frequency prediction chart

frequency prediction chart

[′frē·kwən·sē prə‚dik·shən ‚chärt]
(communications)
Graph showing curve for the maximum usable frequency, frequency optimum traffic, and lowest usable frequency between two specific points for various times throughout a 24-hour period.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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