20-aug-19 01:55:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 2.08 hours . Total airflow this filter = .27 cubic meters . Mean BC concentration of all lamps = 3282 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .815 sen(zero) = 0.021 . ref(beam) = 2.170 ref(zero) = 0.021 . Optical attenuation of filter deposit = 76 . Total aerosol black carbon on filter = 962 ng Mean aerosol black carbon concentration = 3691 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 168 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .767 sen(zero) = 0.021 . ref(beam) = 2.272 ref(zero) = 0.021 . Optical attenuation of filter deposit = 57 . Total aerosol black carbon on filter = 928 ng Mean aerosol black carbon concentration = 3559 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 140 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.125 sen(zero) = 0.021 . ref(beam) = 1.546 ref(zero) = 0.021 . Optical attenuation of filter deposit = 49 . Total aerosol black carbon on filter = 872 ng Mean aerosol black carbon concentration = 3346 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 95 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .800 sen(zero) = 0.021 . ref(beam) = 2.119 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 862 ng Mean aerosol black carbon concentration = 3306 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 491 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .292 sen(zero) = 0.021 . ref(beam) = .710 ref(zero) = 0.021 . Optical attenuation of filter deposit = 37 . Total aerosol black carbon on filter = 853 ng Mean aerosol black carbon concentration = 3271 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 244 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .620 sen(zero) = 0.021 . ref(beam) = 1.007 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 778 ng Mean aerosol black carbon concentration = 2986 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 206 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.089 sen(zero) = 0.021 . ref(beam) = 1.061 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 733 ng Mean aerosol black carbon concentration = 2812 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 205 ppm. --- Disk space = 2.537267E+08 bytes free: One entry at every 10 minutes. There is space for 107877 hours ( 4495 days) more data --- 20-aug-19 01:55:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 20-aug-19 02:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.620 ref(beam) = 2.130 . Lamp 2 (470 nm): sen(beam) = 1.287 ref(beam) = 2.258 . Lamp 3 (520 nm): sen(beam) = 1.749 ref(beam) = 1.514 . Lamp 4 (590 nm): sen(beam) = 1.122 ref(beam) = 2.010 . Lamp 5 (660 nm): sen(beam) = .398 ref(beam) = .705 . Lamp 6 (880 nm): sen(beam) = .760 ref(beam) = .979 . Lamp 7 (950 nm): sen(beam) = 1.289 ref(beam) = 1.031 --- 20-aug-19 03:35:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 1.25 hours . Total airflow this filter = .16 cubic meters . Mean BC concentration of all lamps = 5739 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .603 sen(zero) = 0.021 . ref(beam) = 2.142 ref(zero) = 0.021 . Optical attenuation of filter deposit = 79 . Total aerosol black carbon on filter = 1001 ng Mean aerosol black carbon concentration = 6530 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 93 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .618 sen(zero) = 0.021 . ref(beam) = 2.260 ref(zero) = 0.021 . Optical attenuation of filter deposit = 59 . Total aerosol black carbon on filter = 956 ng Mean aerosol black carbon concentration = 6234 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 86 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .941 sen(zero) = 0.021 . ref(beam) = 1.513 ref(zero) = 0.021 . Optical attenuation of filter deposit = 50 . Total aerosol black carbon on filter = 891 ng Mean aerosol black carbon concentration = 5813 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 94 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .684 sen(zero) = 0.021 . ref(beam) = 2.075 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 878 ng Mean aerosol black carbon concentration = 5729 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 382 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .255 sen(zero) = 0.021 . ref(beam) = .706 ref(zero) = 0.021 . Optical attenuation of filter deposit = 38 . Total aerosol black carbon on filter = 872 ng Mean aerosol black carbon concentration = 5688 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 85 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .557 sen(zero) = 0.021 . ref(beam) = .986 ref(zero) = 0.021 . Optical attenuation of filter deposit = 26 . Total aerosol black carbon on filter = 802 ng Mean aerosol black carbon concentration = 5233 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 