Heinl radio business letter (July-Dec 1938)

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SENATOR WHITE CITES GAINS AT CAIRO World-wide radio regulations adopted at the Inter¬ national Tellecommunications Conferences in Cairo, Egypt, last Spring "are a distinct improvement over the existing regula¬ tions” and Mthe interests of the United States have been safe¬ guarded", Senator White ( R. ) , of Maine, Chairman of the American delegation, reported to the State Department this week. In a 42-page report, Senator White reviewed the actions of the Conference in relation to the demands of the United States Seven decisions of the Conference on radio matters were cited by Senator White as outstanding. They are: 1. Adoption of a plan for radio channels for the world's seven main intercontinental air routes, includ¬ ing calling and safety service channels. 2. Widening of the high frequency broadcast bands to a total of 300 kilocycles and the adoption of special bands for tropical regions for regional use. 3. The limitation of the use of spark sets to three channels and the outlawing of spark sets except below 300 watts output. 4. Improved tolerance and bandwidth tables. 5. The extension of the allocation table to 200 megacycles for the European region. Other regions were given the right to effect their own arrangements above 30 megacycles. 6. Establishment of further restrictions on the use of 500 kilocycles frequency for traffic. 7. Bringing up to date of regulations relative to the maritime and aeronautical services. Some of the highlights of the report relative to broad¬ casting follow: