============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 28-sep-17 00:29:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.594 ref(beam) = 2.035 . Lamp 2 (470 nm): sen(beam) = 1.354 ref(beam) = 2.280 . Lamp 3 (520 nm): sen(beam) = 1.691 ref(beam) = 1.572 . Lamp 4 (590 nm): sen(beam) = 1.054 ref(beam) = 1.912 . Lamp 5 (660 nm): sen(beam) = .446 ref(beam) = .796 . Lamp 6 (880 nm): sen(beam) = .728 ref(beam) = .998 . Lamp 7 (950 nm): sen(beam) = 1.203 ref(beam) = 1.025 --- 28-sep-17 03:15:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 2.75 hours . Total airflow this filter = .31 cubic meters . Mean BC concentration of all lamps = 2662 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .689 sen(zero) = 0.021 . ref(beam) = 2.054 ref(zero) = 0.021 . Optical attenuation of filter deposit = 76 . Total aerosol black carbon on filter = 972 ng Mean aerosol black carbon concentration = 3213 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 80 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .753 sen(zero) = 0.021 . ref(beam) = 2.284 ref(zero) = 0.021 . Optical attenuation of filter deposit = 54 . Total aerosol black carbon on filter = 868 ng Mean aerosol black carbon concentration = 2870 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 35 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.033 sen(zero) = 0.021 . ref(beam) = 1.571 ref(zero) = 0.021 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 804 ng Mean aerosol black carbon concentration = 2657 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 64 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .719 sen(zero) = 0.021 . ref(beam) = 1.982 ref(zero) = 0.021 . Optical attenuation of filter deposit = 39 . Total aerosol black carbon on filter = 789 ng Mean aerosol black carbon concentration = 2607 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 98 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .312 sen(zero) = 0.021 . ref(beam) = .798 ref(zero) = 0.021 . Optical attenuation of filter deposit = 34 . Total aerosol black carbon on filter = 786 ng Mean aerosol black carbon concentration = 2598 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 59 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .568 sen(zero) = 0.021 . ref(beam) = 1.006 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 731 ng Mean aerosol black carbon concentration = 2417 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 76 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .970 sen(zero) = 0.021 . ref(beam) = 1.037 ref(zero) = 0.021 . Optical attenuation of filter deposit = 21 . Total aerosol black carbon on filter = 688 ng Mean aerosol black carbon concentration = 2275 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 71 ppm. --- Disk space = 2.540012E+08 bytes free: One entry at every 10 minutes. There is space for 107994 hours ( 4500 days) more data --- 28-sep-17 03:15:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 28-sep-17 03:39:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.584 ref(beam) = 2.117 . Lamp 2 (470 nm): sen(beam) = 1.339 ref(beam) = 2.347 . Lamp 3 (520 nm): sen(beam) = 1.665 ref(beam) = 1.624 . Lamp 4 (590 nm): sen(beam) = 1.035 ref(beam) = 1.974 . Lamp 5 (660 nm): sen(beam) = .441 ref(beam) = .815 . Lamp 6 (880 nm): sen(beam) = .717 ref(beam) = 1.027 . Lamp 7 (950 nm): sen(beam) = 1.186 ref(beam) = 1.053 --- 28-sep-17 06:55:00 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 = 2300 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .686 sen(zero) = 0.021 . ref(beam) = 2.136 ref(zero) = 0.021 . Optical attenuation of filter deposit = 76 . Total aerosol black carbon on filter = 972 ng Mean aerosol black carbon concentration = 2697 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 63 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .733 sen(zero) = 0.021 . ref(beam) = 2.349 ref(zero) = 0.021 . Optical attenuation of filter deposit = 55 . Total aerosol black carbon on filter = 892 ng Mean aerosol black carbon concentration = 2474 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 36 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.000 sen(zero) = 0.021 . ref(beam) = 1.623 ref(zero) = 0.021 . Optical attenuation of filter deposit = 46 . Total aerosol black carbon on filter = 832 ng Mean aerosol black carbon concentration = 2306 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 40 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .695 sen(zero) = 0.021 . ref(beam) = 2.047 ref(zero) = 0.021 . Optical attenuation of filter deposit = 40 . Total aerosol black carbon on filter = 819 ng Mean aerosol black carbon concentration = 2272 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 92 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .304 sen(zero) = 0.021 . ref(beam) = .817 ref(zero) = 0.021 . Optical attenuation of filter deposit = 36 . Total aerosol black carbon on filter = 815 ng Mean aerosol black carbon concentration = 2260 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 52 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .554 sen(zero) = 0.021 . ref(beam) = 