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Aviation History
1952
1952 - 1629.PDF
13 JUNE 1952 FLIGHT the economics of AIRPORT RECORDING From the standards and recommended practices laid down by the Convention on International Aviation, it is evident that automatic recording for Air Traffic Control will sooner or later be expected at every airport. The problem of high costs has hitherto caused natural hesitation on the part of some airport authorities in implementing these requirements. In this series oi advertisements, the answer to this problem is dealt with under the three headings of Capital Expenditure, Staff Requirements, Operating Costs. STAFF REQUIREMENTS How many personnel are necessary for the operation of Airport Recording equipment ? The need will vary according to the system installed. Clearly, however, the ideal is reached when the equipment is so designed that it requires only the occasional services of an unskilled operator and yet will maintain continuous "listening watch" even more efficiently than the monitor staff which it replaces. The development by the T.P. Group of the Thermionic Multi-Channel Airport Recorder now makes this possible for airports of all sizes. In addition to achieving the utmost economy in staff, this equipment further reduces operating costs to next to nothing in the following four ways. (1) The recording is on magnetic tape which can be used again and again after each recording has served its purpose. (2) From an initial four channels, extra channels up to a total of 14 can be added at small cost as requirements grow — all on the same tape. (3) The equipment is automatic and will give up to 12 hours continuous recording without attention. (4) Extreme simplicity of design ensures unfailing reliability. Recordings can be played back repeatedly without loss in reproduction — but can be instantly erased on a separate demagnetiser, which can be kept under special super vision for security. The tape is then ready for immediate re-use. Full details of this latest development in low-cost airport recording equipment will be supplied gladly on request. Thermionic multi-channel airport recorder Other products include the Soundmirror Mag- - netic Tape recorder, the Recordon Magnetic Dictating Machine and a complete range of instruments for electro-acoustical measurements. pA PRODUCT OF THE - ^GROUP OF COMPANIES THERMIONIC PRODUCTS LTD., HYTHE, SOUTHAMPTON, ENGLAND Telephone: Hythe 3265 T.A.4564
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