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Aviation History
1962
1962 - 2045.PDF
444 FLIGHT International, 13 September 1962 Decca Radar Series 5 transistorized display. The complete system is in the desk-top unit being used by the operator ROUND THE STANDS series VHF com/nav equipment, based on a combined receiver/ transmitter unit with optional attachments for VOR/ILS and marker. This is valve equipment and will give 190- or 360-channel coverage, 12V or 24V power supplies and transmitter output between 3 and ^ Watts. Smiths hope to get it into Class 1. Price in Britain of the basic 180-channel. 12V com package is £361. The recently announced Motorola ADF-T-12B almost makes unrestricted per formance, but will be Class 1, which the T-12 is not. Not knowing when their next SBAC display might come. BEME Telecommunications decided to show this year the development prototype of their new F62 11-channel light aircraft VHF. with crystal controlled transmitter and tunable receiver with whistle stop. Transmitter output is 4W nominal, valves are used through out and the crystals can be changed in flight. The main unit can be mounted directly in the panel, and the power pack can be bolted down almost anywhere. Junction boxes for any headset or micro phone arrangement are to be provided. The set is still some time away from the sales counter, but will be cheap. BEME are already sales concessionaires for the Avitron Airphone, an American VHF set with 17 crystal controlled transmitter frequencies and whistle- stop receiver tuning over the full com band. The power pack is built-in, a rechargeable battery or wind-driven generator can pro vide power and intercom is included. Transmitter output is 2W. Burndept showed for the first time in Britain their new BE.304 11-channel crystal controlled VHF radio in remote- and direct- control versions. Power pack is separate and crystals can be changed in the air. It covers the whole com band at 50kc/s spacing, should get Class 1 approval, is in production and costs £195 with cables, but without crystals. The importance of these very small cheap sets is that the MoA will inevitably require all aircraft to carry radio during the next few years and the manufacturers are preparing for the day. Eleven channels should comfortably cover all normal requirements, es pecially since some light aircraft frequency allocations will have to be made. Communications apart, there is the ingenious Halpin Beamtracker MF/VHF nav equipment, the VHF portion of which was shown installed in the Beagle 218 mock-up, together with Motorola VHF and ADF. Murphy, who have long been making small VHF radios, are now importing, and may manufacture, the German Becker VHF com series, particularly the new 380-channel AR.380 first announced at Hanover in April. Price of the complete unit, which should achieve Class 1, is about £700. The power pack can either be clipped to the back of the main panel-mounted unit or installed separately. Elliott Brothers (London) have for some years been keenly interested in the light aircraft market, but deterred from large-scale new projects by costs. They do, however, market a French Executive 360-channel set complete with Elliott power module. It costs £650 and has 5W transmitter power. The small Bendix DFA 72 ADF is also offered. An intriguing indigenous design is the executive aircraft intercom box which, by insertion of a variety of circuit boards, can be made to provide virtually any combination of radio and intercom station box service. Selector switches are neatly laid out and all necessary amplifiers are included. Elliotts have manu factured the Bendix 21 Series airline radio and are now preparing to make certain portions of the most recent "solid state reliability"' range. Standard Telephones and Cables are getting close to production on their new transistorized Three Four series VHF radio, which is unrestricted, but of very competitive price and size. The STR.37 is the basic 380-channel com module, to which a 6W (STR.38) or 20W (STR.39) amplifier can be added. On show for the first time were the nav units, with instrument cut-out nav receiver, and in strument drive and glide-slope receiver each in a half-height ATR case. Panel-mounted three-light marker receiver, in either vertical or horizontal format, complete the range. The navigation units are designated SR.45, SR.46 and SR.47. The STR.38 complete is to Below, S.T.C. Three Four series VHF com/nav radio units in the centre portion of a Beagle 206 instrument panel
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