A vessel may not be operated on Washington waters if, when measured from the shore, it produces a noise level over 75 decibels.
75
In Washington State, boats are prohibited from operating at a noise level exceeding 90 decibels when measured from the shore. This regulation is in place to minimize noise pollution and protect the natural environment and communities. Compliance with this noise level helps ensure a more peaceful experience for both boaters and those enjoying the shoreline.
The decibel.
Decibel (dB) * The Bel is the primary unit. However, the scale is too large. So for human hearing, we use the deciBel, where each deciBel is 1/10 of a Bel. this is abbreviated dB.
Decibel is a measurement of loudness.
The loudness of the radio was measured at a high decibel level by the council authorities.
Weight is measured in kilos, liquid is measured in litres and sound is measured in decibels.
Sound is measured in decibels. A decibel is 10logPower Out/Power In.
A: Dbm or decibel of modulation
The loudness of sound is measured using the "decibel" or "bel" unit.
Sound is measured in decibels by a sound pressure level meter (SPL-meter).
The volume of a sound refers to how loud or soft it is. It is measured in decibels (dB), with higher decibel levels indicating louder sounds.