20-sep-17 00:55:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = .74 hours . Total airflow this filter = .08 cubic meters . Mean BC concentration of all lamps = 8638 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .391 sen(zero) = 0.021 . ref(beam) = 2.098 ref(zero) = 0.021 . Optical attenuation of filter deposit = 89 . Total aerosol black carbon on filter = 1130 ng Mean aerosol black carbon concentration = 14732 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 590 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .644 sen(zero) = 0.021 . ref(beam) = 2.324 ref(zero) = 0.021 . Optical attenuation of filter deposit = 50 . Total aerosol black carbon on filter = 811 ng Mean aerosol black carbon concentration = 10582 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 54 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .994 sen(zero) = 0.021 . ref(beam) = 1.575 ref(zero) = 0.021 . Optical attenuation of filter deposit = 36 . Total aerosol black carbon on filter = 657 ng Mean aerosol black carbon concentration = 8573 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 95 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .683 sen(zero) = 0.021 . ref(beam) = 1.886 ref(zero) = 0.021 . Optical attenuation of filter deposit = 29 . Total aerosol black carbon on filter = 588 ng Mean aerosol black carbon concentration = 7676 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1472 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .314 sen(zero) = 0.021 . ref(beam) = .790 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 551 ng Mean aerosol black carbon concentration = 7187 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 498 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .586 sen(zero) = 0.021 . ref(beam) = .979 ref(zero) = 0.021 . Optical attenuation of filter deposit = 15 . Total aerosol black carbon on filter = 466 ng Mean aerosol black carbon concentration = 6075 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 858 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .997 sen(zero) = 0.021 . ref(beam) = 1.007 ref(zero) = 0.021 . Optical attenuation of filter deposit = 13 . Total aerosol black carbon on filter = 432 ng Mean aerosol black carbon concentration = 5639 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 943 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-sep-17 00:55:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 20-sep-17 01:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.185 ref(beam) = 2.071 . Lamp 2 (470 nm): sen(beam) = 1.199 ref(beam) = 2.323 . Lamp 3 (520 nm): sen(beam) = 1.566 ref(beam) = 1.577 . Lamp 4 (590 nm): sen(beam) = .942 ref(beam) = 1.830 . Lamp 5 (660 nm): sen(beam) = .416 ref(beam) = .790 . Lamp 6 (880 nm): sen(beam) = .698 ref(beam) = .975 . Lamp 7 (950 nm): sen(beam) = 1.155 ref(beam) = 1.000 --- 20-sep-17 01:45:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = .41 hours . Total airflow this filter = .04 cubic meters . Mean BC concentration of all lamps = 17407 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .270 sen(zero) = 0.021 . ref(beam) = 2.090 ref(zero) = 0.021 . Optical attenuation of filter deposit = 90 . Total aerosol black carbon on filter = 1148 ng Mean aerosol black carbon concentration = 29850 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 597 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .534 sen(zero) = 0.021 . ref(beam) = 2.326 ref(zero) = 0.021 . Optical attenuation of filter deposit = 51 . Total aerosol black carbon on filter = 832 ng Mean aerosol black carbon concentration = 21642 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 335 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .883 sen(zero) = 0.021 . ref(beam) = 1.577 ref(zero) = 0.021 . Optical attenuation of filter deposit = 37 . Total aerosol black carbon on filter = 660 ng Mean aerosol black carbon concentration = 17174 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 343 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .633 sen(zero) = 0.021 . ref(beam) = 1.904 ref(zero) = 0.021 . Optical attenuation of filter deposit = 29 . Total aerosol black carbon on filter = 586 ng Mean aerosol black carbon concentration = 15239 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1601 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .295 sen(zero) = 0.021 . ref(beam) = .793 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 546 ng Mean aerosol black carbon concentration = 14215 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 588 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .562 sen(zero) = 0.021 . ref(beam) = .985 ref(zero) = 0.021 . Optical attenuation of filter deposit = 15 . Total aerosol black carbon on filter = 470 ng Mean aerosol black carbon concentration = 12226 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 975 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .959 sen(zero) = 0.021 . ref(beam) = 1.012 ref(zero) = 0.021 . Optical attenuation of filter deposit = 13 . Total aerosol black carbon on filter = 442 ng Mean aerosol black carbon concentration = 11499 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1086 