 KLZ's studios later moved to the Shirley-Savoy Hotel, with the station antenna constructed atop the building.In 1927, the Federal Radio Commission was formed to regulate radio stations in the United States.It embarked on a major restructuring of the broadcast band, and, on November 11, 1928, under the provisions of General Order 40, KLZ was assigned to operate on 560 kHz, which it has continued to use ever since.