MEXICO CITY — Azteca America affiliate station group Una Vez Mas has reached the latest in a string of carriage deals, adding its Dallas station KODF to DirecTV’s offerings.KODF will be seen on DirecTV channel 26. Deal adds around 375,000 additional homes in the Dallas-Fort Worth area and bumps Azteca’s coverage to 86% of the U.S. Hispanic aud. Azteca America is the U.S. subsidiary of Mexico’s No. 2 web, TV Azteca. Dallas-based Una Vez Mas, headed by CEO Terry Crosby, is Azteca America’s biggest and fastest-growing affiliate group, with 17 stations. Company’s expansion, most recently into Atlanta, is backed by venture capital from Boston-based private equity firm Alta Communications.