rural radio service
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rural radio service[′ru̇r·əl ′rād·ē·ō ‚sər·vəs]
A radio service used to provide public message communication service between a central office and subscribers located in rural areas to which it is impracticable or uneconomic to run wire lines.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.