Stanley I. Cohn

Abstract: The Technical Subcommittee (TSC) of the lnterdepartment Radio Advisory Committee (IRAC) was tasked to provide NTIA quantitative definitions of terms relating to spectrum efficiency so that NTIA could develop a computer program which uses these TSC definitions to study the efficiency of the Government's use of the spectrum. The resulting measure, the Technical Spectrum. Efficiency Factor (TSEF), was applied to development of a computer program to determine the distribution of TSEF's of various Government fixed systems in a government fixed service band. This report considers the extension of the program to include consideration of receivers denying the placement of transmitters as well as the case where common denial areas among two or more systems is involved.

Keywords: interference; television; spectrum efficiency; land mobile radio (LMR)

Disclaimer: Certain commercial equipment, components, and software may be identified in this report to specify adequately the technical aspects of the reported results. In no case does such identification imply recommendation or endorsement by the National Telecommunications and Information Administration, nor does it imply that the equipment or software identified is necessarily the best available for the particular application or uses.

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