APOLLO

GLAVAL BUS

Exterior Noise Test

Accelerating from Constant Speed

Date : 2001-10-11
Personnel : S.C., E.D. & B.S.
Temperature (°F) : 71 Humidity (%) : 43
Wind Speed (mph) : 8 Wind Direction : SW
Barometric Pressure (in.Hg) : 30.12
Verify that microphone height is 4 feet, wind speed is less than 12 mpg and ambient temperature is between 30 F and 90 F: true checked by S.C.
Initial Sound Level Meter Calibration: false checked by S.C.
Exterior Ambient Noise Level dB(A): 48.5

Accelerating from Constant Speed
Curb (Right) Side
Accelerating from Constant Speed
Street (Left) Side
Run # Measured Noise Level dB(A) Run # Measured Noise Level dB(A)
1 76.5 1 78.6
2 75.3 2 79.1
3 75.6 3 79.1
4 75.4 4 79.4
5 75.9 5 79.2
Average of two highest actual noise levels = 76.2 dB(A) Average of two highest actual noise levels = 79.3 dB(A)