05-jan-12 00:15:48 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 40.08 hours . Total airflow this filter = 11.75 cubic meters . Mean BC concentration of all lamps = 51 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .751 sen(zero) = 0.021 . ref(beam) = 2.243 ref(zero) = 0.021 . Optical attenuation of filter deposit = 47 . Total aerosol black carbon on filter = 601 ng Mean aerosol black carbon concentration = 51 ng/m3 --- The reference beam showed lamp intensity fluctuations of 52 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.340 sen(zero) = 0.021 . ref(beam) = 2.450 ref(zero) = 0.021 . Optical attenuation of filter deposit = 38 . Total aerosol black carbon on filter = 614 ng Mean aerosol black carbon concentration = 52 ng/m3 --- The reference beam showed lamp intensity fluctuations of 44 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .933 sen(zero) = 0.021 . ref(beam) = 2.516 ref(zero) = 0.021 . Optical attenuation of filter deposit = 33 . Total aerosol black carbon on filter = 597 ng Mean aerosol black carbon concentration = 50 ng/m3 --- The reference beam showed lamp intensity fluctuations of 40 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.365 sen(zero) = 0.021 . ref(beam) = 1.291 ref(zero) = 0.021 . Optical attenuation of filter deposit = 29 . Total aerosol black carbon on filter = 602 ng Mean aerosol black carbon concentration = 51 ng/m3 --- The reference beam showed lamp intensity fluctuations of 128 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.760 sen(zero) = 0.021 . ref(beam) = 2.475 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 615 ng Mean aerosol black carbon concentration = 52 ng/m3 --- The reference beam showed lamp intensity fluctuations of 82 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.836 sen(zero) = 0.021 . ref(beam) = 3.657 ref(zero) = 0.021 . Optical attenuation of filter deposit = 20 . Total aerosol black carbon on filter = 621 ng Mean aerosol black carbon concentration = 53 ng/m3 --- The reference beam showed lamp intensity fluctuations of 87 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.460 sen(zero) = 0.021 . ref(beam) = 4.710 ref(zero) = 0.021 . Optical attenuation of filter deposit = 18 . Total aerosol black carbon on filter = 598 ng Mean aerosol black carbon concentration = 51 ng/m3 --- The reference beam showed lamp intensity fluctuations of 89 ppm. --- Disk space = 1.375744E+07 bytes free: One entry at every 5 minutes. There is space for 2925 hours ( 122 days) more data --- Disk space = 3.071437E+07 bytes free: One entry at every 5 minutes. There is space for 6529 hours ( 272 days) more data --- 05-jan-12 23:22:50 Tape feeder mechanism advancing for 1 spot(s). --- 05-jan-12 23:26:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 05-jan-12 23:34:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.320 ref(beam) = 2.182 . Lamp 2 (470 nm): sen(beam) = 2.131 ref(beam) = 2.414 . Lamp 3 (520 nm): sen(beam) = 1.418 ref(beam) = 2.466 . Lamp 4 (590 nm): sen(beam) = 1.918 ref(beam) = 1.243 . Lamp 5 (660 nm): sen(beam) = 2.485 ref(beam) = 2.425 . Lamp 6 (880 nm): sen(beam) = 2.357 ref(beam) = 3.537 . Lamp 7 (950 nm): sen(beam) = 1.840 ref(beam) = 4.597 ---