MAKING HISTORY. The two largest broadcast transfers ever won approval from the Federal Communications Commission, which gave Capital Cities Communications permission to merge with ABC and allowed publisher Rupert Murdoch to buy six Metromedia TV stations. In all, the FCC approved the transfer of 32 broadcast licenses in big-city markets covering about one-third of the U.S. population. FCC chairman Mark S. Fowler said opponents of Murdoch's TV-station purchase merely wanted to limit the freedom of speech of Murdoch, a newly naturalized American citizen.