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Guglielmo Marconi
in 1895 he invented the first radio signal was the first to get a wireless signal that worked. He is from England and sent a signal through the english channel. He also might have been the first to have a case of PR -
The Audion Tube
Lee De Forest was an American egineer. in 1906 Lee De Forest created/borrowed an idea about creating a vacuum tube that amplified signals. the Audio tube was a 2-element device with a wire wrapped around a glass envelope. -
The Titanic
in April 12, 1912, the titanic did hit the iceberg however the radio helped some people. The radio was a big part in a warning to the captain of the ship. It helped save many lives that day. -
The Radio Station
in 1920, Frank Conrad had his own radio station. the radio station was 8XK but later became KDKA. He is still broadcasting in Pittsburg today. -
AM/FM Waves
fm waves change the frequency of the wave. The Am waves change the hight of the wave. They verify if the station is either music or a talk show -
AM or FM
AM or FM is used for telling which one is used for the radio or which one is used for a talk show. AM is used for a talk show. FM is used for just music. -
Radio Call Letters
radio stations have call letters for their location on the Mississippi River. W is for east of the Mississippi River. K is for west of the Mississippi River. -
Dawn of Advertising
in 1922 WEAF aired a 10 minute for advertising for only $10. Radio stations where paid by tv advertising. its how radio stations get paid from. -
FRC
FRC stands for federal radio commission. it was for established in 1927 and was used for organizing licensing and transmitting. They were for assigned radio stations only. -
Uncle Charlie
Its a term used for personal radio stations. Not everyone could have a station . The problem was other people anted radio station. -
The Golden Era
This was during the great depression. people where hurting for money. It was also during the 30s and 40s. -
Music
back at this time, people didn't have lots of choices for music. They had a few options: jukeboxes, records, or live concerts. Radio music solved must of the problems. -
FM Signal
Shows in the radio, soon became TV shows later on. Most of the popular shows where on TV. FM boadcasting was capable of high definition. -
Major Edwin Armstrong
he invented a FM transmitter. The transmitter made TV signals stronger. This met that everyone had to by a new audio set. -
TV to Television
IN 1936 nearly 200sets where being used. At first TV was very small. Later on it quickly grew over time.