146 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .984 sen(zero) = 0.021 . ref(beam) = 1.040 ref(zero) = 0.021 . Optical attenuation of filter deposit = 23 . Total aerosol black carbon on filter = 758 ng Mean aerosol black carbon concentration = 4947 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 291 ppm. --- Disk space = 2.537144E+08 bytes free: One entry at every 10 minutes. There is space for 107872 hours ( 4495 days) more data --- 20-aug-19 03:35:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 20-aug-19 03:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.565 ref(beam) = 2.218 . Lamp 2 (470 nm): sen(beam) = 1.248 ref(beam) = 2.342 . Lamp 3 (520 nm): sen(beam) = 1.713 ref(beam) = 1.583 . Lamp 4 (590 nm): sen(beam) = 1.098 ref(beam) = 2.085 . Lamp 5 (660 nm): sen(beam) = .387 ref(beam) = .728 . Lamp 6 (880 nm): sen(beam) = .751 ref(beam) = 1.022 . Lamp 7 (950 nm): sen(beam) = 1.266 ref(beam) = 1.079 --- 20-aug-19 05:15:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 1.25 hours . Total airflow this filter = .16 cubic meters . Mean BC concentration of all lamps = 5749 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .569 sen(zero) = 0.021 . ref(beam) = 2.234 ref(zero) = 0.021 . Optical attenuation of filter deposit = 79 . Total aerosol black carbon on filter = 1011 ng Mean aerosol black carbon concentration = 6639 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 208 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .593 sen(zero) = 0.021 . ref(beam) = 2.346 ref(zero) = 0.021 . Optical attenuation of filter deposit = 59 . Total aerosol black carbon on filter = 960 ng Mean aerosol black carbon concentration = 6304 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 36 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .918 sen(zero) = 0.021 . ref(beam) = 1.582 ref(zero) = 0.021 . Optical attenuation of filter deposit = 50 . Total aerosol black carbon on filter = 889 ng Mean aerosol black carbon concentration = 5843 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 82 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .672 sen(zero) = 0.021 . ref(beam) = 2.164 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 871 ng Mean aerosol black carbon concentration = 5725 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 644 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .249 sen(zero) = 0.021 . ref(beam) = .731 ref(zero) = 0.021 . Optical attenuation of filter deposit = 38 . Total aerosol black carbon on filter = 863 ng Mean aerosol black carbon concentration = 5668 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 169 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .554 sen(zero) = 0.021 . ref(beam) = 1.031 ref(zero) = 0.021 . Optical attenuation of filter deposit = 26 . Total aerosol black carbon on filter = 789 ng Mean aerosol black carbon concentration = 5182 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 302 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .973 sen(zero) = 0.021 . ref(beam) = 1.092 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 743 ng Mean aerosol black carbon concentration = 4882 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 402 ppm. --- Disk space = 2.537103E+08 bytes free: One entry at every 10 minutes. There is space for 107870 hours ( 4495 days) more data --- 20-aug-19 05:15:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 20-aug-19 05:39:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.652 ref(beam) = 2.224 . Lamp 2 (470 nm): sen(beam) = 1.324 ref(beam) = 2.358 . Lamp 3 (520 nm): sen(beam) = 1.792 ref(beam) = 1.585 . Lamp 4 (590 nm): sen(beam) = 1.160 ref(beam) = 2.100 . Lamp 5 (660 nm): sen(beam) = .414 ref(beam) = .735 . Lamp 6 (880 nm): sen(beam) = .783 ref(beam) = 1.024 . Lamp 7 (950 nm): sen(beam) = 1.336 ref(beam) = 1.082 --- 20-aug-19 07:05:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 1.41 hours . Total airflow this filter = .18 cubic meters . Mean BC concentration of all lamps = 5314 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .588 sen(zero) = 0.021 . ref(beam) = 2.240 ref(zero) = 0.021 . Optical attenuation of filter deposit = 83 . Total aerosol black carbon on filter = 1062 ng Mean aerosol black carbon concentration = 6170 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 168 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .621 sen(zero) = 0.021 . ref(beam) = 2.361 ref(zero) = 0.021 . Optical attenuation of filter deposit = 62 . Total aerosol black carbon on filter = 1003 ng Mean aerosol black carbon concentration = 5831 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 51 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .948 sen(zero) = 0.021 . ref(beam) = 1.585 ref(zero) = 0.021 . Optical attenuation of filter deposit = 52 . Total aerosol black carbon on