Declassified Soviet Sound Signatures

MadMike · 05-07-19, 11:43 AM

A certain three letter agency has declassified sound signatures for a wide range of Soviet submarines. Original date of the document is 1969.

Operating levels considered "quiet" were 30-35 decibels in the low frequency band, and 20-25 db in the sonar band.

For the Victor class, these levels were-

Low freq, at 5 knots- 55-60db. At 14 knots- 65db

Sonar band, at 5 knots- 16db. At 14 knots- 22 db.

Yours, Mike

05-07-19, 11:43 AM	#1
MadMike Watch Officer Join Date: Nov 2002 Posts: 342 Downloads: 241 Uploads: 0	Declassified Soviet Sound Signatures A certain three letter agency has declassified sound signatures for a wide range of Soviet submarines. Original date of the document is 1969. Operating levels considered "quiet" were 30-35 decibels in the low frequency band, and 20-25 db in the sonar band. For the Victor class, these levels were- Low freq, at 5 knots- 55-60db. At 14 knots- 65db Sonar band, at 5 knots- 16db. At 14 knots- 22 db. Yours, Mike

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