30-jan-12 18:47:21 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 47.58 hours . Total airflow this filter = 13.95 cubic meters . Mean BC concentration of all lamps = 76 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .623 sen(zero) = 0.021 . ref(beam) = 2.254 ref(zero) = 0.021 . Optical attenuation of filter deposit = 77 . Total aerosol black carbon on filter = 977 ng Mean aerosol black carbon concentration = 70 ng/m3 --- The reference beam showed lamp intensity fluctuations of 40 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.141 sen(zero) = 0.021 . ref(beam) = 2.457 ref(zero) = 0.021 . Optical attenuation of filter deposit = 64 . Total aerosol black carbon on filter = 1036 ng Mean aerosol black carbon concentration = 74 ng/m3 --- The reference beam showed lamp intensity fluctuations of 33 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .803 sen(zero) = 0.021 . ref(beam) = 2.495 ref(zero) = 0.021 . Optical attenuation of filter deposit = 58 . Total aerosol black carbon on filter = 1032 ng Mean aerosol black carbon concentration = 74 ng/m3 --- The reference beam showed lamp intensity fluctuations of 32 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.195 sen(zero) = 0.021 . ref(beam) = 1.303 ref(zero) = 0.021 . Optical attenuation of filter deposit = 52 . Total aerosol black carbon on filter = 1058 ng Mean aerosol black carbon concentration = 76 ng/m3 --- The reference beam showed lamp intensity fluctuations of 129 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.579 sen(zero) = 0.021 . ref(beam) = 2.504 ref(zero) = 0.021 . Optical attenuation of filter deposit = 48 . Total aerosol black carbon on filter = 1090 ng Mean aerosol black carbon concentration = 78 ng/m3 --- The reference beam showed lamp intensity fluctuations of 79 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.656 sen(zero) = 0.021 . ref(beam) = 3.640 ref(zero) = 0.021 . Optical attenuation of filter deposit = 38 . Total aerosol black carbon on filter = 1146 ng Mean aerosol black carbon concentration = 82 ng/m3 --- The reference beam showed lamp intensity fluctuations of 88 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.349 sen(zero) = 0.021 . ref(beam) = 4.787 ref(zero) = 0.021 . Optical attenuation of filter deposit = 34 . Total aerosol black carbon on filter = 1112 ng Mean aerosol black carbon concentration = 79 ng/m3 --- The reference beam showed lamp intensity fluctuations of 85 ppm. --- Disk space = 2.818202E+07 bytes free: One entry at every 5 minutes. There is space for 5991 hours ( 250 days) more data --- Disk space = 2.79552E+07 bytes free: One entry at every 5 minutes. There is space for 5943 hours ( 248 days) more data --- 30-jan-12 19:40:23 Tape feeder mechanism advancing for 1 spot(s). --- 30-jan-12 19:46:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 30-jan-12 19:54:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = .893 ref(beam) = 2.262 . Lamp 2 (470 nm): sen(beam) = 1.520 ref(beam) = 2.461 . Lamp 3 (520 nm): sen(beam) = 1.033 ref(beam) = 2.516 . Lamp 4 (590 nm): sen(beam) = 1.485 ref(beam) = 1.297 . Lamp 5 (660 nm): sen(beam) = 1.891 ref(beam) = 2.501 . Lamp 6 (880 nm): sen(beam) = 1.970 ref(beam) = 3.660 . Lamp 7 (950 nm): sen(beam) = 1.548 ref(beam) = 4.775 ---