21-aug-19 01:55:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 1.75 hours . Total airflow this filter = .23 cubic meters . Mean BC concentration of all lamps = 3518 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .794 sen(zero) = 0.021 . ref(beam) = 2.235 ref(zero) = 0.021 . Optical attenuation of filter deposit = 77 . Total aerosol black carbon on filter = 985 ng Mean aerosol black carbon concentration = 4468 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 88 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .801 sen(zero) = 0.021 . ref(beam) = 2.403 ref(zero) = 0.021 . Optical attenuation of filter deposit = 54 . Total aerosol black carbon on filter = 877 ng Mean aerosol black carbon concentration = 3978 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 116 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.191 sen(zero) = 0.021 . ref(beam) = 1.595 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 791 ng Mean aerosol black carbon concentration = 3588 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 139 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .850 sen(zero) = 0.021 . ref(beam) = 2.171 ref(zero) = 0.021 . Optical attenuation of filter deposit = 37 . Total aerosol black carbon on filter = 761 ng Mean aerosol black carbon concentration = 3451 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 188 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .312 sen(zero) = 0.021 . ref(beam) = .754 ref(zero) = 0.021 . Optical attenuation of filter deposit = 32 . Total aerosol black carbon on filter = 743 ng Mean aerosol black carbon concentration = 3370 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 85 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .652 sen(zero) = 0.021 . ref(beam) = 1.035 ref(zero) = 0.021 . Optical attenuation of filter deposit = 21 . Total aerosol black carbon on filter = 657 ng Mean aerosol black carbon concentration = 2983 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 133 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.143 sen(zero) = 0.021 . ref(beam) = 1.110 ref(zero) = 0.021 . Optical attenuation of filter deposit = 18 . Total aerosol black carbon on filter = 614 ng Mean aerosol black carbon concentration = 2785 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 157 ppm. --- Disk space = 2.536366E+08 bytes free: One entry at every 10 minutes. There is space for 107839 hours ( 4493 days) more data --- 21-aug-19 01:55:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 21-aug-19 02:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.757 ref(beam) = 2.225 . Lamp 2 (470 nm): sen(beam) = 1.399 ref(beam) = 2.366 . Lamp 3 (520 nm): sen(beam) = 1.882 ref(beam) = 1.582 . Lamp 4 (590 nm): sen(beam) = 1.207 ref(beam) = 2.082 . Lamp 5 (660 nm): sen(beam) = .430 ref(beam) = .736 . Lamp 6 (880 nm): sen(beam) = .805 ref(beam) = 1.018 . Lamp 7 (950 nm): sen(beam) = 1.371 ref(beam) = 1.081 --- 21-aug-19 04:25:00 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 = 3104 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .723 sen(zero) = 0.021 . ref(beam) = 2.241 ref(zero) = 0.021 . Optical attenuation of filter deposit = 77 . Total aerosol black carbon on filter = 979 ng Mean aerosol black carbon concentration = 3777 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 62 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .742 sen(zero) = 0.021 . ref(beam) = 2.368 ref(zero) = 0.021 . Optical attenuation of filter deposit = 55 . Total aerosol black carbon on filter = 897 ng Mean aerosol black carbon concentration = 3463 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 69 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.112 sen(zero) = 0.021 . ref(beam) = 1.582 ref(zero) = 0.021 . Optical attenuation of filter deposit = 46 . Total aerosol black carbon on filter = 821 ng Mean aerosol black carbon concentration = 3171 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 47 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .806 sen(zero) = 0.021 . ref(beam) = 2.163 ref(zero) = 0.021 . Optical attenuation of filter deposit = 39 . Total aerosol black carbon on filter = 796 ng Mean aerosol black carbon concentration = 3071 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 394 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .298 sen(zero) = 0.021 . ref(beam) = .739 ref(zero) = 0.021 . Optical attenuation of filter deposit = 34 . Total aerosol black carbon on filter = 780 ng Mean aerosol black carbon concentration = 3011 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 104 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .629 