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Maryland Public Television Station Changes Frequencies

By Kristin Danley-Greiner

If your Maryland Public Television station isn’t working, that’s because you need to rescan your channels. WMPT Channel 22 in Annapolis went off the air Thursday at 10 p.m. and was back up at 12:01 a.m. Friday in order to be in compliance with the Federal Communications Commission’s order that local broadcasters change the frequencies of their channels.

Only viewers who use an antennae to watch free over-the-air broadcasts are affected and must perform a rescan on the television or converter box. Cable and satellite customers do not need to do anything. For those who need to rescan, simply select scan or autotune from a television or converter box control menu.

The television should automatically find the new broadcast frequency for MPT and the process only takes a few minutes. If the rescan doesn’t work, snow will be seen on the television set. For complete rescan instructions, go to

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Maryland Public Television Station Changes Frequencies