In May 1940, the Federal Communications Commission (FCC) announced the establishment, effective January 1, 1941, of an FM radio band operating on 40 channels spanning 42–50 MHz.
[2] The American Network was incorporated in April 1941, in order to provide programming to the newly established FM stations.
[8] In mid-1941, an unsuccessful application was made to establish a New York City station, as part of a proposed 40 market national network.
[10] An optimistic review of the post-war future of FM broadcasting showcased W41MM, transmitting from atop a western North Carolina mountain, as "the lofty affiliate of The American Network".
[11] The United States had entered World War II in December 1941, and the following May, it was announced that the network would curtail operations for the duration of the conflict.