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National Radio Quiet Zone

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This map and the text below are based on my Part 97 Map app which visually explains certain aspects of the FCC's regulations for amateur radio in the USA. There are more related maps on my maps page.

§ 97.3(32)

National Radio Quiet Zone. The area in Maryland, Virginia and West Virginia Bounded by
39°15' N on the north,
78°30' W on the east,
37°30' N on the south and
80°30' W on the west.

§ 97.203(e)

Before establishing an automatically controlled beacon in the National Radio Quiet Zone or before changing the transmitting frequency, transmitter power, antenna height or directivity, the station licensee must give written notification thereof to the Interference Office, National Radio Astronomy Observatory, P.O. Box 2, Green Bank, WV 24944.

Additional Notes

If you are unfamiliar with the National Radio Quiet Zone, there's a fascinating story behind it which is definitely worth reading about. A quick search will yield plenty of good info and articles.

Part 97

The excerpts of US Title 47 CFR § 97 (Part 97) came from www.eCFR.gov and were current as of November 9, 2012.