittsburg,Pennsylvania -
Dawn advertising . In 1922 WEAF aired a 10 minute comercial or toll broadcast,for an apartment complex charging $50.00.
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Radio was know as family medium entire family listening to the radio. Now a days the whole family cant listen to the radio cause it wasnt like back then
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Radio was know as family medium entire family listening to the radio. Now a days the whole family cant listen to the radio cause it wasnt like back then
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Uncle Charlie was too popular. Established in frc in 1927, organizing the licensig of transmitter. He was a great radio station person. Assigning radio station frequencies. he was doing call letters and power limits.
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Call letters was to identify stations. W is east of the missippi river. K is west of the mississippi river. It was helpful in te olden days.
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Famous shows of the golden era: Amos n andy,gunsmoke,the shadow,our miss brooks, superman,dick tracey, little orpan annie, and 64 dollar question!!!
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Radio know as family medium was the whole entire family listening cause back then it was really good
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The golden era was in the 30's and 40's . This was during great depression.
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Radio to tv why didnt it work?
Well say that little orpan annie is big and fat but her voice sounded like a little girl but she couldnt play the part cause she wasnt alittle girl. -
Radio know as "family medium" was the whole entire family would listen to. Now a days they dont listen to it anymore , cause it wasnt like it used to be in the olden days.
