Heinl radio business letter (Jan-June 1940)

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LESS INTERFERENCE EXPECTED WHEN TREATY OPERATES Considerable imoroveraent in broedcasting conditions in this country, with a substantial decrease in interference caused by overlapping stations, was forecast this week by Commissioner T.A.M. Craven following formal notification that the Mexican Senate had ratified the North American Regional Broadcast Agreement on December 31. Fnile details of the action were still lacking at the week-end, the Federal Communications Commission and State Denartment officials were optimistic at the prospect of bringing order into North American broadcasting conditions for the first time. The only danger that this goal may not yet be in sight is that Mexico may have adopted the 193? Treaty with reservations. The agreement was promulgated at the First International Radio Conference held at Havana in 1937 and has been ratified by five countries Canada., Cuba, Haiti, Mexico and the United States. It can be made effective as soon as Mexico deposits the signed document at Havana. Should the Treaty become operative, a widesnread realloca¬ tion of broadcasting facilities in the United States will be order¬ ed by the Federal Communications Commission within a few months. It is estimated that more than 650 of the country’s 814 stations will have to change frequencies. The changes in most cases, however, will be slight or betv^een 10 and 40 kilocycles. Radio repairmen will get a lot of business when the shakeup is ordered as push button receivers will have to be altered slightly and sets that don't go un to 1600 kc. will have to be adjusted. On other sets listeners will have to change their habits or logs to pick uo their favorite stations on new wavelengths. One of the achievements of the Treaty, unless Mexico adopted it with reservations, will be to eliminate the troublesome "border sta.tions", those high-powered radio outlets along the Rio G-rande which are ooerated a.lmost solely to reach American audiences. Under the treaty they will be abolished and Mexico's wavelengths will be so limited that it probably will not turn any of them over to American promoters. Mexico will be peraitted to con¬ struct hi.gh power stations within the interior but not along the U. 3. border. 2