Heinl radio business letter (July-Dec 1931)

Record Details:

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The order sets out in detail the com¬ munications band widths required for the various types of emissions, such as Morse telegraphy, telephony, automatic radio printers; facsimiles, picture transmissions, television and the like. The importance of frequency stability or minimum wave-wobbling is emphasized in the order, which de¬ tails a comprehensive list of requirements as to tolerances for the different classes of stations, all representing a tightening-up of requirements as contained in existing regula¬ tions. The system has been so devised as to make it extremely flexible, so that a greater number of stations may be accommodated as the art progresses, and upon substantial proof that no interference will be caused by such augmentations. The rigid channeling system heretofore observed, in effect, is discarded, but the set-up is always protected by the requirement that a proper showing of tech¬ nical advancement must be made before any changes are to be permitted. The new order, which replaces General Or¬ der 88 covering the allocations of facilities and services, covers 39 pages, and may be procured from the Federal Radio Commission. A minute, accompanying the order, adopted by the Commission, follows in full text: The Commission ordered: That all li¬ censes for the following services which are in full force and effect on the effective date of this order, but which expire on or prior to 3 a.m. , E.S.T. Feb. 1, 1932, be and the same are hereby extended until said date: Point to point, coastal; marine relay; ships above the 1,500 kilocycles; aeronautical, and aerunautical point to point; aircraft; police; mobile press; fire (ma¬ rine); experimental, visual broadcasting; experimental relay broadcasting; general experimental; geophysical. That subsequent to the effective date of this order no instrument of authorization for services other than broadcasting (550-1,500 kilocycles) will be granted and issued so as to expire at a later date than 3 a.m. E.S.T. , Feb. 1, 1932, unless such instrument of authorization conforms to the requirements of General Order No. 119. That all applications for renewal of li¬ censes, including those which are already on file, be acknowledg¬ ed by the Secretary for subsequent action; provided, however, that the applications will be considered as modified to con¬ form with the terms of General Order No. 119 unless prior to Dec. 1, 1931, objection to such modification is filed in which -4