PHOENIX

COACH & EQUIPMENT

Exterior Noise Test

Accelerating from Standstill

Date	:	1994-11-30
Personnel	:	R.L. & R.H.
Temperature (°F)	:	40	Humidity (%)	:	60
Wind Speed (mph)	:	9	Wind Direction	:	NW
Barometric Pressure (in.Hg)	:	30.15
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 R.L.
Initial Sound Level Meter Calibration: true checked by R.L.
Exterior Ambient Noise Level dB(A): 48.9

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	74.6	1	73.3
2	74.7	2	73.4
3	74.3	3	73.0
4	75.0	4	73.3
5	74.8	5	73.0
Average of two highest actual noise levels = 74.9 dB(A)		Average of two highest actual noise levels = 73.4 dB(A)

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Noise

Glossary
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