Mary W. Sowers; Gregory R. Hand; Charles M. Rush

Abstract: This is the second in a series of reports describing the results of studies to determine the location of sources of harmful interference to the HF broadcasting services. Using observations recorded during the January 1986 monitoring program conducted by the International Frequency Registration Board, the report describes procedures used to analyze the data, amplifiers studies of earlier monitoring programs, identifies frequently observed emitters of harmful interference, and notes the extent of such interference to programs of leading international broadcast organizations.

Keywords: HF propagation; direction finding; harmful interference; HF broadcasting; HF jamming

To request a reprint of this report, contact:

Lilli Segre, Publications Officer
Institute for Telecommunication Sciences
(303) 497-3572

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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