guard band

American  

noun

Radio.

1. 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.

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guard band British  

noun

1. a space left vacant between two radio frequency bands, or between two tracks on a magnetic tape recording, to avoid mutual interference

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Etymology

Origin of guard band

First recorded in 1955–60

Example Sentences

As a consequence, she returned to the cooler climes of Addis Ababa with her teacher, who was appointed the head of the Imperial Guard Band.

From BBC

The Swiss Guard band played festive music.

From Washington Post

Mr. Nelson added 30 instrumental parts and the song was then played and recorded by the Coast Guard Band and submitted to the Space Force for review.

From New York Times

Coast Guard Band, who said that Mr. Teachenor “wanted me to help add the harmony and to orchestrate it.”

From New York Times

Nelson, 39, is a Chief Musician who serves as trombonist and staff arranger for the Coast Guard Band.

From Washington Post