Quote:
Originally Posted by MadMike
.....
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....
|
If I wanted to adopt these numbers, how can I find an average representation when all we have to edit are Self Noise and Sonar Reflection figures....not to mention user control of his boat and options presented in a given environment, ie- surface noise, vessel depth / speed ....
all while trying to keep a fairly level playing field so to speak.