KPIX newscasts now all in HD February 6, 2008 by Veronica Villafañe The San Francisco CBS O&O is now broadcasting all its newscasts in high definition. KPIX’s HD newscasts can be seen over the air on ch. 5.1, on Comcast cable ch. 705, on DirecTV ch. 5.1 and on Dish Network ch. 5.1.