This was the first "network television season" in the United States, and only NBC and DuMont operated networks. CBS only operated one television station, WCBS, and had yet to send out its programs to areas other than New York City.
The inaugural "television season" in the U.S. featured only NBC and DuMont as network operators. CBS operated a single station, WCBS, and its broadcasts were limited to New York City during this period.