filter = 933 ng Mean aerosol black carbon concentration = 5420 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 91 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .704 sen(zero) = 0.021 . ref(beam) = 2.184 ref(zero) = 0.021 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 913 ng Mean aerosol black carbon concentration = 5304 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 663 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .264 sen(zero) = 0.021 . ref(beam) = .739 ref(zero) = 0.021 . Optical attenuation of filter deposit = 39 . Total aerosol black carbon on filter = 897 ng Mean aerosol black carbon concentration = 5212 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 165 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .575 sen(zero) = 0.021 . ref(beam) = 1.034 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 822 ng Mean aerosol black carbon concentration = 4775 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 320 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.023 sen(zero) = 0.021 . ref(beam) = 1.096 ref(zero) = 0.021 . Optical attenuation of filter deposit = 23 . Total aerosol black carbon on filter = 772 ng Mean aerosol black carbon concentration = 4487 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 366 ppm. --- Disk space = 2.537021E+08 bytes free: One entry at every 10 minutes. There is space for 107867 hours ( 4494 days) more data --- 20-aug-19 07:05:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 20-aug-19 07:29:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.646 ref(beam) = 2.334 . Lamp 2 (470 nm): sen(beam) = 1.313 ref(beam) = 2.489 . Lamp 3 (520 nm): sen(beam) = 1.794 ref(beam) = 1.672 . Lamp 4 (590 nm): sen(beam) = 1.167 ref(beam) = 2.221 . Lamp 5 (660 nm): sen(beam) = .408 ref(beam) = .779 . Lamp 6 (880 nm): sen(beam) = .780 ref(beam) = 1.084 . Lamp 7 (950 nm): sen(beam) = 1.321 ref(beam) = 1.147 --- 20-aug-19 09:05:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 1.58 hours . Total airflow this filter = .2 cubic meters . Mean BC concentration of all lamps = 4350 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .621 sen(zero) = 0.021 . ref(beam) = 2.346 ref(zero) = 0.021 . Optical attenuation of filter deposit = 78 . Total aerosol black carbon on filter = 991 ng Mean aerosol black carbon concentration = 5123 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 102 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .645 sen(zero) = 0.021 . ref(beam) = 2.489 ref(zero) = 0.021 . Optical attenuation of filter deposit = 57 . Total aerosol black carbon on filter = 928 ng Mean aerosol black carbon concentration = 4797 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 57 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .988 sen(zero) = 0.021 . ref(beam) = 1.670 ref(zero) = 0.021 . Optical attenuation of filter deposit = 48 . Total aerosol black carbon on filter = 862 ng Mean aerosol black carbon concentration = 4458 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 102 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .732 sen(zero) = 0.021 . ref(beam) = 2.298 ref(zero) = 0.021 . Optical attenuation of filter deposit = 41 . Total aerosol black carbon on filter = 836 ng Mean aerosol black carbon concentration = 4322 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 297 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .268 sen(zero) = 0.021 . ref(beam) = .780 ref(zero) = 0.021 . Optical attenuation of filter deposit = 36 . Total aerosol black carbon on filter = 822 ng Mean aerosol black carbon concentration = 4248 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 113 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .586 sen(zero) = 0.021 . ref(beam) = 1.092 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 748 ng Mean aerosol black carbon concentration = 3868 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 122 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.030 sen(zero) = 0.021 . ref(beam) = 1.158 ref(zero) = 0.021 . Optical attenuation of filter deposit = 21 . Total aerosol black carbon on filter = 703 ng Mean aerosol black carbon concentration = 3635 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 199 ppm. --- Disk space = 2.53694E+08 bytes free: One entry at every 10 minutes. There is space for 107863 hours ( 4494 days) more data --- 20-aug-19 09:05:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 20-aug-19 09:29:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.867 ref(beam) = 2.250 . Lamp 2 (470 nm): sen(beam) = 1.467 ref(beam) = 2.377 . Lamp 3 (520 nm): sen(beam) = 1.980 ref(beam) = 1.618 . Lamp 4 (590 nm): sen(beam) = 1.278 ref(beam) = 2.152 . Lamp 5 (660 nm): sen(beam) = .450 ref(beam) = .742 . Lamp 6 (880 nm): sen(beam) = .857 ref(beam) = 1.047 . Lamp 7 (950 nm): sen(beam) = 