Complex sentence: As of 2004, it is owned by Infinity Broadcasting a division of Media giant Viacom International and it houses the transmitters and antenna towers for both WCBS Newsradio 880 AM and WFAN Sportsradio 660 AM (previously known as WNBC).
Split into simpler sentences: As of 2004, it is owned by Infinity Broadcasting, a division of media giant Viacom International. It houses the transmitters and antenna towers for both WCBS Newsradio 880 AM and WFAN Sportsradio 660 AM (previously known as WNBC).