sen(zero) = 0.021 . ref(beam) = 1.028 ref(zero) = 0.021 . Optical attenuation of filter deposit = 23 . Total aerosol black carbon on filter = 701 ng Mean aerosol black carbon concentration = 2707 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 176 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.109 sen(zero) = 0.021 . ref(beam) = 1.095 ref(zero) = 0.021 . Optical attenuation of filter deposit = 20 . Total aerosol black carbon on filter = 656 ng Mean aerosol black carbon concentration = 2532 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 214 ppm. --- Disk space = 2.536284E+08 bytes free: One entry at every 10 minutes. There is space for 107835 hours ( 4493 days) more data --- 21-aug-19 04:25:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 21-aug-19 04:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.794 ref(beam) = 2.269 . Lamp 2 (470 nm): sen(beam) = 1.409 ref(beam) = 2.416 . Lamp 3 (520 nm): sen(beam) = 1.901 ref(beam) = 1.619 . Lamp 4 (590 nm): sen(beam) = 1.217 ref(beam) = 2.144 . Lamp 5 (660 nm): sen(beam) = .431 ref(beam) = .754 . Lamp 6 (880 nm): sen(beam) = .808 ref(beam) = 1.043 . Lamp 7 (950 nm): sen(beam) = 1.375 ref(beam) = 1.103 --- 21-aug-19 07:05:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 2.25 hours . Total airflow this filter = .29 cubic meters . Mean BC concentration of all lamps = 2930 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .729 sen(zero) = 0.021 . ref(beam) = 2.288 ref(zero) = 0.021 . Optical attenuation of filter deposit = 80 . Total aerosol black carbon on filter = 1013 ng Mean aerosol black carbon concentration = 3564 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 87 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .740 sen(zero) = 0.021 . ref(beam) = 2.421 ref(zero) = 0.021 . Optical attenuation of filter deposit = 57 . Total aerosol black carbon on filter = 929 ng Mean aerosol black carbon concentration = 3267 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 42 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.113 sen(zero) = 0.021 . ref(beam) = 1.619 ref(zero) = 0.021 . Optical attenuation of filter deposit = 47 . Total aerosol black carbon on filter = 851 ng Mean aerosol black carbon concentration = 2993 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 44 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .809 sen(zero) = 0.021 . ref(beam) = 2.237 ref(zero) = 0.021 . Optical attenuation of filter deposit = 41 . Total aerosol black carbon on filter = 827 ng Mean aerosol black carbon concentration = 2908 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 499 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .296 sen(zero) = 0.021 . ref(beam) = .758 ref(zero) = 0.021 . Optical attenuation of filter deposit = 35 . Total aerosol black carbon on filter = 808 ng Mean aerosol black carbon concentration = 2842 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 145 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .630 sen(zero) = 0.021 . ref(beam) = 1.055 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 725 ng Mean aerosol black carbon concentration = 2549 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 232 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.111 sen(zero) = 0.021 . ref(beam) = 1.120 ref(zero) = 0.021 . Optical attenuation of filter deposit = 20 . Total aerosol black carbon on filter = 678 ng Mean aerosol black carbon concentration = 2387 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 280 ppm. --- Disk space = 2.536161E+08 bytes free: One entry at every 10 minutes. There is space for 107830 hours ( 4493 days) more data --- 21-aug-19 07:05:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 21-aug-19 07:29:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.819 ref(beam) = 2.144 . Lamp 2 (470 nm): sen(beam) = 1.424 ref(beam) = 2.275 . Lamp 3 (520 nm): sen(beam) = 1.917 ref(beam) = 1.529 . Lamp 4 (590 nm): sen(beam) = 1.242 ref(beam) = 2.041 . Lamp 5 (660 nm): sen(beam) = .435 ref(beam) = .712 . Lamp 6 (880 nm): sen(beam) = .826 ref(beam) = .991 . Lamp 7 (950 nm): sen(beam) = 1.402 ref(beam) = 1.049 --- 21-aug-19 09:35:00 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 = 2987 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .759 sen(zero) = 0.021 . ref(beam) = 2.154 ref(zero) = 0.021 . Optical attenuation of filter deposit = 76 . Total aerosol black carbon on filter = 964 ng Mean aerosol black carbon concentration = 3628 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 150 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .759 sen(zero) = 