============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 13-sep-17 00:29:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.633 ref(beam) = 2.181 . Lamp 2 (470 nm): sen(beam) = 1.343 ref(beam) = 2.417 . Lamp 3 (520 nm): sen(beam) = 1.655 ref(beam) = 1.650 . Lamp 4 (590 nm): sen(beam) = 1.048 ref(beam) = 2.007 . Lamp 5 (660 nm): sen(beam) = .443 ref(beam) = .838 . Lamp 6 (880 nm): sen(beam) = .714 ref(beam) = 1.048 . Lamp 7 (950 nm): sen(beam) = 1.183 ref(beam) = 1.081 --- 13-sep-17 03:25:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 2.91 hours . Total airflow this filter = .34 cubic meters . Mean BC concentration of all lamps = 2243 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .720 sen(zero) = 0.021 . ref(beam) = 2.190 ref(zero) = 0.021 . Optical attenuation of filter deposit = 76 . Total aerosol black carbon on filter = 971 ng Mean aerosol black carbon concentration = 2936 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 318 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .778 sen(zero) = 0.021 . ref(beam) = 2.417 ref(zero) = 0.021 . Optical attenuation of filter deposit = 50 . Total aerosol black carbon on filter = 818 ng Mean aerosol black carbon concentration = 2475 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 211 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.057 sen(zero) = 0.021 . ref(beam) = 1.647 ref(zero) = 0.021 . Optical attenuation of filter deposit = 41 . Total aerosol black carbon on filter = 738 ng Mean aerosol black carbon concentration = 2232 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 219 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .736 sen(zero) = 0.021 . ref(beam) = 2.051 ref(zero) = 0.021 . Optical attenuation of filter deposit = 35 . Total aerosol black carbon on filter = 715 ng Mean aerosol black carbon concentration = 2162 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 580 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .321 sen(zero) = 0.021 . ref(beam) = .838 ref(zero) = 0.021 . Optical attenuation of filter deposit = 31 . Total aerosol black carbon on filter = 705 ng Mean aerosol black carbon concentration = 2132 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 312 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .572 sen(zero) = 0.021 . ref(beam) = 1.049 ref(zero) = 0.021 . Optical attenuation of filter deposit = 21 . Total aerosol black carbon on filter = 643 ng Mean aerosol black carbon concentration = 1944 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 457 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .975 sen(zero) = 0.021 . ref(beam) = 1.084 ref(zero) = 0.021 . Optical attenuation of filter deposit = 18 . Total aerosol black carbon on filter = 602 ng Mean aerosol black carbon concentration = 1822 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 489 ppm. --- Disk space = 2.531041E+08 bytes free: One entry at every 10 minutes. There is space for 107612 hours ( 4484 days) more data --- 13-sep-17 03:25:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 13-sep-17 03:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.567 ref(beam) = 2.122 . Lamp 2 (470 nm): sen(beam) = 1.310 ref(beam) = 2.359 . Lamp 3 (520 nm): sen(beam) = 1.623 ref(beam) = 1.602 . Lamp 4 (590 nm): sen(beam) = 1.021 ref(beam) = 1.929 . Lamp 5 (660 nm): sen(beam) = .434 ref(beam) = .817 . Lamp 6 (880 nm): sen(beam) = .696 ref(beam) = 1.013 . Lamp 7 (950 nm): sen(beam) = 1.155 ref(beam) = 1.046 --- 13-sep-17 06:05:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 2.25 hours . Total airflow this filter = .26 cubic meters . Mean BC concentration of all lamps = 2765 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .650 sen(zero) = 0.021 . ref(beam) = 2.138 ref(zero) = 0.021 . Optical attenuation of filter deposit = 78 . Total aerosol black carbon on filter = 997 ng Mean aerosol black carbon concentration = 3921 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 70 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .758 sen(zero) = 0.021 . ref(beam) = 2.362 ref(zero) = 0.021 . Optical attenuation of filter deposit = 49 . Total aerosol black carbon on filter = 794 ng Mean aerosol black carbon concentration = 3121 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 30 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.051 sen(zero) = 0.021 . ref(beam) = 1.601 ref(zero) = 0.021 . Optical attenuation of filter deposit = 39 . Total aerosol black carbon on filter = 697 ng Mean aerosol black carbon concentration = 2739 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 48 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .738 sen(zero) = 0.021 . ref(beam) = 1.994 ref(zero) = 0.021 . Optical attenuation of filter deposit = 32 . Total aerosol black carbon on filter = 663 ng Mean aerosol black carbon