It was the first -- thus making it still the oldest -- broadcasting station in the state of Colorado , and one of the oldest in the United States .
KLZ received its first broadcasting license on March 10 , 1922 .
KLZ was the first -- thus making KLZ still the oldest -- broadcasting station in the state of Colorado , and one of the oldest in the United States .
KLZ received its first broadcasting license on March 10 , 1922 .