December 1969 | NTIA Technical Memo ERL TM ITS 221

Bristol, Tennessee, radio frequency interference environment survey

John J. Tary; R. D. Moody

Abstract: A theoretical study has been performed of the radio frequency inter­ference (RFI) environment for existing electronic equipment and a proposed WSR-57 /MCW weather radar system installation on Holston Mountain and at Tri-City Airport, Tennessee. There are no problems anticipated from RFI standpoint by the installation of Weather Bureau microwave communication using the frequencies 8. 045, 8. 175, and 8. 275 GHz, but a siting problem could develop at the Tri-City airport due to aircraft in the microwave beam. The problem should be examined in greater depth with alternate solutions presented. It is recommended that the proposed Weather Bureau’ s radio and radar systems be installed.

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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