SmarterEveryDay | How Sonar Works (Submarine Shadow Zone) - Smarter Every Day 249 @smartereveryday | Uploaded 3 years ago | Updated 1 hour ago
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GET SMARTER SECTION

This is the document you want to read:
fas.org/man/dod-101/navy/docs/es310/SNR_PROP/snr_prop.htm

en.wikipedia.org/wiki/Sonar

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Ambiance, audio and musicy things by: Gordon McGladdery
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Destin