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-sep-17 01:45:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 20-sep-17 02:09:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = .800 ref(beam) = 2.090 . Lamp 2 (470 nm): sen(beam) = 1.003 ref(beam) = 2.353 . Lamp 3 (520 nm): sen(beam) = 1.390 ref(beam) = 1.597 . Lamp 4 (590 nm): sen(beam) = .868 ref(beam) = 1.856 . Lamp 5 (660 nm): sen(beam) = .390 ref(beam) = .801 . Lamp 6 (880 nm): sen(beam) = .667 ref(beam) = .988 . Lamp 7 (950 nm): sen(beam) = 1.110 ref(beam) = 1.016 --- 20-sep-17 02:35:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = .41 hours . Total airflow this filter = .04 cubic meters . Mean BC concentration of all lamps = 18620 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .153 sen(zero) = 0.021 . ref(beam) = 2.109 ref(zero) = 0.021 . Optical attenuation of filter deposit = 82 . Total aerosol black carbon on filter = 1044 ng Mean aerosol black carbon concentration = 27154 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 341 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .359 sen(zero) = 0.021 . ref(beam) = 2.355 ref(zero) = 0.021 . Optical attenuation of filter deposit = 55 . Total aerosol black carbon on filter = 886 ng Mean aerosol black carbon concentration = 23051 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 404 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .659 sen(zero) = 0.021 . ref(beam) = 1.597 ref(zero) = 0.021 . Optical attenuation of filter deposit = 40 . Total aerosol black carbon on filter = 729 ng Mean aerosol black carbon concentration = 18962 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 345 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .509 sen(zero) = 0.021 . ref(beam) = 1.931 ref(zero) = 0.021 . Optical attenuation of filter deposit = 32 . Total aerosol black carbon on filter = 659 ng Mean aerosol black carbon concentration = 17144 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1556 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .247 sen(zero) = 0.021 . ref(beam) = .805 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 622 ng Mean aerosol black carbon concentration = 16180 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 561 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .497 sen(zero) = 0.021 . ref(beam) = .998 ref(zero) = 0.021 . Optical attenuation of filter deposit = 18 . Total aerosol black carbon on filter = 549 ng Mean aerosol black carbon concentration = 14294 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 929 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .859 sen(zero) = 0.021 . ref(beam) = 1.029 ref(zero) = 0.021 . Optical attenuation of filter deposit = 16 . Total aerosol black carbon on filter = 521 ng Mean aerosol black carbon concentration = 13556 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1067 ppm. --- Disk space = 2.536407E+08 bytes free: One entry at every 10 minutes. There is space for 107840 hours ( 4493 days) more data --- 20-sep-17 02:35:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 20-sep-17 02:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = .762 ref(beam) = 2.090 . Lamp 2 (470 nm): sen(beam) = .971 ref(beam) = 2.340 . Lamp 3 (520 nm): sen(beam) = 1.358 ref(beam) = 1.598 . Lamp 4 (590 nm): sen(beam) = .864 ref(beam) = 1.873 . Lamp 5 (660 nm): sen(beam) = .386 ref(beam) = .798 . Lamp 6 (880 nm): sen(beam) = .666 ref(beam) = .993 . Lamp 7 (950 nm): sen(beam) = 1.109 ref(beam) = 1.019 --- 20-sep-17 03:25:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = .41 hours . Total airflow this filter = .04 cubic meters . Mean BC concentration of all lamps = 19830 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .141 sen(zero) = 0.021 . ref(beam) = 2.106 ref(zero) = 0.021 . Optical attenuation of filter deposit = 85 . Total aerosol black carbon on filter = 1083 ng Mean aerosol black carbon concentration = 28148 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 506 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .328 sen(zero) = 0.021 . ref(beam) = 2.341 ref(zero) = 0.021 . Optical attenuation of filter deposit = 58 . Total aerosol black carbon on filter = 943 ng Mean aerosol black carbon concentration = 24521 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 508 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .614 sen(zero) = 0.021 . ref(beam) = 1.596 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 779 ng Mean aerosol black carbon concentration = 20267 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 478 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .487 sen(zero) = 0.021 . ref(beam) = 1.948 ref(zero) = 0.021 . Optical attenuation of filter deposit = 35 . Total aerosol black carbon on filter = 709 ng Mean aerosol black carbon concentration = 18432 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1571 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .238 sen(zero) = 0.021 . ref(beam) = .802 ref(zero) = 0.021 . Optical attenuation of filter deposit = 29 . Total aerosol black carbon on filter = 669 ng Mean aerosol black carbon concentration = 17402 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 532 