Galactic noise | Article about galactic noise by The Free Dictionary
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galactic noise[gə′lak·tik ′nȯiz]
Radio-frequency noise that originates outside the solar system; it is similar to thermal noise and is strongest in the direction of the Milky Way.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Values of environmental constants c and d Environmental category c d Business (curve A) 76.8 27.7 Residential (curve B) 72.5 27.7 Rural (curve C) 67.2 27.7 Quiet rural (curve D) 53.6 28.6 Galactic noise
(curve E) 52.0 23.0
, ever-present, should be taken into account.
is dominant at frequencies below 1 GHz.