Now WNYC-TV, New York City, presenting educational, informational and public service programs of special interest, is about to leave the air. As part of the Municipal Broadcasting System, channel 31 broadcasts on an assigned frequency of 572 to 578 megahertz by authority of the Federal Communications Commission. The station operates under the direct supervision of Mayor John D. Lindsay, as part of the Municipal Service Administration. We suggest you tune your FM receiver to 93.9 megahertz for WNYC-FM, on the air 24 hours a day, 7 days a week. We now bid you good night. Ladies and gentlemen, our national anthem.