31-aug-17 02:35:00 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 = 2378 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .700 sen(zero) = 0.021 . ref(beam) = 2.156 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 958 ng Mean aerosol black carbon concentration = 3110 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 50 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .759 sen(zero) = 0.021 . ref(beam) = 2.376 ref(zero) = 0.021 . Optical attenuation of filter deposit = 51 . Total aerosol black carbon on filter = 829 ng Mean aerosol black carbon concentration = 2692 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 28 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.046 sen(zero) = 0.021 . ref(beam) = 1.637 ref(zero) = 0.021 . Optical attenuation of filter deposit = 41 . Total aerosol black carbon on filter = 740 ng Mean aerosol black carbon concentration = 2405 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 49 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .740 sen(zero) = 0.021 . ref(beam) = 2.062 ref(zero) = 0.021 . Optical attenuation of filter deposit = 35 . Total aerosol black carbon on filter = 710 ng Mean aerosol black carbon concentration = 2305 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 155 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .320 sen(zero) = 0.021 . ref(beam) = .827 ref(zero) = 0.021 . Optical attenuation of filter deposit = 30 . Total aerosol black carbon on filter = 695 ng Mean aerosol black carbon concentration = 2257 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 51 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .578 sen(zero) = 0.021 . ref(beam) = 1.041 ref(zero) = 0.021 . Optical attenuation of filter deposit = 20 . Total aerosol black carbon on filter = 617 ng Mean aerosol black carbon concentration = 2003 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 74 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .979 sen(zero) = 0.021 . ref(beam) = 1.072 ref(zero) = 0.021 . Optical attenuation of filter deposit = 17 . Total aerosol black carbon on filter = 577 ng Mean aerosol black carbon concentration = 1876 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 118 ppm. --- Disk space = 2.530222E+08 bytes free: One entry at every 10 minutes. There is space for 107577 hours ( 4482 days) more data --- 31-aug-17 02:35:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 31-aug-17 02:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.573 ref(beam) = 2.059 . Lamp 2 (470 nm): sen(beam) = 1.315 ref(beam) = 2.284 . Lamp 3 (520 nm): sen(beam) = 1.635 ref(beam) = 1.561 . Lamp 4 (590 nm): sen(beam) = 1.030 ref(beam) = 1.910 . Lamp 5 (660 nm): sen(beam) = .434 ref(beam) = .795 . Lamp 6 (880 nm): sen(beam) = .701 ref(beam) = .985 . Lamp 7 (950 nm): sen(beam) = 1.157 ref(beam) = 1.013 --- 31-aug-17 06:55:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 3.91 hours . Total airflow this filter = .44 cubic meters . Mean BC concentration of all lamps = 1733 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .700 sen(zero) = 0.021 . ref(beam) = 2.092 ref(zero) = 0.021 . Optical attenuation of filter deposit = 77 . Total aerosol black carbon on filter = 986 ng Mean aerosol black carbon concentration = 2254 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 193 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .754 sen(zero) = 0.021 . ref(beam) = 2.292 ref(zero) = 0.021 . Optical attenuation of filter deposit = 53 . Total aerosol black carbon on filter = 854 ng Mean aerosol black carbon concentration = 1952 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 46 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.040 sen(zero) = 0.021 . ref(beam) = 1.565 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 765 ng Mean aerosol black carbon concentration = 1749 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 50 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .746 sen(zero) = 0.021 . ref(beam) = 2.021 ref(zero) = 0.021 . Optical attenuation of filter deposit = 36 . Total aerosol black carbon on filter = 737 ng Mean aerosol black carbon concentration = 1684 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 562 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .318 sen(zero) = 0.021 . ref(beam) = .804 ref(zero) = 0.021 . Optical attenuation of filter deposit = 32 . Total aerosol black carbon on filter = 721 ng Mean aerosol black carbon concentration = 1647 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 171 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .574 sen(zero) = 0.021 . ref(beam) = 1.003 ref(zero) = 0.021 . Optical attenuation of filter deposit = 21 . Total aerosol black carbon on filter = 642 ng Mean aerosol black carbon concentration = 1467 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 260 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .976 sen(zero) = 0.021 . ref(beam) = 1.037 ref(zero) = 0.021 . Optical attenuation of filter deposit = 18 . Total aerosol black carbon on filter = 602 ng Mean