WEBOct 28, 2018 · What is MTVU on cable used to be VH Uno (Spanish VH1) As VH Uno it was mostly available in Hispanic packages on digital cable. MTVS (Now Tr3s) was the other. Viacom bought the campus network, CTN in 2002 and rebranded it MTVU in ‘04. Initially, MTVU was only available on the campus system (The old CTN).