1.457 ref(beam) = 1.102 --- 20-aug-19 11:55:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 2.41 hours . Total airflow this filter = .31 cubic meters . Mean BC concentration of all lamps = 2794 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .768 sen(zero) = 0.021 . ref(beam) = 2.251 ref(zero) = 0.021 . Optical attenuation of filter deposit = 76 . Total aerosol black carbon on filter = 970 ng Mean aerosol black carbon concentration = 3162 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 367 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .753 sen(zero) = 0.021 . ref(beam) = 2.369 ref(zero) = 0.021 . Optical attenuation of filter deposit = 58 . Total aerosol black carbon on filter = 936 ng Mean aerosol black carbon concentration = 3050 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 298 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.131 sen(zero) = 0.021 . ref(beam) = 1.612 ref(zero) = 0.021 . Optical attenuation of filter deposit = 48 . Total aerosol black carbon on filter = 870 ng Mean aerosol black carbon concentration = 2835 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 430 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .819 sen(zero) = 0.021 . ref(beam) = 2.216 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 856 ng Mean aerosol black carbon concentration = 2792 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 525 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .299 sen(zero) = 0.021 . ref(beam) = .742 ref(zero) = 0.021 . Optical attenuation of filter deposit = 37 . Total aerosol black carbon on filter = 855 ng Mean aerosol black carbon concentration = 2787 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 420 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .649 sen(zero) = 0.021 . ref(beam) = 1.053 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 776 ng Mean aerosol black carbon concentration = 2530 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 346 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.142 sen(zero) = 0.021 . ref(beam) = 1.111 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 737 ng Mean aerosol black carbon concentration = 2403 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 362 ppm. --- Disk space = 2.536858E+08 bytes free: One entry at every 10 minutes. There is space for 107860 hours ( 4494 days) more data --- 20-aug-19 11:55:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 20-aug-19 12:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.835 ref(beam) = 2.262 . Lamp 2 (470 nm): sen(beam) = 1.414 ref(beam) = 2.395 . Lamp 3 (520 nm): sen(beam) = 1.911 ref(beam) = 1.626 . Lamp 4 (590 nm): sen(beam) = 1.235 ref(beam) = 2.161 . Lamp 5 (660 nm): sen(beam) = .430 ref(beam) = .748 . Lamp 6 (880 nm): sen(beam) = .823 ref(beam) = 1.053 . Lamp 7 (950 nm): sen(beam) = 1.389 ref(beam) = 1.108 --- 20-aug-19 15:25:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 3.08 hours . Total airflow this filter = .4 cubic meters . Mean BC concentration of all lamps = 2338 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .783 sen(zero) = 0.021 . ref(beam) = 2.280 ref(zero) = 0.021 . Optical attenuation of filter deposit = 78 . Total aerosol black carbon on filter = 995 ng Mean aerosol black carbon concentration = 2526 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 441 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .727 sen(zero) = 0.021 . ref(beam) = 2.398 ref(zero) = 0.021 . Optical attenuation of filter deposit = 61 . Total aerosol black carbon on filter = 992 ng Mean aerosol black carbon concentration = 2518 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 436 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.078 sen(zero) = 0.021 . ref(beam) = 1.626 ref(zero) = 0.021 . Optical attenuation of filter deposit = 52 . Total aerosol black carbon on filter = 940 ng Mean aerosol black carbon concentration = 2386 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 512 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .790 sen(zero) = 0.021 . ref(beam) = 2.260 ref(zero) = 0.021 . Optical attenuation of filter deposit = 46 . Total aerosol black carbon on filter = 931 ng Mean aerosol black carbon concentration = 2363 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 457 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .284 sen(zero) = 0.021 . ref(beam) = .754 ref(zero) = 0.021 . Optical attenuation of filter deposit = 41 . Total aerosol black carbon on filter = 930 ng Mean aerosol black carbon concentration = 2359 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 460 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .618 sen(zero) = 0.021 . ref(beam) = 1.066 ref(zero) = 0.021 . Optical attenuation of filter deposit = 28 . Total aerosol black carbon on filter = 854 ng Mean aerosol