aerosol black carbon concentration = 1376 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 314 ppm. --- Disk space = 2.530099E+08 bytes free: One entry at every 10 minutes. There is space for 107572 hours ( 4482 days) more data --- 31-aug-17 06:55:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 31-aug-17 07:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.519 ref(beam) = 2.146 . Lamp 2 (470 nm): sen(beam) = 1.260 ref(beam) = 2.385 . Lamp 3 (520 nm): sen(beam) = 1.561 ref(beam) = 1.648 . Lamp 4 (590 nm): sen(beam) = 1.008 ref(beam) = 2.049 . Lamp 5 (660 nm): sen(beam) = .419 ref(beam) = .834 . Lamp 6 (880 nm): sen(beam) = .677 ref(beam) = 1.050 . Lamp 7 (950 nm): sen(beam) = 1.120 ref(beam) = 1.077 --- 31-aug-17 09:45:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 2.41 hours . Total airflow this filter = .27 cubic meters . Mean BC concentration of all lamps = 2680 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .651 sen(zero) = 0.021 . ref(beam) = 2.160 ref(zero) = 0.021 . Optical attenuation of filter deposit = 78 . Total aerosol black carbon on filter = 997 ng Mean aerosol black carbon concentration = 3739 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 97 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .730 sen(zero) = 0.021 . ref(beam) = 2.385 ref(zero) = 0.021 . Optical attenuation of filter deposit = 50 . Total aerosol black carbon on filter = 815 ng Mean aerosol black carbon concentration = 3058 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 76 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.011 sen(zero) = 0.021 . ref(beam) = 1.645 ref(zero) = 0.021 . Optical attenuation of filter deposit = 40 . Total aerosol black carbon on filter = 715 ng Mean aerosol black carbon concentration = 2682 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 73 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .727 sen(zero) = 0.021 . ref(beam) = 2.110 ref(zero) = 0.021 . Optical attenuation of filter deposit = 33 . Total aerosol black carbon on filter = 679 ng Mean aerosol black carbon concentration = 2547 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 284 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .310 sen(zero) = 0.021 . ref(beam) = .835 ref(zero) = 0.021 . Optical attenuation of filter deposit = 29 . Total aerosol black carbon on filter = 662 ng Mean aerosol black carbon concentration = 2483 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 154 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .555 sen(zero) = 0.021 . ref(beam) = 1.055 ref(zero) = 0.021 . Optical attenuation of filter deposit = 19 . Total aerosol black carbon on filter = 586 ng Mean aerosol black carbon concentration = 2198 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 177 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .943 sen(zero) = 0.021 . ref(beam) = 1.084 ref(zero) = 0.021 . Optical attenuation of filter deposit = 16 . Total aerosol black carbon on filter = 548 ng Mean aerosol black carbon concentration = 2054 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 226 ppm. --- Disk space = 2.529976E+08 bytes free: One entry at every 10 minutes. There is space for 107567 hours ( 4482 days) more data --- 31-aug-17 09:45:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 31-aug-17 10:09:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.548 ref(beam) = 2.130 . Lamp 2 (470 nm): sen(beam) = 1.301 ref(beam) = 2.359 . Lamp 3 (520 nm): sen(beam) = 1.607 ref(beam) = 1.635 . Lamp 4 (590 nm): sen(beam) = 1.033 ref(beam) = 2.017 . Lamp 5 (660 nm): sen(beam) = .434 ref(beam) = .823 . Lamp 6 (880 nm): sen(beam) = .701 ref(beam) = 1.042 . Lamp 7 (950 nm): sen(beam) = 1.161 ref(beam) = 1.067 --- 31-aug-17 12:45:00 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 = 2657 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .677 sen(zero) = 0.021 . ref(beam) = 2.145 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 960 ng Mean aerosol black carbon concentration = 3307 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 394 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .730 sen(zero) = 0.021 . ref(beam) = 2.360 ref(zero) = 0.021 . Optical attenuation of filter deposit = 53 . Total aerosol black carbon on filter = 856 ng Mean aerosol black carbon concentration = 2950 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 410 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .998 sen(zero) = 0.021 . ref(beam) = 1.633 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 777 ng Mean aerosol black carbon concentration = 2678 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 407 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .714 sen(zero) = 0.021 . ref(beam) = 2.079 ref(zero) = 0.021 . Optical attenuation of filter deposit = 37 . Total aerosol black carbon on filter = 754 ng Mean aerosol black carbon concentration = 2600 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 836 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .309 sen(zero) = 0.021 . ref(beam) = .824 