Sonar sounds

[Nexus7]

Find here some nice samples of underwater sounds an operator might detect

http://americanhistory.si.edu/Subs/work/exploring/acoustic/index.html

The source seems serious to me, and our profis could confirm (or not)

[Dr.Sid]

Nice ! I have a questions to pros too.

What frequence does active sonars operate ? Let's say LA's sphere sensor. In DW, it is audible tone I would guess under 2kHz. Then it should be visible on BB and NB ..

[SeaQueen]

What frequence does active sonars operate ? Let's say LA's sphere sensor. In DW, it is audible tone I would guess under 2kHz. Then it should be visible on BB and NB ..

The precise operating frequencies of active sonar systems are classified. In general, most sonar systems operate in the thousands of Hz range.