concentration = 2607 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 136 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .321 sen(zero) = 0.021 . ref(beam) = .820 ref(zero) = 0.021 . Optical attenuation of filter deposit = 28 . Total aerosol black carbon on filter = 646 ng Mean aerosol black carbon concentration = 2540 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 36 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .570 sen(zero) = 0.021 . ref(beam) = 1.021 ref(zero) = 0.021 . Optical attenuation of filter deposit = 19 . Total aerosol black carbon on filter = 580 ng Mean aerosol black carbon concentration = 2281 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 107 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .972 sen(zero) = 0.021 . ref(beam) = 1.057 ref(zero) = 0.021 . Optical attenuation of filter deposit = 16 . Total aerosol black carbon on filter = 545 ng Mean aerosol black carbon concentration = 2144 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 82 ppm. --- Disk space = 2.530918E+08 bytes free: One entry at every 10 minutes. There is space for 107607 hours ( 4484 days) more data --- 13-sep-17 06:05:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 13-sep-17 06:29:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.523 ref(beam) = 2.117 . Lamp 2 (470 nm): sen(beam) = 1.275 ref(beam) = 2.350 . Lamp 3 (520 nm): sen(beam) = 1.581 ref(beam) = 1.593 . Lamp 4 (590 nm): sen(beam) = .994 ref(beam) = 1.934 . Lamp 5 (660 nm): sen(beam) = .422 ref(beam) = .812 . Lamp 6 (880 nm): sen(beam) = .679 ref(beam) = 1.007 . Lamp 7 (950 nm): sen(beam) = 1.130 ref(beam) = 1.035 --- 13-sep-17 08:15:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 1.75 hours . Total airflow this filter = .2 cubic meters . Mean BC concentration of all lamps = 3621 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .623 sen(zero) = 0.021 . ref(beam) = 2.135 ref(zero) = 0.021 . Optical attenuation of filter deposit = 78 . Total aerosol black carbon on filter = 996 ng Mean aerosol black carbon concentration = 5132 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 150 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .729 sen(zero) = 0.021 . ref(beam) = 2.353 ref(zero) = 0.021 . Optical attenuation of filter deposit = 49 . Total aerosol black carbon on filter = 798 ng Mean aerosol black carbon concentration = 4116 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 118 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.016 sen(zero) = 0.021 . ref(beam) = 1.592 ref(zero) = 0.021 . Optical attenuation of filter deposit = 39 . Total aerosol black carbon on filter = 697 ng Mean aerosol black carbon concentration = 3594 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 143 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .717 sen(zero) = 0.021 . ref(beam) = 2.004 ref(zero) = 0.021 . Optical attenuation of filter deposit = 32 . Total aerosol black carbon on filter = 661 ng Mean aerosol black carbon concentration = 3408 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 294 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .312 sen(zero) = 0.021 . ref(beam) = .815 ref(zero) = 0.021 . Optical attenuation of filter deposit = 28 . Total aerosol black carbon on filter = 645 ng Mean aerosol black carbon concentration = 3326 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 217 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .556 sen(zero) = 0.021 . ref(beam) = 1.015 ref(zero) = 0.021 . Optical attenuation of filter deposit = 19 . Total aerosol black carbon on filter = 577 ng Mean aerosol black carbon concentration = 2976 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 199 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .950 sen(zero) = 0.021 . ref(beam) = 1.046 ref(zero) = 0.021 . Optical attenuation of filter deposit = 16 . Total aerosol black carbon on filter = 542 ng Mean aerosol black carbon concentration = 2794 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 241 ppm. --- Disk space = 2.530836E+08 bytes free: One entry at every 10 minutes. There is space for 107604 hours ( 4484 days) more data --- 13-sep-17 08:15:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 13-sep-17 08:39:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.526 ref(beam) = 2.165 . Lamp 2 (470 nm): sen(beam) = 1.273 ref(beam) = 2.380 . Lamp 3 (520 nm): sen(beam) = 1.586 ref(beam) = 1.637 . Lamp 4 (590 nm): sen(beam) = 1.001 ref(beam) = 1.981 . Lamp 5 (660 nm): sen(beam) = .422 ref(beam) = .820 . Lamp 6 (880 nm): sen(beam) = .684 ref(beam) = 1.032 . Lamp 7 (950 nm): sen(beam) = 1.135 ref(beam) = 1.058 --- 13-sep-17 10:55:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 2.25 hours . Total airflow this filter = .26 cubic meters . Mean BC concentration of all lamps = 3164 