1.036 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 759 ng Mean aerosol black carbon concentration = 2104 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 74 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .948 sen(zero) = 0.021 . ref(beam) = 1.065 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 715 ng Mean aerosol black carbon concentration = 1984 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 61 ppm. --- Disk space = 2.539889E+08 bytes free: One entry at every 10 minutes. There is space for 107988 hours ( 4500 days) more data --- 28-sep-17 06:55:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 28-sep-17 07:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.675 ref(beam) = 2.079 . Lamp 2 (470 nm): sen(beam) = 1.391 ref(beam) = 2.316 . Lamp 3 (520 nm): sen(beam) = 1.723 ref(beam) = 1.601 . Lamp 4 (590 nm): sen(beam) = 1.078 ref(beam) = 1.954 . Lamp 5 (660 nm): sen(beam) = .455 ref(beam) = .806 . Lamp 6 (880 nm): sen(beam) = .739 ref(beam) = 1.018 . Lamp 7 (950 nm): sen(beam) = 1.224 ref(beam) = 1.042 --- 28-sep-17 10:25:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 3.08 hours . Total airflow this filter = .35 cubic meters . Mean BC concentration of all lamps = 2343 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .743 sen(zero) = 0.021 . ref(beam) = 2.103 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 953 ng Mean aerosol black carbon concentration = 2761 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 204 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .777 sen(zero) = 0.021 . ref(beam) = 2.320 ref(zero) = 0.021 . Optical attenuation of filter deposit = 54 . Total aerosol black carbon on filter = 869 ng Mean aerosol black carbon concentration = 2516 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 155 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.055 sen(zero) = 0.021 . ref(beam) = 1.601 ref(zero) = 0.021 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 808 ng Mean aerosol black carbon concentration = 2341 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 179 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .741 sen(zero) = 0.021 . ref(beam) = 2.039 ref(zero) = 0.021 . Optical attenuation of filter deposit = 39 . Total aerosol black carbon on filter = 794 ng Mean aerosol black carbon concentration = 2301 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 301 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .318 sen(zero) = 0.021 . ref(beam) = .810 ref(zero) = 0.021 . Optical attenuation of filter deposit = 35 . Total aerosol black carbon on filter = 794 ng Mean aerosol black carbon concentration = 2299 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 230 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .578 sen(zero) = 0.021 . ref(beam) = 1.030 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 743 ng Mean aerosol black carbon concentration = 2152 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 318 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .989 sen(zero) = 0.021 . ref(beam) = 1.058 ref(zero) = 0.021 . Optical attenuation of filter deposit = 21 . Total aerosol black carbon on filter = 702 ng Mean aerosol black carbon concentration = 2033 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 238 ppm. --- Disk space = 2.539766E+08 bytes free: One entry at every 10 minutes. There is space for 107983 hours ( 4499 days) more data --- 28-sep-17 10:25:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 28-sep-17 10:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.635 ref(beam) = 2.071 . Lamp 2 (470 nm): sen(beam) = 1.356 ref(beam) = 2.304 . Lamp 3 (520 nm): sen(beam) = 1.689 ref(beam) = 1.589 . Lamp 4 (590 nm): sen(beam) = 1.068 ref(beam) = 1.952 . Lamp 5 (660 nm): sen(beam) = .445 ref(beam) = .803 . Lamp 6 (880 nm): sen(beam) = .728 ref(beam) = 1.009 . Lamp 7 (950 nm): sen(beam) = 1.202 ref(beam) = 1.037 --- 28-sep-17 13:55:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 3.08 hours . Total airflow this filter = .35 cubic meters . Mean BC concentration of all lamps = 2631 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .711 sen(zero) = 0.021 . ref(beam) = 2.088 ref(zero) = 0.021 . Optical attenuation of filter deposit = 77 . Total aerosol black carbon on filter = 984 ng Mean aerosol black carbon concentration = 2858 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 545 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .721 sen(zero) = 0.021 . ref(beam) = 2.302 ref(zero) = 0.021 . Optical attenuation of filter deposit = 58 . Total aerosol black carbon on filter = 947 ng Mean aerosol black carbon concentration = 2750 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 599 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .978 sen(zero) = 0.021 . ref(beam) = 1.585 ref(zero) = 0.021 . Optical attenuation of filter deposit = 50 . Total aerosol black carbon on filter = 903 ng Mean aerosol black carbon concentration = 2621 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 580 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .688 sen(zero) = 0.021 . ref(beam) = 