2008
Freedom Motors
|
Date | : | 2009-04-09 | |||
Personnel | : | C.S., T.S. & S.C. | |||
Temperature (°F) | : | 51 | Humidity (%) | : | 26 |
Wind Speed (mph) | : | 10 | Wind Direction | : | W |
Barometric Pressure (in.Hg) | : | 29.85 | |||
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: true checked by S.C. | |||||
Exterior Ambient Noise Level dB(A): 40.2 |
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 | 68.8 | 1 | 67.8 |
2 | 69.4 | 2 | 67.5 |
3 | 69.9 | 3 | 68.3 |
4 | 68.7 | 4 | 68.9 |
5 | 69.3 | 5 | 68.0 |
Average of two highest actual noise levels = 69.7 dB(A) | Average of two highest actual noise levels = 68.6 dB(A) |
Final Sound Level Meter Calibration Check: true checked by S.C. |
Comments: <p>None noted.</p> |
General
Check-In
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