Radio is personal and mobile because it travels with usSpecific- aim content at narrowly defined audiencesGuglielmo MarconiFather of radioLiquid barretter- first audio device permitting reception of wireless voices1903; Reginald FessendenAudion tube- a vacuum tube that improved and amplified wireless signals1903; Lee DeForestsaw radio as means of broadcastingDuring world war I, radio stations were forced to close radio stationsLate 1800s considered the beginning of sound recordingBroadcasting- transmitting voices and music at great distances to a large number of peopleProduction of broadcasting delayed for 2 centuries (until 20th century)Radio turned into commercial giant by world war IIKDKA was first commercial radio broadcastAnnounced results of presidential electionBy mid 1920’s, there were about 1 million radios in America1910- congress passed wireless ship actrequire all ships using us ports and carrying more than 50 passengers have a working wireless and operatorradio act of 1912 established spheres of authority for both federal and state governments prodivided for allocating and revoking licenses and fining violatorsact led to brink of disasterradio sales and profits dropped dramaticallygovernment response was series of four national radio conferences1927 act authorized them to use channelspublic interest, convenience, or necessityFederal Radio Commission (FRC) establishedSpectrum scarcity- limited space in spectrum; given licenses for radioCommunication Act of 1934 replaced the 1927 legislationAffiliates- groups of stationsCould deliver to larger audiencesO&Os- owned and operatedJournalism Exam 2 04/04/2013Radio is personal and mobile because it travels with us- Specific- aim content at narrowly defined audiencesGuglielmo Marconi- Father of radioLiquid barretter- first audio device permitting reception of wireless voices- 1903; Reginald FessendenAudion tube- a vacuum tube that improved and amplified wireless signals- 1903; Lee DeForest- saw radio as means of broadcastingDuring world war I, radio stations were forced to close radio stationsLate 1800s considered the beginning of sound recordingBroadcasting- transmitting voices and music at great distances to a large number of people- Production of broadcasting delayed for 2 centuries (until 20th century)Radio turned into commercial giant by world war IIKDKA was first commercial radio broadcast- Announced results of presidential election By mid 1920’s, there were about 1 million radios in America1910- congress passed wireless ship act- require all ships using us ports and carrying more than 50 passengers have a working wireless and operatorradio act of 1912 established spheres of authority for both federal and state governments prodivided for allocating and revoking licenses and fining violators- act led to brink of disaster- radio sales and profits dropped dramatically- government response was series of four national radio conferences- 1927 act authorized them to use channelso public interest, convenience, or necessityo Federal Radio Commission (FRC) establishedo Spectrum scarcity- limited space in spectrum; given licenses for radioCommunication Act of 1934 replaced the 1927 legislationAffiliates- groups of stations- Could deliver to larger audiencesO&Os- owned and
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