Indicator

From Glossary of Meteorology



indicator

(Sometimes called display.) An instrument used to reveal but not necessarily measure the presence of an electrical quantity.

It is used to display the output of a sensing element after suitable amplification and modification. In radar the term is used to refer to the cathode-ray oscilloscopes, or other recording devices, where the echoes returned from targets are presented visually or graphically.
See radarscope.


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