Concept information
Preferred term
SONAR
Definition
- Sound Navigation and Ranging (SONAR) is a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return. (en)
Broader concept
- Acoustic Sounders (en)
URI
https://gcmd.earthdata.nasa.gov/kms/concept/10040ca6-3809-4679-a41e-6a6efbb25ae8
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