21-dec-11  10:00:00  Measurements ended
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.                   Number of lamps (L) = 7
.                   Filter running time = 371 hours
.             Total airflow this filter = 182.02 cubic meters
.    Mean BC concentration of all lamps = 19 ng/m3
.
Report for lamp 1 (370 nm):
. Ending voltages: sen(beam) =    .330  sen(zero) =   0.021
.                  ref(beam) =    .888  ref(zero) =   0.021
. Optical attenuation of filter deposit = 103
.  Total aerosol black carbon on filter = 4343 ng
Mean aerosol black carbon concentration = 23 ng/m3
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The reference beam showed lamp intensity fluctuations of 71 ppm.
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Report for lamp 2 (470 nm):
. Ending voltages: sen(beam) =   1.750  sen(zero) =   0.021
.                  ref(beam) =   2.624  ref(zero) =   0.021
. Optical attenuation of filter deposit = 78
.  Total aerosol black carbon on filter = 4194 ng
Mean aerosol black carbon concentration = 23 ng/m3
---
The reference beam showed lamp intensity fluctuations of 22 ppm.
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Report for lamp 3 (520 nm):
. Ending voltages: sen(beam) =   1.363  sen(zero) =   0.021
.                  ref(beam) =   1.616  ref(zero) =   0.021
. Optical attenuation of filter deposit = 42
.  Total aerosol black carbon on filter = 2490 ng
Mean aerosol black carbon concentration = 13 ng/m3
---
The reference beam showed lamp intensity fluctuations of 49 ppm.
---
Report for lamp 4 (590 nm):
. Ending voltages: sen(beam) =   2.516  sen(zero) =   0.021
.                  ref(beam) =   2.557  ref(zero) =   0.021
. Optical attenuation of filter deposit = 54
.  Total aerosol black carbon on filter = 3668 ng
Mean aerosol black carbon concentration = 20 ng/m3
---
The reference beam showed lamp intensity fluctuations of 674 ppm.
---
Report for lamp 5 (660 nm):
. Ending voltages: sen(beam) =   1.456  sen(zero) =   0.021
.                  ref(beam) =   2.092  ref(zero) =   0.021
. Optical attenuation of filter deposit = 49
.  Total aerosol black carbon on filter = 3695 ng
Mean aerosol black carbon concentration = 20 ng/m3
---
The reference beam showed lamp intensity fluctuations of 367 ppm.
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Report for lamp 6 (880 nm):
. Ending voltages: sen(beam) =    .819  sen(zero) =   0.021
.                  ref(beam) =   1.317  ref(zero) =   0.021
. Optical attenuation of filter deposit = 33
.  Total aerosol black carbon on filter = 3328 ng
Mean aerosol black carbon concentration = 18 ng/m3
---
The reference beam showed lamp intensity fluctuations of 418 ppm.
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Report for lamp 7 (950 nm):
. Ending voltages: sen(beam) =   1.576  sen(zero) =   0.021
.                  ref(beam) =   2.250  ref(zero) =   0.021
. Optical attenuation of filter deposit = 30
.  Total aerosol black carbon on filter = 3337 ng
Mean aerosol black carbon concentration = 18 ng/m3
---
The reference beam showed lamp intensity fluctuations of 392 ppm.
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Disk space = 1129472 bytes free: One entry at every 60 minutes.
There is space for 5945 hours ( 248 days) more data
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21-dec-11  10:00:03  Tape feeder mechanism advancing for 1 spot(s).

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Puget Sound
Clean Air Agency
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Aethalometer No. 371
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21-dec-11  11:09:54  Measurements started
Starting voltages:
.           sen(zero) =   0.021 ref(zero) =   0.021
.  Lamp 1 (370 nm): sen(beam) =    .901 ref(beam) =    .912
.  Lamp 2 (470 nm): sen(beam) =   3.865 ref(beam) =   2.748
.  Lamp 3 (520 nm): sen(beam) =   2.101 ref(beam) =   1.641
.  Lamp 4 (590 nm): sen(beam) =   4.336 ref(beam) =   2.587
.  Lamp 5 (660 nm): sen(beam) =   2.377 ref(beam) =   2.165
.  Lamp 6 (880 nm): sen(beam) =   1.143 ref(beam) =   1.357
.  Lamp 7 (950 nm): sen(beam) =   2.137 ref(beam) =   2.322

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