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .486 sen(zero) = 0.021 . ref(beam) = 1.002 ref(zero) = 0.021 . Optical attenuation of filter deposit = 19 . Total aerosol black carbon on filter = 592 ng Mean aerosol black carbon concentration = 15400 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 965 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .843 sen(zero) = 0.021 . ref(beam) = 1.031 ref(zero) = 0.021 . Optical attenuation of filter deposit = 17 . Total aerosol black carbon on filter = 563 ng Mean aerosol black carbon concentration = 14639 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1105 ppm. --- Disk space = 2.536366E+08 bytes free: One entry at every 10 minutes. There is space for 107839 hours ( 4493 days) more data --- 20-sep-17 03:25:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 20-sep-17 03:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = .757 ref(beam) = 2.052 . Lamp 2 (470 nm): sen(beam) = .967 ref(beam) = 2.283 . Lamp 3 (520 nm): sen(beam) = 1.354 ref(beam) = 1.575 . Lamp 4 (590 nm): sen(beam) = .866 ref(beam) = 1.865 . Lamp 5 (660 nm): sen(beam) = .386 ref(beam) = .781 . Lamp 6 (880 nm): sen(beam) = .670 ref(beam) = .985 . Lamp 7 (950 nm): sen(beam) = 1.116 ref(beam) = 1.004 --- 20-sep-17 04:15:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = .41 hours . Total airflow this filter = .04 cubic meters . Mean BC concentration of all lamps = 19221 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .143 sen(zero) = 0.021 . ref(beam) = 2.067 ref(zero) = 0.021 . Optical attenuation of filter deposit = 83 . Total aerosol black carbon on filter = 1057 ng Mean aerosol black carbon concentration = 27468 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 463 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .332 sen(zero) = 0.021 . ref(beam) = 2.284 ref(zero) = 0.021 . Optical attenuation of filter deposit = 57 . Total aerosol black carbon on filter = 918 ng Mean aerosol black carbon concentration = 23869 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 423 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .621 sen(zero) = 0.021 . ref(beam) = 1.573 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 757 ng Mean aerosol black carbon concentration = 19683 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 374 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .495 sen(zero) = 0.021 . ref(beam) = 1.939 ref(zero) = 0.021 . Optical attenuation of filter deposit = 34 . Total aerosol black carbon on filter = 685 ng Mean aerosol black carbon concentration = 17820 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1527 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .240 sen(zero) = 0.021 . ref(beam) = .785 ref(zero) = 0.021 . Optical attenuation of filter deposit = 28 . Total aerosol black carbon on filter = 647 ng Mean aerosol black carbon concentration = 16833 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 625 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .493 sen(zero) = 0.021 . ref(beam) = .994 ref(zero) = 0.021 . Optical attenuation of filter deposit = 18 . Total aerosol black carbon on filter = 570 ng Mean aerosol black carbon concentration = 14822 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 879 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .855 sen(zero) = 0.021 . ref(beam) = 1.016 ref(zero) = 0.021 . Optical attenuation of filter deposit = 16 . Total aerosol black carbon on filter = 541 ng Mean aerosol black carbon concentration = 14056 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1028 ppm. --- Disk space = 2.536284E+08 bytes free: One entry at every 10 minutes. There is space for 107835 hours ( 4493 days) more data --- 20-sep-17 04:15:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 20-sep-17 04:39:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = .768 ref(beam) = 2.072 . Lamp 2 (470 nm): sen(beam) = .961 ref(beam) = 2.330 . Lamp 3 (520 nm): sen(beam) = 1.337 ref(beam) = 1.606 . Lamp 4 (590 nm): sen(beam) = .860 ref(beam) = 1.906 . Lamp 5 (660 nm): sen(beam) = .382 ref(beam) = .800 . Lamp 6 (880 nm): sen(beam) = .658 ref(beam) = 1.005 . Lamp 7 (950 nm): sen(beam) = 1.098 ref(beam) = 1.029 --- 20-sep-17 05:05:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = .41 hours . Total airflow this filter = .04 cubic meters . Mean BC concentration of all lamps = 18228 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .154 sen(zero) = 0.021 . ref(beam) = 2.086 ref(zero) = 0.021 . Optical attenuation of filter deposit = 80 . Total aerosol black carbon on filter = 1022 ng Mean aerosol black carbon concentration = 26376 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 378 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .345 sen(zero) = 0.021 . ref(beam) = 2.331 ref(zero) = 0.021 . Optical attenuation of filter deposit = 54 . Total aerosol black carbon on filter = 882 ng Mean aerosol black carbon concentration = 22763 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 486 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .635 sen(zero) = 0.021 . ref(beam) = 1.605 ref(zero) = 0.021 . Optical attenuation of filter deposit = 40 . Total aerosol black carbon on