    ‘Sentence 1: How many alfiliates carry the ABC network feed in  480i standard definition?    ‘Sentence 2: However, most of Hearst Television's 16 ABC-  affiliated stations transmit the network's programming in  1080i HD, while 11 other affiliates owned by various companies  carry the network feed in 480i standard definition either due to  technical considerations for affiliates of other major networks  that carry ABC programming on a digital subchannel or  because a primary feed ABC affiliate has not yet upgraded their  transmission equipment to allow content to be presented in  HD.