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

Abstract: This is the fourth in a series of reports describing the results of studies to determine the location of sources of harmful interference to the high frequency (HF) broadcasting service. Using observations recorded during the July 1988 monitoring program conducted under the auspices of the International Frequency Registration Board, and observations from monitoring stations coordinated by the Institute for Telecommunication Sciences, the report identifies frequently observed emitters of harmful interference and their locations, and notes the extent of such interference with programs of 1eading 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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