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Marconi
The first successful radio transmission and was patented in 1897. This invention is credited with saving the 700 people who survived the titanic shipwreck. -
Charles David Herrold
Set up a broadcasting station that used spark gap. But made it so that he could modulated a carrier voice and then later music. -
Radio Factory
Marconi opened the first radio factory in Chelmsford, England -
Regenreration, Superheterodyne, Frequency Modulation
Armstrong is credited with patenting 3 different inventions that have made todays radio what it is. It increased the frequency radio could be head without headphones -
Navigation Radio
From the early 1920s the aircrafts used commercial AM radio to navigate radio stations. Thye used this method until the 1960s. -
First Radio News
8MK was the first station that broadcasted a news show which is owned under CBS today. -
Pocket transistor radio
A pocket radio introduced names TR-1. Powered by a 22.5 v battery. -
First Transistorized Radio
Sony introduced this, with was small enough to fit in a vest pocket along with having a small battery. -
Internet Talk Radio
Malamud introduces the first internet talk show that held weekly guest that would talk to computer experts. -
Digital millennial copyright act
Internet radio began to pay royalties for performance and publishing royals
