Broadcasting (Apr - June 1960)

June PROCEEDINGS presents an exclusive report of world-wide significance IRE is proud to present, in June 1960 Special Issue of PROCEEDINGS, the findings of a team of 271 engineers who for 214 years conducted studies of world-wide significance for the future of television. The Television Allocations Study Organization — formed by the TV industry in 1956 at the FCC’s request — has exhaustively analyzed the engineering factors underlying allocation of frequencies for VHF and UHF television broadcasting. As the number of television services grows, a better use of TV channels becomes increasingly important. TASO engineers first drew up specifications for measuring TV field strengths; then sifted data on field strengths of VHF and UHF. They have discovered reasons for hitherto unexplained deviations, and have also sought to establish a relation between field strength and picture quality. How good are directional TV transmitting antennas? The results of extensive field tests are analyzed. To what extent do interfering signals and noise affect picture quality? How accurately can one predict an interfering field? These and other questions List of contents: — — BE SURE YOU READ THESE ARTICLES! “Television Allocations Problems” by E. W. Allen, Federal Communications Commission “The Television Allocations Study Organization” — a Summary of its Objectives. Organization and Accomplishments” by George R. Town, exec, dir. of TASO; Iowa State University “Measurement of Television Field Strengths in the VHF and UHF Bands” by H. T. Head, A. D. Ring and Associates; and Ogden L. Prestholdt, CBS-TV “Forecasting Television Service Fields” by Alfred H. LaGrone, University of Texas “Influence of Trees on Television Field Strengths at Ultra-High Frequencies” by H. T. Head “Tropospheric Fields and their Long-Term Variability as reported by TASO” by Philip L. Rice, National Bureau of Standards “Picture Quality — Procedures for Evaluating Subjective Effects of interference” by G. L. Fredendall and W. L. Behrend, RCA Labs. “Measurement of the Subjective Effects of Interference in Television Reception” by Charles E. Dean, Hazeltine Research Corp. “Studies of Correlation between Picture Quality and Field Strength in the United States” by C. M. Braun and W. L. Hughes, Iowa State University “Relative Performance of Receiving Equipment as reported by TV Servicemen” by Holmes W. Taylor, Burroughs Corp. "VHF and UHF Television Receiving Equipment” by William 0. Swinyard, Hazeltine Research Corp. “Findings of TASO Panel I on Television Transmitting Equipment” by H. G. Towlson of General Electric Co. and J. E. Young, RCA "Determining the Operational Patterns of Directional TV Antennas” by F. G. Kear, of Hear and Kennedy, and S. W. Kershner, of A. D. Ring and Assoc. “Sound-to-Picture Power Ratio” by Knox Mcllwain, Burroughs Corp. “Presentation of Coverage Information” by D. C. Livingston, Sylvania Electric Products, Inc. “The Television System from the Allocation Engineering Point of View” by Robert M. Bowie, Sylvania Research Labs. are answered. So important are the TASO findings that IRE has allocated 120 pages to them. If you are not already an IRE member, we suggest you send in the coupon below to reserve a copy, for the June 1960 PROCEEDINGS will surely remain the definitive work on VHF and UHF TV for many years to come. THE INSTITUTE OF RADIO ENGINEERS 1 East 79th Street • New York 21 , N. Y. □ Enclosed is $3.00. □ Enclosed is company purchase order for the June, 1960 issue on Television. All IRE members will receive this June issue as usual. Extra copies to members, $1.25 each (only one to a member). Name Company... Address. City & State. 90 BROADCASTING, May 30, 1960