Radiotelegraph operators on Great Lakes

A radiotelegraph operator on the Great Lakes only shall have a first-class or second-class radiotelegraph operator’s license issued by the Federal Communications Commission. An endorsement as radiotelegraph operator on the Great Lakes only ends if the holder ceases to hold the license issued by the Commission. (Source: (Pub. L. 98–89, Aug. 26, 1983, 97 Stat. 545.))