filter = 725 ng Mean aerosol black carbon concentration = 18726 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 352 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .506 sen(zero) = 0.021 . ref(beam) = 1.982 ref(zero) = 0.021 . Optical attenuation of filter deposit = 32 . Total aerosol black carbon on filter = 653 ng Mean aerosol black carbon concentration = 16849 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1529 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .244 sen(zero) = 0.021 . ref(beam) = .803 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 615 ng Mean aerosol black carbon concentration = 15876 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 623 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .493 sen(zero) = 0.021 . ref(beam) = 1.014 ref(zero) = 0.021 . Optical attenuation of filter deposit = 17 . Total aerosol black carbon on filter = 537 ng Mean aerosol black carbon concentration = 13876 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 933 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .855 sen(zero) = 0.021 . ref(beam) = 1.042 ref(zero) = 0.021 . Optical attenuation of filter deposit = 15 . Total aerosol black carbon on filter = 509 ng Mean aerosol black carbon concentration = 13132 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1110 ppm. --- Disk space = 2.536243E+08 bytes free: One entry at every 10 minutes. There is space for 107833 hours ( 4493 days) more data --- 20-sep-17 05:05:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 20-sep-17 05:29:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = .805 ref(beam) = 2.072 . Lamp 2 (470 nm): sen(beam) = .989 ref(beam) = 2.323 . Lamp 3 (520 nm): sen(beam) = 1.366 ref(beam) = 1.610 . Lamp 4 (590 nm): sen(beam) = .886 ref(beam) = 1.924 . Lamp 5 (660 nm): sen(beam) = .389 ref(beam) = .798 . Lamp 6 (880 nm): sen(beam) = .670 ref(beam) = 1.014 . Lamp 7 (950 nm): sen(beam) = 1.117 ref(beam) = 1.038 --- 20-sep-17 05:55:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = .41 hours . Total airflow this filter = .04 cubic meters . Mean BC concentration of all lamps = 17639 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .169 sen(zero) = 0.021 . ref(beam) = 2.079 ref(zero) = 0.021 . Optical attenuation of filter deposit = 77 . Total aerosol black carbon on filter = 985 ng Mean aerosol black carbon concentration = 25783 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1003 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .369 sen(zero) = 0.021 . ref(beam) = 2.321 ref(zero) = 0.021 . Optical attenuation of filter deposit = 52 . Total aerosol black carbon on filter = 845 ng Mean aerosol black carbon concentration = 22122 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 868 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .664 sen(zero) = 0.021 . ref(beam) = 1.607 ref(zero) = 0.021 . Optical attenuation of filter deposit = 39 . Total aerosol black carbon on filter = 698 ng Mean aerosol black carbon concentration = 18280 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 797 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .531 sen(zero) = 0.021 . ref(beam) = 1.996 ref(zero) = 0.021 . Optical attenuation of filter deposit = 31 . Total aerosol black carbon on filter = 626 ng Mean aerosol black carbon concentration = 16398 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1325 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .253 sen(zero) = 0.021 . ref(beam) = .801 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 585 ng Mean aerosol black carbon concentration = 15316 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 405 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .510 sen(zero) = 0.021 . ref(beam) = 1.023 ref(zero) = 0.021 . Optical attenuation of filter deposit = 16 . Total aerosol black carbon on filter = 503 ng Mean aerosol black carbon concentration = 13177 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 734 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .883 sen(zero) = 0.021 . ref(beam) = 1.049 ref(zero) = 0.021 . Optical attenuation of filter deposit = 14 . Total aerosol black carbon on filter = 474 ng Mean aerosol black carbon concentration = 12400 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 901 ppm. --- Disk space = 2.536202E+08 bytes free: One entry at every 10 minutes. There is space for 107832 hours ( 4493 days) more data --- 20-sep-17 05:55:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 20-sep-17 06:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = .847 ref(beam) = 2.054 . Lamp 2 (470 nm): sen(beam) = 1.000 ref(beam) = 2.304 . Lamp 3 (520 nm): sen(beam) = 1.370 ref(beam) = 1.584 . Lamp 4 (590 nm): sen(beam) = .894 ref(beam) = 1.910 . Lamp 5 (660 nm): sen(beam) = .390 ref(beam) = .795 . Lamp 6 (880 nm): sen(beam) = .674 ref(beam) = .999 . Lamp 7 (950 nm): sen(beam) = 1.121 ref(beam) = 1.026 --- 20-sep-17 06:55:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = .58 hours . Total airflow this filter = .06 cubic meters . Mean BC concentration of all lamps = 14499 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .162 sen(zero) = 0.021 . ref(beam) = 2.064 ref(zero) = 