What Happened to my Local TV Channels?

Episode 1584
Mark fromMark's channels have disappeared from his Hauppauge tuner. What happened? Leo says that the FCC has made stations shift frequencies, and have advised that users rescan for missing channels. Check out TVAnswers.org for when and how to rescan. There's more information here - https://losangeles.cbslocal.com/video/4040289-cbs2-rescan-day/. But it may also be a Hauppauge issue.