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Volume 98
Issue 56
Proceedings of the IEE - Part III: Radio and Communication Engineering
Volume 98, Issue 56, November 1951
Volumes & issues:
Volume 98, Issue 56
November 1951
The design of an omni-directional aerial system for the frequency range 225–400 Mc/s
- Author(s): F.A. Kitchen
- Source: Proceedings of the IEE - Part III: Radio and Communication Engineering, Volume 98, Issue 56, p. 409 –415
- DOI: 10.1049/pi-3.1951.0089
- Type: Article
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The paper describes the considerations which led to the development of an omni-directional aerial system for the frequency range 225–400 Mc/s, suitable for installation in H.M. ships for use with either transmitting or receiving radiocommunication equipment. Results of measurements on the performance of the aerial system, both as regards terminal-impedance variations and radiation characteristics, are given.
The Sutton Coldfield television broadcasting station
- Author(s): P.A.T. Bevan and H. Page
- Source: Proceedings of the IEE - Part III: Radio and Communication Engineering, Volume 98, Issue 56, p. 416 –441
- DOI: 10.1049/pi-3.1951.0090
- Type: Article
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The paper describes the design, construction and service performance of the Sutton Coldfield television station built by the British Broad-casting Corporation as a first step in the extension of its television service to the provinces.The relation of the operating channel of Sutton Coldfield to the overall frequency-allocation plan for the 41–68-Mc/s band used for television broadcasting in the United Kingdom and the reasons for adopting a vestigial-sideband characteristic for the vision transmission are briefly discussed.The complete vision and sound transmitting equipment is described and its performance characteristics are stated. The considerations governing the design of the aerial-mast system, the vision-and-sound-combining diplexer and the transmission lines are also discussed, and details are given of the construction used and the performance obtained.
The vision transmitter for the Sutton Coldfield television station
- Author(s): E.A. Nind and E.McP. Leyton
- Source: Proceedings of the IEE - Part III: Radio and Communication Engineering, Volume 98, Issue 56, p. 442 –459
- DOI: 10.1049/pi-3.1951.0091
- Type: Article
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The transmitter described was designed and constructed for the B.B.C. and is the first post-war vision transmitter to be operated on regular broadcasting service in England. The description is general where the technique is well-established, but becomes more detailed concerning novel parts of the equipment.
The vestigial-sideband filter for the Sutton Coldfield television station
- Author(s): E.C. Cork
- Source: Proceedings of the IEE - Part III: Radio and Communication Engineering, Volume 98, Issue 56, p. 460 –464
- DOI: 10.1049/pi-3.1951.0092
- Type: Article
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The paper is concerned with the design, construction and performance of the vestigial-sideband filter circuit installed at the Sutton Coldfield television station in 1949, operating on a vision carrier-frequency of 61.75 Mc/s and a sound carrier-frequency of 58.25 Mc/s.An outline of the specification of the filter is given as well as the reason for the choice of a complementary constant-resistance network filter of the Norton typs for this purpose. The basic design formulae relevant to the network chosen are given, with information on the inversion and replacement of lumped elements by coaxial lines.The practical circuit adopted is given, as well as the measured results showing the agreement between its performance and that of the idealized network.Finally, reference is made to the construction of the filter and to the ancillary components of the installation, comprising the absorber load, the standing-wave detector and the change-over switch.
Discussion on the “Symposium of papers on the Sutton Coldfield television station” before the Radio Section, 9th May, 1951
- Source: Proceedings of the IEE - Part III: Radio and Communication Engineering, Volume 98, Issue 56, p. 465 –468
- DOI: 10.1049/pi-3.1951.0093
- Type: Article
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The authors' replies to the discussion on the “Symposium of papers on the Sutton Coldfield television station”
- Author(s): P.A.T. Bevan ; H. Page ; E.A. Nind ; E.McP. Leyton ; E.C. Cork
- Source: Proceedings of the IEE - Part III: Radio and Communication Engineering, Volume 98, Issue 56, p. 468 –470
- DOI: 10.1049/pi-3.1951.0094
- Type: Article
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Discussion on “The space-charge smoothing factor”
- Source: Proceedings of the IEE - Part III: Radio and Communication Engineering, Volume 98, Issue 56, p. 470 –472
- DOI: 10.1049/pi-3.1951.0095
- Type: Article
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The London-Birmingham television radio-relay link
- Author(s): R.J. Clayton ; D.C. Espley ; G.W.S. Griffith ; J.M.C. Pinkham
- Source: Proceedings of the IEE - Part III: Radio and Communication Engineering, Volume 98, Issue 56, p. 472 –476
- DOI: 10.1049/pi-3.1951.0096
- Type: Article
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The use of an electrostatic wattmeter for magnetic-loss measurements
- Author(s): J.K. Choudhury and Arvon Glynne
- Source: Proceedings of the IEE - Part III: Radio and Communication Engineering, Volume 98, Issue 56, p. 476 –477
- DOI: 10.1049/pi-3.1951.0097
- Type: Article
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The development of electrical anemometers
- Author(s): G.E.W. Hartley
- Source: Proceedings of the IEE - Part III: Radio and Communication Engineering, Volume 98, Issue 56, p. 477 –479
- DOI: 10.1049/pi-3.1951.0098
- Type: Article
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An electrical method of resolving true wind velocity aboard ship
- Author(s): H.D. Hawkes and J.M. Laws
- Source: Proceedings of the IEE - Part III: Radio and Communication Engineering, Volume 98, Issue 56, p. 479 –480
- DOI: 10.1049/pi-3.1951.0099
- Type: Article
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Wind- and gust-measuring instruments developed for a wind-power survey
- Author(s): H.H. Rosenbrock and J.R. Tagg
- Source: Proceedings of the IEE - Part III: Radio and Communication Engineering, Volume 98, Issue 56, p. 480 –481
- DOI: 10.1049/pi-3.1951.0100
- Type: Article
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Mean-wind-velocity instruments for use on naval craft
- Author(s): J. Bell and E.M. Langham
- Source: Proceedings of the IEE - Part III: Radio and Communication Engineering, Volume 98, Issue 56, p. 481 –483
- DOI: 10.1049/pi-3.1951.0101
- Type: Article
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The radar-sonde system for the measurement of upper wind and air data
- Author(s): F.E. Jones ; J.E.N. Hooper ; N.L. Alder
- Source: Proceedings of the IEE - Part III: Radio and Communication Engineering, Volume 98, Issue 56, p. 483 –484
- DOI: 10.1049/pi-3.1951.0102
- Type: Article
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An automatic frost-point hygrometer for measurements in the upper air
- Author(s): A.W. Brewer and R.H. Dobson
- Source: Proceedings of the IEE - Part III: Radio and Communication Engineering, Volume 98, Issue 56, p. 484 –485
- DOI: 10.1049/pi-3.1951.0103
- Type: Article
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Some meteorological instruments used in building research
- Author(s): A.W. Pratt ; B.G. Collins ; R.E. Lacy ; E.W. Spink
- Source: Proceedings of the IEE - Part III: Radio and Communication Engineering, Volume 98, Issue 56, page: 485 –485
- DOI: 10.1049/pi-3.1951.0104
- Type: Article
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Design of electric wave filters with the aid of the electrolytic tank
- Author(s): A.R. Boothroyd
- Source: Proceedings of the IEE - Part III: Radio and Communication Engineering, Volume 98, Issue 56, p. 486 –492
- DOI: 10.1049/pi-3.1951.0105
- Type: Article
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