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .634 sen(zero) = 0.021 . ref(beam) = 2.187 ref(zero) = 0.021 . Optical attenuation of filter deposit = 78 . Total aerosol black carbon on filter = 990 ng Mean aerosol black carbon concentration = 3912 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 542 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .690 sen(zero) = 0.021 . ref(beam) = 2.384 ref(zero) = 0.021 . Optical attenuation of filter deposit = 54 . Total aerosol black carbon on filter = 882 ng Mean aerosol black carbon concentration = 3486 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 543 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .957 sen(zero) = 0.021 . ref(beam) = 1.637 ref(zero) = 0.021 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 804 ng Mean aerosol black carbon concentration = 3177 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 570 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .682 sen(zero) = 0.021 . ref(beam) = 2.064 ref(zero) = 0.021 . Optical attenuation of filter deposit = 38 . Total aerosol black carbon on filter = 781 ng Mean aerosol black carbon concentration = 3084 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 727 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .295 sen(zero) = 0.021 . ref(beam) = .825 ref(zero) = 0.021 . Optical attenuation of filter deposit = 34 . Total aerosol black carbon on filter = 773 ng Mean aerosol black carbon concentration = 3054 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 644 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .536 sen(zero) = 0.021 . ref(beam) = 1.042 ref(zero) = 0.021 . Optical attenuation of filter deposit = 23 . Total aerosol black carbon on filter = 708 ng Mean aerosol black carbon concentration = 2796 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 682 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .919 sen(zero) = 0.021 . ref(beam) = 1.072 ref(zero) = 0.021 . Optical attenuation of filter deposit = 20 . Total aerosol black carbon on filter = 668 ng Mean aerosol black carbon concentration = 2639 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 621 ppm. --- Disk space = 2.530755E+08 bytes free: One entry at every 10 minutes. There is space for 107600 hours ( 4483 days) more data --- 13-sep-17 10:55:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 13-sep-17 11:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.554 ref(beam) = 2.159 . Lamp 2 (470 nm): sen(beam) = 1.284 ref(beam) = 2.371 . Lamp 3 (520 nm): sen(beam) = 1.599 ref(beam) = 1.615 . Lamp 4 (590 nm): sen(beam) = 1.014 ref(beam) = 1.974 . Lamp 5 (660 nm): sen(beam) = .424 ref(beam) = .821 . Lamp 6 (880 nm): sen(beam) = .688 ref(beam) = 1.023 . Lamp 7 (950 nm): sen(beam) = 1.146 ref(beam) = 1.053 --- 13-sep-17 13:55:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 2.58 hours . Total airflow this filter = .29 cubic meters . Mean BC concentration of all lamps = 2915 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .644 sen(zero) = 0.021 . ref(beam) = 2.170 ref(zero) = 0.021 . Optical attenuation of filter deposit = 78 . Total aerosol black carbon on filter = 990 ng Mean aerosol black carbon concentration = 3418 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 723 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .680 sen(zero) = 0.021 . ref(beam) = 2.372 ref(zero) = 0.021 . Optical attenuation of filter deposit = 57 . Total aerosol black carbon on filter = 916 ng Mean aerosol black carbon concentration = 3164 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 785 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .937 sen(zero) = 0.021 . ref(beam) = 1.612 ref(zero) = 0.021 . Optical attenuation of filter deposit = 47 . Total aerosol black carbon on filter = 849 ng Mean aerosol black carbon concentration = 2931 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 797 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .661 sen(zero) = 0.021 . ref(beam) = 2.025 ref(zero) = 0.021 . Optical attenuation of filter deposit = 41 . Total aerosol black carbon on filter = 835 ng Mean aerosol black carbon concentration = 2883 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 955 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .287 sen(zero) = 0.021 . ref(beam) = .821 ref(zero) = 0.021 . Optical attenuation of filter deposit = 36 . Total aerosol black carbon on filter = 832 ng Mean aerosol black carbon concentration = 2872 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 944 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .524 sen(zero) = 0.021 . ref(beam) = 1.026 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 766 ng Mean aerosol black carbon concentration = 2644 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 912 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .904 