guard-band

guard band

noun Radio.
an unassigned range of radio frequencies either just above or just below the band of frequencies required for the signal transmitted by a broadcasting station. It helps to prevent interference in receivers between signals from different stations.

Origin:
1955–60

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To guard-band
Collins
World English Dictionary
guard band
 
n
a space left vacant between two radio frequency bands, or between two tracks on a magnetic tape recording, to avoid mutual interference

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature