-
-
-
-
-
-
after the titanic sank wireless telegraphy became universal for saftey percautions
-
broadcasted first dail schedual with radio dance programms, university lectures, weather and bedtime stories
-
-
university of Wisconsin schedualed a regular broadcast of voice and music radio show. This radio show still runs today
-
FM radio patented by Edwin H. Armstrong
-
Regency introduced the first pockety transistor radio
-
sony introduces their first transistor radio
-
communication satelite Telstar launched
-
-
Digital transmissions began applying to broadcasting