sen(zero) = 0.021 . ref(beam) = 1.058 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 723 ng Mean aerosol black carbon concentration = 2495 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 774 ppm. --- Disk space = 2.530632E+08 bytes free: One entry at every 10 minutes. There is space for 107595 hours ( 4483 days) more data --- 13-sep-17 13:55:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 13-sep-17 14:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.593 ref(beam) = 2.116 . Lamp 2 (470 nm): sen(beam) = 1.303 ref(beam) = 2.353 . Lamp 3 (520 nm): sen(beam) = 1.613 ref(beam) = 1.618 . Lamp 4 (590 nm): sen(beam) = 1.013 ref(beam) = 1.964 . Lamp 5 (660 nm): sen(beam) = .425 ref(beam) = .814 . Lamp 6 (880 nm): sen(beam) = .689 ref(beam) = 1.025 . Lamp 7 (950 nm): sen(beam) = 1.146 ref(beam) = 1.051 --- 13-sep-17 17:35:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 3.24 hours . Total airflow this filter = .37 cubic meters . Mean BC concentration of all lamps = 2331 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .709 sen(zero) = 0.021 . ref(beam) = 2.122 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 950 ng Mean aerosol black carbon concentration = 2603 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1357 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .707 sen(zero) = 0.021 . ref(beam) = 2.348 ref(zero) = 0.021 . Optical attenuation of filter deposit = 56 . Total aerosol black carbon on filter = 912 ng Mean aerosol black carbon concentration = 2499 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1261 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .956 sen(zero) = 0.021 . ref(beam) = 1.610 ref(zero) = 0.021 . Optical attenuation of filter deposit = 48 . Total aerosol black carbon on filter = 856 ng Mean aerosol black carbon concentration = 2347 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1088 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .662 sen(zero) = 0.021 . ref(beam) = 2.000 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 848 ng Mean aerosol black carbon concentration = 2325 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1749 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .288 sen(zero) = 0.021 . ref(beam) = .810 ref(zero) = 0.021 . Optical attenuation of filter deposit = 37 . Total aerosol black carbon on filter = 850 ng Mean aerosol black carbon concentration = 2331 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1421 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .523 sen(zero) = 0.021 . ref(beam) = 1.023 ref(zero) = 0.021 . Optical attenuation of filter deposit = 26 . Total aerosol black carbon on filter = 791 ng Mean aerosol black carbon concentration = 2167 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1436 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .899 sen(zero) = 0.021 . ref(beam) = 1.051 ref(zero) = 0.021 . Optical attenuation of filter deposit = 23 . Total aerosol black carbon on filter = 746 ng Mean aerosol black carbon concentration = 2046 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1132 ppm. --- Disk space = 2.53055E+08 bytes free: One entry at every 10 minutes. There is space for 107591 hours ( 4483 days) more data --- 13-sep-17 17:35:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 13-sep-17 17:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.585 ref(beam) = 2.087 . Lamp 2 (470 nm): sen(beam) = 1.311 ref(beam) = 2.310 . Lamp 3 (520 nm): sen(beam) = 1.624 ref(beam) = 1.591 . Lamp 4 (590 nm): sen(beam) = 1.011 ref(beam) = 1.914 . Lamp 5 (660 nm): sen(beam) = .428 ref(beam) = .796 . Lamp 6 (880 nm): sen(beam) = .693 ref(beam) = 1.002 . Lamp 7 (950 nm): sen(beam) = 1.151 ref(beam) = 1.026 --- 13-sep-17 21:25:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 3.41 hours . Total airflow this filter = .39 cubic meters . Mean BC concentration of all lamps = 2030 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .698 sen(zero) = 0.021 . ref(beam) = 2.118 ref(zero) = 0.021 . Optical attenuation of filter deposit = 78 . Total aerosol black carbon on filter = 995 ng Mean aerosol black carbon concentration = 2555 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 793 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .742 sen(zero) = 0.021 . ref(beam) = 2.319 ref(zero) = 0.021 . Optical attenuation of filter deposit = 53 . Total aerosol black carbon on filter = 866 ng Mean aerosol black carbon concentration = 2224 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 805 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.012 sen(zero) = 0.021 . ref(beam) = 1.594 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 791 ng Mean aerosol black carbon concentration = 2031 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 931 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .712 sen(zero) = 0.021 . ref(beam) = 2.014 ref(zero) = 0.021 . Optical attenuation of filter deposit = 38 . Total aerosol black carbon on filter = 768 ng Mean aerosol black carbon concentration = 1972 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1055 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .306 sen(zero) = 0.021 . ref(beam) = .803 ref(zero) = 0.021 . Optical attenuation of filter deposit = 33 . Total aerosol black carbon on filter = 761 ng Mean aerosol black carbon concentration = 1954 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1021 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .552 sen(zero) = 0.021 . ref(beam) = 1.016 ref(zero) = 0.021 . Optical attenuation of filter deposit = 23 . Total aerosol black carbon on filter = 696 ng Mean aerosol black carbon concentration = 1787 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1075 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .946 sen(zero) = 0.021 . ref(beam) = 1.044 ref(zero) = 0.021 . Optical attenuation of filter deposit = 20 . Total aerosol black carbon on filter = 657 ng Mean aerosol black carbon concentration = 1688 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1285 ppm. --- Disk space = 2.530427E+08 bytes free: One entry at every 10 minutes. There is space for 107586 hours ( 4483 days) more data --- 13-sep-17 21:25:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 13-sep-17 21:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.533 ref(beam) = 2.150 . Lamp 2 (470 nm): sen(beam) = 1.282 ref(beam) = 2.366 . Lamp 3 (520 nm): sen(beam) = 1.595 ref(beam) = 1.627 . Lamp 4 (590 nm): sen(beam) = 1.009 ref(beam) = 1.986 . Lamp 5 (660 nm): sen(beam) = .422 ref(beam) = .817 . Lamp 6 (880 nm): sen(beam) = .689 ref(beam) = 1.028 . Lamp 7 (950 nm): sen(beam) = 1.138 ref(beam) = 1.053 --- 13-sep-17 23:25:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 1.58 hours . Total airflow this filter = .18 cubic meters . Mean BC concentration of all lamps = 3838 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .615 sen(zero) = 0.021 . ref(beam) = 2.167 ref(zero) = 0.021 . Optical attenuation of filter deposit = 82 . Total aerosol black carbon on filter = 1045 ng Mean aerosol black carbon concentration = 5985 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 608 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .755 sen(zero) = 0.021 . ref(beam) = 2.368 ref(zero) = 0.021 . Optical attenuation of filter deposit = 47 . Total aerosol black carbon on filter = 769 ng Mean aerosol black carbon concentration = 4404 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 604 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.057 sen(zero) = 0.021 . ref(beam) = 1.626 ref(zero) = 0.021 . Optical attenuation of filter deposit = 37 . Total aerosol black carbon on filter = 658 ng Mean aerosol black carbon concentration = 3770 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 612 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .751 sen(zero) = 0.021 . ref(beam) = 2.061 ref(zero) = 0.021 . Optical attenuation of filter deposit = 30 . Total aerosol black carbon on filter = 614 ng Mean aerosol black carbon concentration = 3517 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 457 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .321 sen(zero) = 0.021 . ref(beam) = .821 ref(zero) = 0.021 . Optical attenuation of filter deposit = 26 . Total aerosol black carbon on filter = 595 ng Mean aerosol black carbon concentration = 3406 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 582 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .577 sen(zero) = 0.021 . ref(beam) = 1.038 ref(zero) = 0.021 . Optical attenuation of filter deposit = 17 . Total aerosol black carbon on filter = 521 ng Mean aerosol black carbon concentration = 2986 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 447 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .977 sen(zero) = 0.021 . ref(beam) = 1.066 ref(zero) = 0.021 . Optical attenuation of filter deposit = 15 . Total aerosol black carbon on filter = 489 ng Mean aerosol black carbon concentration = 2802 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 549 ppm. --- Disk space = 2.530304E+08 bytes free: One entry at every 10 minutes. There is space for 107581 hours ( 4483 days) more data --- 13-sep-17 23:25:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 13-sep-17 23:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.336 ref(beam) = 2.111 . Lamp 2 (470 nm): sen(beam) = 1.202 ref(beam) = 2.332 . Lamp 3 (520 nm): sen(beam) = 1.526 ref(beam) = 1.615 . Lamp 4 (590 nm): sen(beam) = .982 ref(beam) = 1.976 . Lamp 5 (660 nm): sen(beam) = .412 ref(beam) = .807 . Lamp 6 (880 nm): sen(beam) = .681 ref(beam) = 1.025 . Lamp 7 (950 nm): sen(beam) = 1.135 ref(beam) = 1.048 ---