This chart shows acoustic measurements made on 3-15-2005   75 feet NNW of the edge of the jet. The meter was 2 feet above the exit, and 5 foot 9 inches above the ground. The conditions of the test were 50 degrees F. 32% RH, Barometric pressure 30.08. Wind 5 MPH from the NNE. This location is as close as a vehicle can park to the jet. The image below the chart shows the position of the meter relative to the jet.

Note that while John Suiter was flying when this picture was taken, just after the measurements were made, no one was flying when the measurements were taken. Also note that the microphone on the sound meter points 45 degrees from it's vertical axis, the microphone is aimed at the center of the jet..