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BBC RD Reports — 1970

RD No. Title and author(s)
RD 1970/1 Determination of the current distribution for aerial arrays of collinear elements with any number of sidelobes having equal maxima. J.W. Head
RD 1970/2 Field-store standards conversion: The impairment caused by amplitude-perturbation of the colour subcarrier. D.W. Osborne
RD 1970/3 Satellite broadcasing service areas. J.W. Head
RD 1970/4 The summation of sound signals from simultaneous commentaries. W.I. Manson
RD 1970/5 A non-synchronous method of demodulating amplitude-modulated signals with asymmetrical sidebands K. Hacking
RD 1970/6 Automatic registration feasibility study: Fundamental considerations. J.R. Sanders
RD 1970/7 Medium-frequency sky-wave broadcasting: Effect of polarization on interference. P. Knight
RD 1970/8 A computer program for calculating sky-wave field strengths at medium frequencies. A.D. Oliver, A.G. Lyner, P. Knight
RD 1970/9 UHF television: the interference caused by a receiver operating on channel n to an adjacent receiver tuned to n+4 J.G. Spencer
RD 1970/10 Permissible bass rise in talks studios. N.F. Spring, K.E. Randall
RD 1970/11 Combined effect of several interfering signals. J.W. Head
RD 1970/12 Automatic registration feasibility study: The use of sampling techniques for vertical registration error detection. J.D. Lunn
RD 1970/13 Acoustic scaling: General outline. H.D. Harwood, A.N. Burd
RD 1970/14 Couteur A method of averaging frequency modulated signals. M.J. Mortimore, G.M. Le
RD 1970/15 Colour cameras: Automatic compensation for changes in the spectrum of the light incident on to the scene. E.W. Taylor, J.P. Chambers
RD 1970/16 Field-store standards conversion: Servo-control of the field delay. R.E. Davies
RD 1970/17 UHF relay stations: vertically-polarised printed panel aerials. G.W. Millard
RD 1970/18 Pulse code modulation for high quality sound distribution: Quantizing distortion at very low signal levels. M.G. Croll
RD 1970/19 Improvements to colour film projection by modifying the spectrum of the illumination J.O. Drewery
RD 1970/20 UHF radio links: 2.5Ghz transmitting aerials for mobile radio cameras N.H.C. Gilchrist, J.H. Moore
RD 1970/21 The design and replacement aerials for Moorside Edge. P. Knight
RD 1970/22 Television reception over sea paths: The effect of the tide. P.A. Laven, D.W. Taplin, C.P. Bell
RD 1970/23 Observations of the stability of the propagation time of a long television link. D.W. Osborne
RD 1970/24 Field-store standards conversion: Amplifiers for ultrasonic quartz delay lines. R.V. Harvey
RD 1970/25 Pulse code modulation of video signals: 8-bit coder and decoder. V.G. Devereux
RD 1970/26 An investigation into the prediction of field strength: 'The Guildford experiment'. R.W. Lee, J.H. Causebrooke, R.S. Sandell
RD 1970/27 Satellite broadcasting: An aerial design for domestic reception in the 12 GHz band. G.H. Millard
RD 1970/28 A PCM sound-in-syncs system for outside broadcasts. C.J. Dalton
RD 1970/29 LF/MF receivers with synchronous demodulation for double- or single-sideband transmissions. K. Hacking, D.E. Susans
RD 1970/30 BBC Test Chart 57: A new grey scale reflectance chart for colour television cameras. S.J. Lent
RD 1970/31 VHF receiving aerials: The use of active elements. D.J. Whythe
RD 1970/32 The choice of primary colours for colour television. C.B.B. Wood
RD 1970/33 Multiple wall weathershields for UHF aerials C.D. Mathers
RD 1970/34 Pulse-code modulation for high-quality sound signal distribution: Feasibility of multiplex system. J.R. Chew
RD 1970/35 Band II FM sound broadcasting: Field tests at radio Nottingham using mixed polarisation. J.G. Spencer
RD 1970/36 Pulse-code modulation for high-quality sound-signal distribution: Instrumentation of experimental multiplex system. J.R. Chew, M.G. Croll
RD 1970/37 Field store standards conversion: Description of the C06/506 converter. S.M. Edwardson, R.E. Davies, R.V. Harvey et al
RD 1970/38 Satellite broadcasting: Spectrum efficiency of television services in the 12 GHz band. G.J. Phillips
RD 1970/39 Modulation systems for television: Theoretical comparison of noise performance, with and without pulse coding. A. Brown


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