Show New Radio Wave Lengths Become Effective Today WASHINGTON June 15 AP AP- AP The ne new frequency allocations rot for all broadcasting stations ordered by the federal radio commission be became became became be- be came effective early today changing changing chang chang- ing the wave lengths of nearly of Americas America's stations Although the commission bas has given given given en much advance warning it was expected that the of the wave lengths will cause some diffIculty difficulty difficulty culty to the country's vast radio audience when it tunes in tonight for lor entertainment from its favorite broadcasting stations A number of the stations which have been assigned new wave lengths the commission believes also may be unable to maintain strictly their allocations during the first operations However the commission has ordered the revoking rf ing of licenses o of any stations which willfully fail falI to observe the new allocations and has asked the commerce department through Its representatives in the fIeld field to report report re report re- re I port violations of the terms of the new licenses |