Section 157.51. Microphone distance correction factors

Latest version.

If the distance between the microphone location point and the microphone target point is other than 50 feet (15.2 meters), the maximum observed sound level reading generated by the motor vehicle in accordance with § 157.44 (relating to measurement procedures) shall be corrected as specified in the following table:

                    
                        var val = document.getElementById('citecontent').innerHTML;
                        art.dialog.defaults.title = window.location.href;
                        art.dialog.data('cite', val);
                        art.dialog.data('homeDemoPath', '/Scripts/plus/artDialog/');
                        art.dialog.open('/Scripts/plus/artDialog/citeiframe.html');