LMGTFY: The 1940s were the true beginning of the TV era. Although sets had been available as early as the late 1930s, the widespread distribution and sale of TV sets did not really take off until after the war. Broadcasting stations neglected many of their radio stations and poured money into TV after the war.

https://www.encyclopedia.com/history/culture-magazines/1940s... https://duckduckgo.com/?t=ffab&q=broadcast+television+in+the...

Ah yes, what I truly wanted.