Fade Margins Important to Protecting 6 GHz Operations: Southern Co.
Southern Co, told the FCC fade margins are critical to protecting 6 GHz operations, in response to questions from the Office of Engineering and Technology. “Unlicensed parties have consistently misunderstood the purpose of a fixed microwave system’s fade margin,” the…
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utility said in a filing Thursday in docket 18-295: “In short, a microwave system is subject to fading due to changing conditions in the atmosphere. … Any reduction of the fade margin can significantly affect the performance and reliability of a fixed microwave link. Degradation of the fade margin that does not cause an immediate outage of the link would nevertheless be harmful interference because it makes the fixed microwave system more vulnerable to outage from fades that it could otherwise withstand.”