natural radio-frequency interference

natural radio-frequency interference

[′nach·rəl ¦rād·ē·ō ¦frē·kwən·sē ‚in·tər′fir·əns]
(geophysics)
Natural terrestrial phenomena of an electromagnetic nature, or natural electromagnetic disturbances originating outside the atmosphere, which interfere with radio communications.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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