0.021 . ref(beam) = 2.276 ref(zero) = 0.021 . Optical attenuation of filter deposit = 55 . Total aerosol black carbon on filter = 889 ng Mean aerosol black carbon concentration = 3347 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 72 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.138 sen(zero) = 0.021 . ref(beam) = 1.527 ref(zero) = 0.021 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 813 ng Mean aerosol black carbon concentration = 3062 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 89 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .826 sen(zero) = 0.021 . ref(beam) = 2.101 ref(zero) = 0.021 . Optical attenuation of filter deposit = 39 . Total aerosol black carbon on filter = 787 ng Mean aerosol black carbon concentration = 2964 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 325 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .301 sen(zero) = 0.021 . ref(beam) = .713 ref(zero) = 0.021 . Optical attenuation of filter deposit = 34 . Total aerosol black carbon on filter = 771 ng Mean aerosol black carbon concentration = 2902 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 166 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .646 sen(zero) = 0.021 . ref(beam) = .996 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 687 ng Mean aerosol black carbon concentration = 2588 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 193 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.133 sen(zero) = 0.021 . ref(beam) = 1.056 ref(zero) = 0.021 . Optical attenuation of filter deposit = 19 . Total aerosol black carbon on filter = 641 ng Mean aerosol black carbon concentration = 2416 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 225 ppm. --- Disk space = 2.536079E+08 bytes free: One entry at every 10 minutes. There is space for 107827 hours ( 4493 days) more data --- 21-aug-19 09:35:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 21-aug-19 09:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.687 ref(beam) = 2.226 . Lamp 2 (470 nm): sen(beam) = 1.318 ref(beam) = 2.377 . Lamp 3 (520 nm): sen(beam) = 1.784 ref(beam) = 1.583 . Lamp 4 (590 nm): sen(beam) = 1.144 ref(beam) = 2.114 . Lamp 5 (660 nm): sen(beam) = .403 ref(beam) = .743 . Lamp 6 (880 nm): sen(beam) = .761 ref(beam) = 1.023 . Lamp 7 (950 nm): sen(beam) = 1.286 ref(beam) = 1.087 --- 21-aug-19 12:35:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 2.58 hours . Total airflow this filter = .33 cubic meters . Mean BC concentration of all lamps = 2630 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .703 sen(zero) = 0.021 . ref(beam) = 2.247 ref(zero) = 0.021 . Optical attenuation of filter deposit = 78 . Total aerosol black carbon on filter = 995 ng Mean aerosol black carbon concentration = 3037 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 275 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .686 sen(zero) = 0.021 . ref(beam) = 2.381 ref(zero) = 0.021 . Optical attenuation of filter deposit = 59 . Total aerosol black carbon on filter = 949 ng Mean aerosol black carbon concentration = 2898 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 294 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.030 sen(zero) = 0.021 . ref(beam) = 1.583 ref(zero) = 0.021 . Optical attenuation of filter deposit = 49 . Total aerosol black carbon on filter = 882 ng Mean aerosol black carbon concentration = 2692 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 468 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .751 sen(zero) = 0.021 . ref(beam) = 2.213 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 864 ng Mean aerosol black carbon concentration = 2638 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 568 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .274 sen(zero) = 0.021 . ref(beam) = .749 ref(zero) = 0.021 . Optical attenuation of filter deposit = 37 . Total aerosol black carbon on filter = 851 ng Mean aerosol black carbon concentration = 2599 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 410 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .587 sen(zero) = 0.021 . ref(beam) = 1.037 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 768 ng Mean aerosol black carbon concentration = 2343 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 645 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.030 sen(zero) = 0.021 . ref(beam) = 1.107 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 721 ng Mean aerosol black carbon concentration = 2201 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 465 ppm. --- Disk space = 2.535997E+08 bytes free: One entry at