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Aviation History
1962
1962 - 2279.PDF
14 FLIGHT International, 4 October 1962 flww|m STC AIRBORNE V.H.F. COMMUNICATION & NAVIGATION EQUIPMENT modern miniaturization techniques are employed, including transistors and printed circuits The equipments can be used either separately or as a comprehensive communication/navigation system Illustrated is the BEA Vanguard which carries STC equipments: STR.23, SR.34I35I36, SA.lOjU V.H.F. Communication Equipment Type STR.23 Transmitter Type ST.33 • Frequency band 118-135-95 Afc/s • 360 channels • 50 kcIs spacing • R.F. power output 20 watts Receiver Type SR.23 • Frequency band 108-135-95 Mcjs • 560 channels • 50 kojs spacing • Control Unit available to cover the whole band or communication band only I.L.S./V.O.R. Receiver Equipment Type 8R.34/3S V.O.R. and Localizer Receiver Type 8R.34 Comprises an SR.23 Receiver and an Instrument Drive Unit • Frequency band 108-117-9 Mcjs • 100 channels, 100 kcls spacing or 200 channels, 50 kcls spacing • Control Unit available to cover the navigational band 108-117-9 Mels with 50 or100 kefs channel spacing For further details ask for Radio Leaflets 265, 266 and 267 Glide Slope Receiver Type SR. 35 • Frequency band 329-3-335 Afc/s • 20 channels »300 kcls channel spacing • The selection of a Localizer chan nel automatically provides the associated Glide Slope channel 75 Mc/s Marker Receiver Type 8R.36 • Aural and visual (3 lamp) indications • Facilities for high and low sensitivity Among users of these Radio Systems are: British European Airways Corporation Aeronaves de Mexico S.A. Middle Bast Airlines S.A. Aeroflot Soviet State Airlines CS.A. Chechoslovakian Airlines L.O.T. Polish Airlines These STC Radio Systems are used on: Comet 4B • Comet 4C • Vanguard Viscount • IL.14 • IL.18 Convair 210 • TU.104 • Argosy Standard Telephones and Cables Limited RADIO DIVISION: OAKLEIGH ROAD NEW SOUTHGATE • LONDON N.I I
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