A tractor started tearing up the neighbor's driveway at 6.30am. I am NOT going to complain as the neighborhood put up with hot and cold running teenagers and a punk rock band in our basement.
But I was curious.
And I think I found out why normally nice people turn into Trump supporters ---
This is just a small bit I found, on our city website about noise ordinances --
(2) "dBA" means the sound pressure level in decibels measured using the "A" weighting network on a sound level meter. The sound pressure level, in decibels, of a sound is 20 times the logarithm to the base 10 of the ratio of the pressure of the sound to a reference pressure of 20 micropascals.