Originally Posted by pacanis
A decibel meter then?
Why the two values? To zero it out?
The measurement will jump around a few times a second, so I imagine it's helpful to pinpoint the maximum and minimum values in case you blink and miss it!
Originally Posted by Barbara L
That was my first thought too! It didn't look like the pictures I was able to find, but that doesn't necessarily mean anything, since we don't know when this picture was taken. I have always wanted to go to Four Corners.
It's nice to say you've been, but it's far less interesting than the mystery place looks!
That scenery is hard to place, but I'm reminded of New Mexico, so I'm going to guess it has something to do with the Trinity Test Site.