09-sep-11  21:19:54    SERIOUS INSTRUMENT PROBLEM !!!
Reference beam OK, Sensing beam low on lamp 3
Tape Advance mechanism problem
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09-sep-11  21:19:55  Measurements ended
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.                   Number of lamps (L) = 7
.                   Filter running time = 59.33 hours
.             Total airflow this filter = 17.54 cubic meters
.    Mean BC concentration of all lamps = 32 ng/vm3
.
Report for lamp 1 (370 nm):
. Ending voltages: sen(beam) =    .132  sen(zero) =   0.021
.                  ref(beam) =   1.512  ref(zero) =   0.020
. Optical attenuation of filter deposit = 42
.  Total aerosol black carbon on filter = 534 ng
Mean aerosol black carbon concentration = 30 ng/vm3
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The reference beam showed lamp intensity fluctuations of 79 ppm.
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Report for lamp 2 (470 nm):
. Ending voltages: sen(beam) =    .695  sen(zero) =   0.021
.                  ref(beam) =   1.677  ref(zero) =   0.020
. Optical attenuation of filter deposit = 33
.  Total aerosol black carbon on filter = 537 ng
Mean aerosol black carbon concentration = 30 ng/vm3
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The reference beam showed lamp intensity fluctuations of 25 ppm.
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Report for lamp 3 (520 nm):
. Ending voltages: sen(beam) =    .121  sen(zero) =   0.021
.                  ref(beam) =   2.108  ref(zero) =   0.020
. Optical attenuation of filter deposit = 30
.  Total aerosol black carbon on filter = 535 ng
Mean aerosol black carbon concentration = 30 ng/vm3
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The reference beam showed lamp intensity fluctuations of 22 ppm.
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Report for lamp 4 (590 nm):
. Ending voltages: sen(beam) =    .176  sen(zero) =   0.021
.                  ref(beam) =   3.226  ref(zero) =   0.020
. Optical attenuation of filter deposit = 27
.  Total aerosol black carbon on filter = 560 ng
Mean aerosol black carbon concentration = 32 ng/vm3
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The reference beam showed lamp intensity fluctuations of 76 ppm.
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Report for lamp 5 (660 nm):
. Ending voltages: sen(beam) =   1.113  sen(zero) =   0.021
.                  ref(beam) =   2.403  ref(zero) =   0.020
. Optical attenuation of filter deposit = 25
.  Total aerosol black carbon on filter = 583 ng
Mean aerosol black carbon concentration = 33 ng/vm3
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The reference beam showed lamp intensity fluctuations of 37 ppm.
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Report for lamp 6 (880 nm):
. Ending voltages: sen(beam) =    .346  sen(zero) =   0.021
.                  ref(beam) =   2.579  ref(zero) =   0.020
. Optical attenuation of filter deposit = 19
.  Total aerosol black carbon on filter = 594 ng
Mean aerosol black carbon concentration = 33 ng/vm3
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The reference beam showed lamp intensity fluctuations of 54 ppm.
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Report for lamp 7 (950 nm):
. Ending voltages: sen(beam) =    .635  sen(zero) =   0.021
.                  ref(beam) =   2.517  ref(zero) =   0.020
. Optical attenuation of filter deposit = 17
.  Total aerosol black carbon on filter = 583 ng
Mean aerosol black carbon concentration = 33 ng/vm3
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The reference beam showed lamp intensity fluctuations of 58 ppm.
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Disk space = 2.514534E+08 bytes free: One entry at every 5 minutes.
There is space for 53455 hours ( 2227 days) more data
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Disk space = 2.511585E+08 bytes free: One entry at every 5 minutes.
There is space for 53393 hours ( 2225 days) more data
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09-sep-11  21:36:59  Tape feeder mechanism advancing for 1 spot(s).

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09-sep-11  21:40:37  
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Automatic re-start
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MAGEE SCIEN.
AETHALOMETER
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Aethalometer No. 774
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09-sep-11  21:44:56  Measurements started
Starting voltages:
.           sen(zero) =   0.021 ref(zero) =   0.020
.  Lamp 1 (370 nm): sen(beam) =    .204 ref(beam) =   1.206
.  Lamp 2 (470 nm): sen(beam) =    .695 ref(beam) =   1.554
.  Lamp 3 (520 nm): sen(beam) =    .363 ref(beam) =   1.880
.  Lamp 4 (590 nm): sen(beam) =    .291 ref(beam) =   3.063
.  Lamp 5 (660 nm): sen(beam) =    .954 ref(beam) =   2.435
.  Lamp 6 (880 nm): sen(beam) =    .168 ref(beam) =   2.443
.  Lamp 7 (950 nm): sen(beam) =    .278 ref(beam) =   2.446

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