#2
Post
by D-Rider » Wed May 25, 2011 11:05 pm
Well, unless it can also measure the distance from the noise source and the vehicle is running at the revs specified for sound measurement, it's meaningless.
That said, I'd be very glad to have one to point at the helicopters that frequently fly over on their way to/from Coventry airport.
“Scientists investigate that which already is. Engineers create that which has never been.”
-- Albert Einstein