December 23, 1928: On this day the National Broadcasting Company was established its coast to coast network which lead to the golden age of radio.
The NBC has several networks, one of them is The NBC Orange Network or also known as the NBC Pacific Coast network. NBC Pacific Coast network was a National Broadcasting Company radio network that operated in the western United States from 1927 to 1936,that was before two-way broadcast-quality communications circuits reached the West to relay the larger NBC Red Network and NBC Blue Network.
The Orange Network created their own program for the West Coast listeners. December 23 1928 was the first time when The Orange network directly relay the eastern program, that was ran until 1936, Orange Network also fed some programs from Red and some from Blue.