every 10 minutes. There is space for 107823 hours ( 4493 days) more data --- 21-aug-19 12:35:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 21-aug-19 12:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.838 ref(beam) = 2.282 . Lamp 2 (470 nm): sen(beam) = 1.443 ref(beam) = 2.475 . Lamp 3 (520 nm): sen(beam) = 1.943 ref(beam) = 1.637 . Lamp 4 (590 nm): sen(beam) = 1.262 ref(beam) = 2.195 . Lamp 5 (660 nm): sen(beam) = .442 ref(beam) = .781 . Lamp 6 (880 nm): sen(beam) = .829 ref(beam) = 1.066 . Lamp 7 (950 nm): sen(beam) = 1.413 ref(beam) = 1.146 --- 21-aug-19 15:55:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 2.91 hours . Total airflow this filter = .37 cubic meters . Mean BC concentration of all lamps = 2428 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .799 sen(zero) = 0.021 . ref(beam) = 2.295 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 956 ng Mean aerosol black carbon concentration = 2611 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 817 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .754 sen(zero) = 0.021 . ref(beam) = 2.473 ref(zero) = 0.021 . Optical attenuation of filter deposit = 59 . Total aerosol black carbon on filter = 953 ng Mean aerosol black carbon concentration = 2603 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 878 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.111 sen(zero) = 0.021 . ref(beam) = 1.634 ref(zero) = 0.021 . Optical attenuation of filter deposit = 50 . Total aerosol black carbon on filter = 906 ng Mean aerosol black carbon concentration = 2475 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 851 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .810 sen(zero) = 0.021 . ref(beam) = 2.279 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 901 ng Mean aerosol black carbon concentration = 2461 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 904 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .294 sen(zero) = 0.021 . ref(beam) = .783 ref(zero) = 0.021 . Optical attenuation of filter deposit = 39 . Total aerosol black carbon on filter = 898 ng Mean aerosol black carbon concentration = 2452 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 856 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .626 sen(zero) = 0.021 . ref(beam) = 1.076 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 828 ng Mean aerosol black carbon concentration = 2261 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1040 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.107 sen(zero) = 0.021 . ref(beam) = 1.161 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 781 ng Mean aerosol black carbon concentration = 2134 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1140 ppm. --- Disk space = 2.535875E+08 bytes free: One entry at every 10 minutes. There is space for 107818 hours ( 4492 days) more data --- 21-aug-19 15:55:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 21-aug-19 16:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.880 ref(beam) = 2.161 . Lamp 2 (470 nm): sen(beam) = 1.482 ref(beam) = 2.303 . Lamp 3 (520 nm): sen(beam) = 1.992 ref(beam) = 1.537 . Lamp 4 (590 nm): sen(beam) = 1.303 ref(beam) = 2.079 . Lamp 5 (660 nm): sen(beam) = .455 ref(beam) = .725 . Lamp 6 (880 nm): sen(beam) = .853 ref(beam) = .998 . Lamp 7 (950 nm): sen(beam) = 1.456 ref(beam) = 1.063 --- 21-aug-19 19:35:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 3.24 hours . Total airflow this filter = .43 cubic meters . Mean BC concentration of all lamps = 2158 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .817 sen(zero) = 0.021 . ref(beam) = 2.173 ref(zero) = 0.021 . Optical attenuation of filter deposit = 76 . Total aerosol black carbon on filter = 972 ng Mean aerosol black carbon concentration = 2298 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 713 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .770 sen(zero) = 0.021 . ref(beam) = 2.303 ref(zero) = 0.021 . Optical attenuation of filter deposit = 60 . Total aerosol black carbon on filter = 974 ng Mean aerosol black carbon concentration = 2303 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 661 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.129 sen(zero) = 0.021 . ref(beam) = 1.534 ref(zero) = 0.021 . Optical attenuation of filter deposit = 52 . Total aerosol black carbon on filter = 930 ng Mean aerosol black carbon concentration = 2200 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 794 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .824 sen(zero) = 0.021 . ref(beam) = 2.146 ref(zero) = 0.021 . Optical attenuation of filter deposit = 46 . Total aerosol black carbon on filter = 928 ng Mean aerosol black carbon concentration = 2195 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 760 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .299 sen(zero) = 0.021 . ref(beam) = .726 ref(zero) = 0.021 . Optical attenuation of filter deposit = 41 . Total aerosol black carbon on filter = 924 ng Mean aerosol black carbon concentration = 2185 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 871 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .636 sen(zero) = 0.021 . ref(beam) = 1.003 ref(zero) = 0.021 . Optical attenuation of filter deposit = 28 . Total aerosol black carbon on filter = 855 ng Mean aerosol black carbon concentration = 2022 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1013 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.129 sen(zero) = 0.021 . ref(beam) = 1.071 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 803 ng Mean aerosol black carbon concentration = 1899 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 841 ppm. --- Disk space = 2.535793E+08 bytes free: One entry at every 10 minutes. There is space for 107814 hours ( 4492 days) more data --- 21-aug-19 19:35:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 21-aug-19 19:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.761 ref(beam) = 2.247 . Lamp 2 (470 nm): sen(beam) = 1.356 ref(beam) = 2.371 . Lamp 3 (520 nm): sen(beam) = 1.830 ref(beam) = 1.579 . Lamp 4 (590 nm): sen(beam) = 1.198 ref(beam) = 2.143 . Lamp 5 (660 nm): sen(beam) = .414 ref(beam) = .742 . Lamp 6 (880 nm): sen(beam) = .784 ref(beam) = 1.025 . Lamp 7 (950 nm): sen(beam) = 1.323 ref(beam) = 1.086 --- 21-aug-19 23:15:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 3.24 hours . Total airflow this filter = .42 cubic meters . Mean BC concentration of all lamps = 2209 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .769 sen(zero) = 0.021 . ref(beam) = 2.254 ref(zero) = 0.021 . Optical attenuation of filter deposit = 76 . Total aerosol black carbon on filter = 972 ng Mean aerosol black carbon concentration = 2339 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 379 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .705 sen(zero) = 0.021 . ref(beam) = 2.368 ref(zero) = 0.021 . Optical attenuation of filter deposit = 60 . Total aerosol black carbon on filter = 978 ng Mean aerosol black carbon concentration = 2354 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 428 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.036 sen(zero) = 0.021 . ref(beam) = 1.575 ref(zero) = 0.021 . Optical attenuation of filter deposit = 52 . Total aerosol black carbon on filter = 936 ng Mean aerosol black carbon concentration = 2252 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 503 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .751 sen(zero) = 0.021 . ref(beam) = 2.195 ref(zero) = 0.021 . Optical attenuation of filter deposit = 46 . Total aerosol black carbon on filter = 932 ng Mean aerosol black carbon concentration = 2243 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 690 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .271 sen(zero) = 0.021 . ref(beam) = .741 ref(zero) = 0.021 . Optical attenuation of filter deposit = 41 . Total aerosol black carbon on filter = 929 ng Mean aerosol black carbon concentration = 2236 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 466 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .582 sen(zero) = 0.021 . ref(beam) = 1.028 ref(zero) = 0.021 . Optical attenuation of filter deposit = 28 . Total aerosol black carbon on filter = 865 ng Mean aerosol black carbon concentration = 2080 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 534 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.019 sen(zero) = 0.021 . ref(beam) = 1.091 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 814 ng Mean aerosol black carbon concentration = 1957 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 529 ppm. --- Disk space = 2.53567E+08 bytes free: One entry at every 10 minutes. There is space for 107809 hours ( 4492 days) more data --- 21-aug-19 23:15:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 21-aug-19 23:39:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.895 ref(beam) = 2.298 . Lamp 2 (470 nm): sen(beam) = 1.461 ref(beam) = 2.445 . Lamp 3 (520 nm): sen(beam) = 1.962 ref(beam) = 1.631 . Lamp 4 (590 nm): sen(beam) = 1.266 ref(beam) = 2.177 . Lamp 5 (660 nm): sen(beam) = .442 ref(beam) = .765 . Lamp 6 (880 nm): sen(beam) = .831 ref(beam) = 1.054 . Lamp 7 (950 nm): sen(beam) = 1.411 ref(beam) = 1.125 ---