black carbon concentration = 2167 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 713 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.084 sen(zero) = 0.021 . ref(beam) = 1.127 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 807 ng Mean aerosol black carbon concentration = 2048 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 736 ppm. --- Disk space = 2.536776E+08 bytes free: One entry at every 10 minutes. There is space for 107856 hours ( 4494 days) more data --- 20-aug-19 15:25:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 20-aug-19 15:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.861 ref(beam) = 2.308 . Lamp 2 (470 nm): sen(beam) = 1.423 ref(beam) = 2.435 . Lamp 3 (520 nm): sen(beam) = 1.929 ref(beam) = 1.649 . Lamp 4 (590 nm): sen(beam) = 1.258 ref(beam) = 2.217 . Lamp 5 (660 nm): sen(beam) = .433 ref(beam) = .762 . Lamp 6 (880 nm): sen(beam) = .830 ref(beam) = 1.072 . Lamp 7 (950 nm): sen(beam) = 1.402 ref(beam) = 1.134 --- 20-aug-19 18:45:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 2.91 hours . Total airflow this filter = .38 cubic meters . Mean BC concentration of all lamps = 2390 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .812 sen(zero) = 0.021 . ref(beam) = 2.327 ref(zero) = 0.021 . Optical attenuation of filter deposit = 76 . Total aerosol black carbon on filter = 966 ng Mean aerosol black carbon concentration = 2582 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 445 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .743 sen(zero) = 0.021 . ref(beam) = 2.440 ref(zero) = 0.021 . Optical attenuation of filter deposit = 59 . Total aerosol black carbon on filter = 962 ng Mean aerosol black carbon concentration = 2572 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 521 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.105 sen(zero) = 0.021 . ref(beam) = 1.648 ref(zero) = 0.021 . Optical attenuation of filter deposit = 51 . Total aerosol black carbon on filter = 909 ng Mean aerosol black carbon concentration = 2431 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 586 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .808 sen(zero) = 0.021 . ref(beam) = 2.298 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 902 ng Mean aerosol black carbon concentration = 2412 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 492 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .287 sen(zero) = 0.021 . ref(beam) = .765 ref(zero) = 0.021 . Optical attenuation of filter deposit = 40 . Total aerosol black carbon on filter = 904 ng Mean aerosol black carbon concentration = 2418 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 673 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .625 sen(zero) = 0.021 . ref(beam) = 1.081 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 831 ng Mean aerosol black carbon concentration = 2222 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 631 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.097 sen(zero) = 0.021 . ref(beam) = 1.147 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 783 ng Mean aerosol black carbon concentration = 2092 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 602 ppm. --- Disk space = 2.536653E+08 bytes free: One entry at every 10 minutes. There is space for 107851 hours ( 4494 days) more data --- 20-aug-19 18:45:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 20-aug-19 19:09:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.908 ref(beam) = 2.224 . Lamp 2 (470 nm): sen(beam) = 1.478 ref(beam) = 2.371 . Lamp 3 (520 nm): sen(beam) = 1.990 ref(beam) = 1.578 . Lamp 4 (590 nm): sen(beam) = 1.297 ref(beam) = 2.126 . Lamp 5 (660 nm): sen(beam) = .451 ref(beam) = .745 . Lamp 6 (880 nm): sen(beam) = .849 ref(beam) = 1.026 . Lamp 7 (950 nm): sen(beam) = 1.444 ref(beam) = 1.099 --- 20-aug-19 21:35:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 2.41 hours . Total airflow this filter = .32 cubic meters . Mean BC concentration of all lamps = 2772 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .804 sen(zero) = 0.021 . ref(beam) = 2.233 ref(zero) = 0.021 . Optical attenuation of filter deposit = 79 . Total aerosol black carbon on filter = 1007 ng Mean aerosol black carbon concentration = 3254 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 281 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .783 sen(zero) = 0.021 . ref(beam) = 2.371 ref(zero) = 0.021 . Optical attenuation of filter deposit = 58 . Total aerosol black carbon on filter = 942 ng Mean aerosol black carbon concentration = 3044 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 381 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.162 sen(zero) = 0.021 . ref(beam) = 1.576 ref(zero) = 0.021 . Optical attenuation of filter deposit = 49 . Total aerosol black carbon on filter = 876 