For the last two weeks, scrappy, self-assured ex-Navy Commander Eugene F. McDonald Jr., president of Zenith Radio, has been happily harpooning his competitors. Full-page ads in 30 newspapers have trumpeted the warning that all TV sets (except Zenith's) are in danger of becoming obsolete. Zenith's reasoning: any day now, the Federal Communications Commission may license Ultra High Frequencies* for TV transmission. McDonald claimed that Zenith is the only television receiver equipped with "a specially designed, built-in turret tuner" with "provision" for picking up UHF.
The angriest reaction came from trigger-tempered Ross Siragusa of Admiral Radio, who got wind that the ad was...