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June PROCEEDINGS presents an exclusive report of world-wide significance
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IRE is proud to present, in June 1960 Special Issue of PROCEEDINGS, the findings of a team of 271 engineers who for 2x/2 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 ,„_ 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.
. BE SURE YOU READ THESE ARTICLES!
i Allocations Problems" by E. W. Allen, Federal Communicatio
its
(Or. of TASO; Iowa State Un
"Measurement ot Television Field Strengths in the VHF and UHF Bands" by H. T. Head, A. D. Ring and Associates; and Ogden L. Prestholdt, CBS-TV f "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 I i "Picture Quality— Procedures for Evaluating Subjective Effects of Inter( ference" by G. L. Fredendall and W. L. Behrend, RCA Labs.
Effects of Interference in Television szeltine Research Corp. "Studies of Correlation between Picture Quality and Field Strength in I 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, I 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 " "'. Kershner, of A. D. Ring and
• G. Kear, of Kear and Kennedy, and S.
' by Kn< ("Presentation of Coverage Informatii
Electric Products, Inc.
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, Burroughs Corp. by D. C. Livingston, Sylvania
by Robe
THE INSTITUTE OF RADIO ENGINEERS 1 East 79th Street • New York 21, N. Y.
r^ □ Enclosed is $3.00.
'.. □ Enclosed is company purchase order z 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).