normal-mode helix
normal-mode helix
[′nȯr·məl ‚mōd ′hē‚liks] (electromagnetism)
A type of helical antenna whose diameter and electrical length are considerably less than a wavelength, and which has a radiation pattern with greatest intensity normal to the helix axis.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.