DENVER (KDVR) — If you watch FOX31 using a TV antenna, there's an important change you need to know about. You'll need to buy an antenna (details below) and hook it up to your TV. Big News! Antenna TV is now available to Comcast subscribers on Channel 253. Starting 4/27, Denver Antenna TV viewers will lose KDVR Fox 31 unless they do a rescan of their TV, DVR or digital converter box.