2.017 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 904 ng Mean aerosol black carbon concentration = 2625 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 792 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .296 sen(zero) = 0.021 . ref(beam) = .805 ref(zero) = 0.021 . Optical attenuation of filter deposit = 40 . Total aerosol black carbon on filter = 910 ng Mean aerosol black carbon concentration = 2643 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 836 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .543 sen(zero) = 0.021 . ref(beam) = 1.017 ref(zero) = 0.021 . Optical attenuation of filter deposit = 28 . Total aerosol black carbon on filter = 868 ng Mean aerosol black carbon concentration = 2521 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 991 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .929 sen(zero) = 0.021 . ref(beam) = 1.048 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 826 ng Mean aerosol black carbon concentration = 2398 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1024 ppm. --- Disk space = 2.539643E+08 bytes free: One entry at every 10 minutes. There is space for 107978 hours ( 4499 days) more data --- 28-sep-17 13:55:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 28-sep-17 14:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.612 ref(beam) = 2.107 . Lamp 2 (470 nm): sen(beam) = 1.341 ref(beam) = 2.337 . Lamp 3 (520 nm): sen(beam) = 1.664 ref(beam) = 1.608 . Lamp 4 (590 nm): sen(beam) = 1.048 ref(beam) = 1.981 . Lamp 5 (660 nm): sen(beam) = .439 ref(beam) = .814 . Lamp 6 (880 nm): sen(beam) = .719 ref(beam) = 1.022 . Lamp 7 (950 nm): sen(beam) = 1.188 ref(beam) = 1.050 --- 28-sep-17 16:35:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 2.25 hours . Total airflow this filter = .25 cubic meters . Mean BC concentration of all lamps = 3253 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .718 sen(zero) = 0.021 . ref(beam) = 2.127 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 951 ng Mean aerosol black carbon concentration = 3809 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 821 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .747 sen(zero) = 0.021 . ref(beam) = 2.342 ref(zero) = 0.021 . Optical attenuation of filter deposit = 54 . Total aerosol black carbon on filter = 871 ng Mean aerosol black carbon concentration = 3489 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 933 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.014 sen(zero) = 0.021 . ref(beam) = 1.608 ref(zero) = 0.021 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 812 ng Mean aerosol black carbon concentration = 3252 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1000 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .711 sen(zero) = 0.021 . ref(beam) = 2.051 ref(zero) = 0.021 . Optical attenuation of filter deposit = 39 . Total aerosol black carbon on filter = 798 ng Mean aerosol black carbon concentration = 3197 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 760 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .305 sen(zero) = 0.021 . ref(beam) = .816 ref(zero) = 0.021 . Optical attenuation of filter deposit = 35 . Total aerosol black carbon on filter = 797 ng Mean aerosol black carbon concentration = 3193 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 902 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .557 sen(zero) = 0.021 . ref(beam) = 1.029 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 747 ng Mean aerosol black carbon concentration = 2994 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 850 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .950 sen(zero) = 0.021 . ref(beam) = 1.059 ref(zero) = 0.021 . Optical attenuation of filter deposit = 21 . Total aerosol black carbon on filter = 707 ng Mean aerosol black carbon concentration = 2834 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1172 ppm. --- Disk space = 2.539561E+08 bytes free: One entry at every 10 minutes. There is space for 107975 hours ( 4499 days) more data --- 28-sep-17 16:35:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 28-sep-17 16:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.636 ref(beam) = 2.134 . Lamp 2 (470 nm): sen(beam) = 1.369 ref(beam) = 2.356 . Lamp 3 (520 nm): sen(beam) = 1.711 ref(beam) = 1.632 . Lamp 4 (590 nm): sen(beam) = 1.079 ref(beam) = 2.000 . Lamp 5 (660 nm): sen(beam) = .452 ref(beam) = .823 . Lamp 6 (880 nm): sen(beam) = .742 ref(beam) = 1.037 . Lamp 7 (950 nm): sen(beam) = 1.223 ref(beam) = 1.066 --- 28-sep-17 19:55:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 2.91 hours . Total airflow this filter = .33 cubic meters . Mean BC concentration of all lamps = 2300 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .710 sen(zero) = 0.021 . ref(beam) = 2.154 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 956 ng Mean aerosol black carbon concentration = 2907 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 336 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .777 sen(zero) = 0.021 . ref(beam) = 2.359 ref(zero) = 0.021 . Optical attenuation