ref(zero) = 0.021 . Optical attenuation of filter deposit = 33 . Total aerosol black carbon on filter = 744 ng Mean aerosol black carbon concentration = 2565 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 465 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .556 sen(zero) = 0.021 . ref(beam) = 1.047 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 673 ng Mean aerosol black carbon concentration = 2320 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 746 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .950 sen(zero) = 0.021 . ref(beam) = 1.074 ref(zero) = 0.021 . Optical attenuation of filter deposit = 19 . Total aerosol black carbon on filter = 632 ng Mean aerosol black carbon concentration = 2178 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 905 ppm. --- Disk space = 2.529853E+08 bytes free: One entry at every 10 minutes. There is space for 107562 hours ( 4482 days) more data --- 31-aug-17 12:45:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 31-aug-17 13:09:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.499 ref(beam) = 2.089 . Lamp 2 (470 nm): sen(beam) = 1.253 ref(beam) = 2.329 . Lamp 3 (520 nm): sen(beam) = 1.555 ref(beam) = 1.589 . Lamp 4 (590 nm): sen(beam) = 1.004 ref(beam) = 1.972 . Lamp 5 (660 nm): sen(beam) = .420 ref(beam) = .816 . Lamp 6 (880 nm): sen(beam) = .681 ref(beam) = 1.018 . Lamp 7 (950 nm): sen(beam) = 1.123 ref(beam) = 1.047 --- 31-aug-17 15:05:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 1.91 hours . Total airflow this filter = .22 cubic meters . Mean BC concentration of all lamps = 3399 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .628 sen(zero) = 0.021 . ref(beam) = 2.112 ref(zero) = 0.021 . Optical attenuation of filter deposit = 77 . Total aerosol black carbon on filter = 982 ng Mean aerosol black carbon concentration = 4588 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1235 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .703 sen(zero) = 0.021 . ref(beam) = 2.337 ref(zero) = 0.021 . Optical attenuation of filter deposit = 51 . Total aerosol black carbon on filter = 834 ng Mean aerosol black carbon concentration = 3894 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1365 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .978 sen(zero) = 0.021 . ref(beam) = 1.592 ref(zero) = 0.021 . Optical attenuation of filter deposit = 41 . Total aerosol black carbon on filter = 737 ng Mean aerosol black carbon concentration = 3445 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1742 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 = 34 . Total aerosol black carbon on filter = 701 ng Mean aerosol black carbon concentration = 3273 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1893 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .306 sen(zero) = 0.021 . ref(beam) = .820 ref(zero) = 0.021 . Optical attenuation of filter deposit = 30 . Total aerosol black carbon on filter = 681 ng Mean aerosol black carbon concentration = 3180 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 2044 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .554 sen(zero) = 0.021 . ref(beam) = 1.028 ref(zero) = 0.021 . Optical attenuation of filter deposit = 19 . Total aerosol black carbon on filter = 599 ng Mean aerosol black carbon concentration = 2799 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 2199 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .940 sen(zero) = 0.021 . ref(beam) = 1.059 ref(zero) = 0.021 . Optical attenuation of filter deposit = 17 . Total aerosol black carbon on filter = 559 ng Mean aerosol black carbon concentration = 2614 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 2607 ppm. --- Disk space = 2.529772E+08 bytes free: One entry at every 10 minutes. There is space for 107558 hours ( 4482 days) more data --- 31-aug-17 15:05:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 31-aug-17 15:29:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.455 ref(beam) = 2.118 . Lamp 2 (470 nm): sen(beam) = 1.230 ref(beam) = 2.324 . Lamp 3 (520 nm): sen(beam) = 1.530 ref(beam) = 1.602 . Lamp 4 (590 nm): sen(beam) = .990 ref(beam) = 1.987 . Lamp 5 (660 nm): sen(beam) = .414 ref(beam) = .809 . Lamp 6 (880 nm): sen(beam) = .673 ref(beam) = 1.018 . Lamp 7 (950 nm): sen(beam) = 1.113 ref(beam) = 1.042 --- 31-aug-17 18:05:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 2.58 hours . Total airflow this filter = .3 cubic meters . Mean BC concentration of all lamps = 2690 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .601 sen(zero) = 0.021 . ref(beam) = 2.134 ref(zero) = 0.021 . Optical attenuation of filter deposit = 77 . Total aerosol black carbon on filter = 978 ng Mean aerosol black carbon concentration = 3362 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1181 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .664 sen(zero) = 0.021 . ref(beam) = 2.326 ref(zero) = 0.021 . Optical attenuation of filter deposit = 54 . Total aerosol black carbon on filter = 879 ng Mean aerosol black carbon concentration = 3022 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1273 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .925 sen(zero) = 0.021 . ref(beam) = 1.601 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 795 ng Mean aerosol black carbon concentration = 2732 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1250 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .674 sen(zero) = 0.021 . ref(beam) = 2.057 ref(zero) = 0.021 . Optical attenuation of filter deposit = 38 . Total aerosol black carbon on filter = 766 ng Mean aerosol black carbon concentration = 2633 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1311 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .291 sen(zero) = 0.021 . ref(beam) = .812 ref(zero) = 0.021 . Optical attenuation of filter deposit = 33 . Total aerosol black carbon on filter = 752 ng Mean aerosol black carbon concentration = 2586 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1235 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .532 sen(zero) = 0.021 . ref(beam) = 1.027 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 675 ng Mean aerosol black carbon concentration = 2320 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1540 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .909 sen(zero) = 0.021 . ref(beam) = 1.054 ref(zero) = 0.021 . Optical attenuation of filter deposit = 19 . Total aerosol black carbon on filter = 633 ng Mean aerosol black carbon concentration = 2175 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1405 ppm. --- Disk space = 2.52969E+08 bytes free: One entry at every 10 minutes. There is space for 107555 hours ( 4481 days) more data --- 31-aug-17 18:05:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 31-aug-17 18:29:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.547 ref(beam) = 2.170 . Lamp 2 (470 nm): sen(beam) = 1.278 ref(beam) = 2.371 . Lamp 3 (520 nm): sen(beam) = 1.577 ref(beam) = 1.629 . Lamp 4 (590 nm): sen(beam) = 1.016 ref(beam) = 2.015 . Lamp 5 (660 nm): sen(beam) = .425 ref(beam) = .825 . Lamp 6 (880 nm): sen(beam) = .686 ref(beam) = 1.032 . Lamp 7 (950 nm): sen(beam) = 1.134 ref(beam) = 1.061 --- 31-aug-17 22:35:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 4.08 hours . Total airflow this filter = .48 cubic meters . Mean BC concentration of all lamps = 1794 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .683 sen(zero) = 0.021 . ref(beam) = 2.173 ref(zero) = 0.021 . Optical attenuation of filter deposit = 76 . Total aerosol black carbon on filter = 965 ng Mean aerosol black carbon concentration = 2033 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 394 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .694 sen(zero) = 0.021 . ref(beam) = 2.367 ref(zero) = 0.021 . Optical attenuation of filter deposit = 57 . Total aerosol black carbon on filter = 922 ng Mean aerosol black carbon concentration = 1941 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 314 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .940 sen(zero) = 0.021 . ref(beam) = 1.623 ref(zero) = 0.021 . Optical attenuation of filter deposit = 48 . Total aerosol black carbon on filter = 860 ng Mean aerosol black carbon concentration = 1812 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 329 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .663 sen(zero) = 0.021 . ref(beam) = 2.041 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 849 ng Mean aerosol black carbon concentration = 1788 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 773 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .290 sen(zero) = 0.021 . ref(beam) = .822 ref(zero) = 0.021 . Optical attenuation of filter deposit = 37 . Total aerosol black carbon on filter = 847 ng Mean aerosol black carbon concentration = 1784 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 514 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .524 sen(zero) = 0.021 . ref(beam) = 1.030 ref(zero) = 0.021 . Optical attenuation of filter deposit = 26 . Total aerosol black carbon on filter = 783 ng Mean aerosol black carbon concentration = 1649 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 701 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .894 sen(zero) = 0.021 . ref(beam) = 1.060 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 736 ng Mean aerosol black carbon concentration = 1550 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 749 ppm. --- Disk space = 2.529567E+08 bytes free: One entry at every 10 minutes. There is space for 107550 hours ( 4481 days) more data --- 31-aug-17 22:35:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 31-aug-17 22:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.616 ref(beam) = 2.146 . Lamp 2 (470 nm): sen(beam) = 1.316 ref(beam) = 2.363 . Lamp 3 (520 nm): sen(beam) = 1.624 ref(beam) = 1.623 . Lamp 4 (590 nm): sen(beam) = 1.029 ref(beam) = 1.972 . Lamp 5 (660 nm): sen(beam) = .432 ref(beam) = .820 . Lamp 6 (880 nm): sen(beam) = .695 ref(beam) = 1.021 . Lamp 7 (950 nm): sen(beam) = 1.142 ref(beam) = 1.048 ---