ng Mean aerosol black carbon concentration = 2832 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 411 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .845 sen(zero) = 0.021 . ref(beam) = 2.182 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 855 ng Mean aerosol black carbon concentration = 2764 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 619 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .306 sen(zero) = 0.021 . ref(beam) = .745 ref(zero) = 0.021 . Optical attenuation of filter deposit = 37 . Total aerosol black carbon on filter = 843 ng Mean aerosol black carbon concentration = 2723 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 321 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .651 sen(zero) = 0.021 . ref(beam) = 1.029 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 765 ng Mean aerosol black carbon concentration = 2473 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 621 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.147 sen(zero) = 0.021 . ref(beam) = 1.104 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 716 ng Mean aerosol black carbon concentration = 2315 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 505 ppm. --- Disk space = 2.53653E+08 bytes free: One entry at every 10 minutes. There is space for 107846 hours ( 4494 days) more data --- 20-aug-19 21:35:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 20-aug-19 21:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.746 ref(beam) = 2.221 . Lamp 2 (470 nm): sen(beam) = 1.374 ref(beam) = 2.361 . Lamp 3 (520 nm): sen(beam) = 1.847 ref(beam) = 1.589 . Lamp 4 (590 nm): sen(beam) = 1.202 ref(beam) = 2.121 . Lamp 5 (660 nm): sen(beam) = .423 ref(beam) = .738 . Lamp 6 (880 nm): sen(beam) = .799 ref(beam) = 1.032 . Lamp 7 (950 nm): sen(beam) = 1.356 ref(beam) = 1.092 --- 20-aug-19 23:55:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 1.91 hours . Total airflow this filter = .25 cubic meters . Mean BC concentration of all lamps = 3351 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .689 sen(zero) = 0.021 . ref(beam) = 2.223 ref(zero) = 0.021 . Optical attenuation of filter deposit = 80 . Total aerosol black carbon on filter = 1016 ng Mean aerosol black carbon concentration = 4171 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 310 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .715 sen(zero) = 0.021 . ref(beam) = 2.357 ref(zero) = 0.021 . Optical attenuation of filter deposit = 57 . Total aerosol black carbon on filter = 917 ng Mean aerosol black carbon concentration = 3766 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 236 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.079 sen(zero) = 0.021 . ref(beam) = 1.586 ref(zero) = 0.021 . Optical attenuation of filter deposit = 46 . Total aerosol black carbon on filter = 834 ng Mean aerosol black carbon concentration = 3426 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 271 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .785 sen(zero) = 0.021 . ref(beam) = 2.168 ref(zero) = 0.021 . Optical attenuation of filter deposit = 39 . Total aerosol black carbon on filter = 805 ng Mean aerosol black carbon concentration = 3304 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 804 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .290 sen(zero) = 0.021 . ref(beam) = .736 ref(zero) = 0.021 . Optical attenuation of filter deposit = 34 . Total aerosol black carbon on filter = 787 ng Mean aerosol black carbon concentration = 3231 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 408 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .619 sen(zero) = 0.021 . ref(beam) = 1.034 ref(zero) = 0.021 . Optical attenuation of filter deposit = 23 . Total aerosol black carbon on filter = 700 ng Mean aerosol black carbon concentration = 2876 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 429 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.087 sen(zero) = 0.021 . ref(beam) = 1.095 ref(zero) = 0.021 . Optical attenuation of filter deposit = 20 . Total aerosol black carbon on filter = 653 ng Mean aerosol black carbon concentration = 2681 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 451 ppm. --- Disk space = 2.536448E+08 bytes free: One entry at every 10 minutes. There is space for 107842 hours ( 4493 days) more data --- 20-aug-19 23:55:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 21-aug-19 00:09:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.893 ref(beam) = 2.227 . Lamp 2 (470 nm): sen(beam) = 1.462 ref(beam) = 2.405 . Lamp 3 (520 nm): sen(beam) = 1.944 ref(beam) = 1.599 . Lamp 4 (590 nm): sen(beam) = 1.243 ref(beam) = 2.116 . Lamp 5 (660 nm): sen(beam) = .438 ref(beam) = .754 . Lamp 6 (880 nm): sen(beam) = .818 ref(beam) = 1.031 . Lamp 7 (950 nm): sen(beam) = 1.390 ref(beam) = 1.105 ---