of filter deposit = 51 . Total aerosol black carbon on filter = 828 ng Mean aerosol black carbon concentration = 2519 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 386 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.072 sen(zero) = 0.021 . ref(beam) = 1.631 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 754 ng Mean aerosol black carbon concentration = 2294 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 467 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .756 sen(zero) = 0.021 . ref(beam) = 2.073 ref(zero) = 0.021 . Optical attenuation of filter deposit = 36 . Total aerosol black carbon on filter = 731 ng Mean aerosol black carbon concentration = 2223 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 653 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .324 sen(zero) = 0.021 . ref(beam) = .825 ref(zero) = 0.021 . Optical attenuation of filter deposit = 32 . Total aerosol black carbon on filter = 724 ng Mean aerosol black carbon concentration = 2201 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 618 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .590 sen(zero) = 0.021 . ref(beam) = 1.045 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 670 ng Mean aerosol black carbon concentration = 2038 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 857 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.004 sen(zero) = 0.021 . ref(beam) = 1.078 ref(zero) = 0.021 . Optical attenuation of filter deposit = 19 . Total aerosol black carbon on filter = 631 ng Mean aerosol black carbon concentration = 1919 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 950 ppm. --- Disk space = 2.539438E+08 bytes free: One entry at every 10 minutes. There is space for 107969 hours ( 4499 days) more data --- 28-sep-17 19:55:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 28-sep-17 20:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.684 ref(beam) = 2.108 . Lamp 2 (470 nm): sen(beam) = 1.393 ref(beam) = 2.331 . Lamp 3 (520 nm): sen(beam) = 1.729 ref(beam) = 1.611 . Lamp 4 (590 nm): sen(beam) = 1.090 ref(beam) = 1.975 . Lamp 5 (660 nm): sen(beam) = .458 ref(beam) = .815 . Lamp 6 (880 nm): sen(beam) = .746 ref(beam) = 1.026 . Lamp 7 (950 nm): sen(beam) = 1.233 ref(beam) = 1.054 --- 28-sep-17 23:35:00 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 = 2048 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .747 sen(zero) = 0.021 . ref(beam) = 2.117 ref(zero) = 0.021 . Optical attenuation of filter deposit = 76 . Total aerosol black carbon on filter = 963 ng Mean aerosol black carbon concentration = 2611 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 297 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .807 sen(zero) = 0.021 . ref(beam) = 2.331 ref(zero) = 0.021 . Optical attenuation of filter deposit = 51 . Total aerosol black carbon on filter = 820 ng Mean aerosol black carbon concentration = 2224 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 160 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.100 sen(zero) = 0.021 . ref(beam) = 1.608 ref(zero) = 0.021 . Optical attenuation of filter deposit = 41 . Total aerosol black carbon on filter = 745 ng Mean aerosol black carbon concentration = 2021 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 170 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .761 sen(zero) = 0.021 . ref(beam) = 2.018 ref(zero) = 0.021 . Optical attenuation of filter deposit = 36 . Total aerosol black carbon on filter = 727 ng Mean aerosol black carbon concentration = 1972 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 545 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .329 sen(zero) = 0.021 . ref(beam) = .814 ref(zero) = 0.021 . Optical attenuation of filter deposit = 32 . Total aerosol black carbon on filter = 724 ng Mean aerosol black carbon concentration = 1965 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 311 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .591 sen(zero) = 0.021 . ref(beam) = 1.027 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 672 ng Mean aerosol black carbon concentration = 1824 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 326 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.006 sen(zero) = 0.021 . ref(beam) = 1.058 ref(zero) = 0.021 . Optical attenuation of filter deposit = 19 . Total aerosol black carbon on filter = 634 ng Mean aerosol black carbon concentration = 1721 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 385 ppm. --- Disk space = 2.539356E+08 bytes free: One entry at every 10 minutes. There is space for 107966 hours ( 4499 days) more data --- 28-sep-17 23:35:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 28-sep-17 23:50:19 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.639 ref(beam) = 2.089 . Lamp 2 (470 nm): sen(beam) = 1.368 ref(beam) = 2.335 . Lamp 3 (520 nm): sen(beam) = 1.699 ref(beam) = 1.619 . Lamp 4 (590 nm): sen(beam) = 1.058 ref(beam) = 1.963 . Lamp 5 (660 nm): sen(beam) = .448 ref(beam) = .814 . Lamp 6 (880 nm): sen(beam) = .730 ref(beam) = 1.026 . Lamp 7 (950 nm): sen(beam) = 1.206 ref(beam) = 1.052 ---