0.021 . Optical attenuation of filter deposit = 94 . Total aerosol black carbon on filter = 1202 ng Mean aerosol black carbon concentration = 20900 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 309 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .344 sen(zero) = 0.021 . ref(beam) = 2.302 ref(zero) = 0.021 . Optical attenuation of filter deposit = 64 . Total aerosol black carbon on filter = 1041 ng Mean aerosol black carbon concentration = 18110 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 516 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .621 sen(zero) = 0.021 . ref(beam) = 1.582 ref(zero) = 0.021 . Optical attenuation of filter deposit = 48 . Total aerosol black carbon on filter = 869 ng Mean aerosol black carbon concentration = 15114 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 386 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .506 sen(zero) = 0.021 . ref(beam) = 1.981 ref(zero) = 0.021 . Optical attenuation of filter deposit = 38 . Total aerosol black carbon on filter = 783 ng Mean aerosol black carbon concentration = 13617 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1003 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .242 sen(zero) = 0.021 . ref(beam) = .797 ref(zero) = 0.021 . Optical attenuation of filter deposit = 32 . Total aerosol black carbon on filter = 730 ng Mean aerosol black carbon concentration = 12700 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 106 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .498 sen(zero) = 0.021 . ref(beam) = 1.007 ref(zero) = 0.021 . Optical attenuation of filter deposit = 20 . Total aerosol black carbon on filter = 625 ng Mean aerosol black carbon concentration = 10871 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 562 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .864 sen(zero) = 0.021 . ref(beam) = 1.037 ref(zero) = 0.021 . Optical attenuation of filter deposit = 18 . Total aerosol black carbon on filter = 585 ng Mean aerosol black carbon concentration = 10182 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 645 ppm. --- Disk space = 2.536161E+08 bytes free: One entry at every 10 minutes. There is space for 107830 hours ( 4493 days) more data --- 20-sep-17 06:55:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 20-sep-17 07:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.004 ref(beam) = 2.131 . Lamp 2 (470 nm): sen(beam) = 1.072 ref(beam) = 2.367 . Lamp 3 (520 nm): sen(beam) = 1.437 ref(beam) = 1.629 . Lamp 4 (590 nm): sen(beam) = .926 ref(beam) = 1.967 . Lamp 5 (660 nm): sen(beam) = .398 ref(beam) = .815 . Lamp 6 (880 nm): sen(beam) = .681 ref(beam) = 1.027 . Lamp 7 (950 nm): sen(beam) = 1.130 ref(beam) = 1.053 --- 20-sep-17 07:55:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = .58 hours . Total airflow this filter = .06 cubic meters . Mean BC concentration of all lamps = 11539 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .265 sen(zero) = 0.021 . ref(beam) = 2.139 ref(zero) = 0.021 . Optical attenuation of filter deposit = 77 . Total aerosol black carbon on filter = 982 ng Mean aerosol black carbon concentration = 17132 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 505 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .467 sen(zero) = 0.021 . ref(beam) = 2.365 ref(zero) = 0.021 . Optical attenuation of filter deposit = 50 . Total aerosol black carbon on filter = 819 ng Mean aerosol black carbon concentration = 14295 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 561 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .776 sen(zero) = 0.021 . ref(beam) = 1.626 ref(zero) = 0.021 . Optical attenuation of filter deposit = 38 . Total aerosol black carbon on filter = 682 ng Mean aerosol black carbon concentration = 11903 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 482 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .596 sen(zero) = 0.021 . ref(beam) = 2.034 ref(zero) = 0.021 . Optical attenuation of filter deposit = 30 . Total aerosol black carbon on filter = 615 ng Mean aerosol black carbon concentration = 10733 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 276 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .273 sen(zero) = 0.021 . ref(beam) = .817 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 577 ng Mean aerosol black carbon concentration = 10064 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 229 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .536 sen(zero) = 0.021 . ref(beam) = 1.034 ref(zero) = 0.021 . Optical attenuation of filter deposit = 16 . Total aerosol black carbon on filter = 494 ng Mean aerosol black carbon concentration = 8617 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 290 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .921 sen(zero) = 0.021 . ref(beam) = 1.063 ref(zero) = 0.021 . Optical attenuation of filter deposit = 14 . Total aerosol black carbon on filter = 460 ng Mean aerosol black carbon concentration = 8026 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 228 ppm. --- Disk space = 2.536079E+08 bytes free: One entry at every 10 minutes. There is space for 107827 hours ( 4493 days) more data --- 20-sep-17 07:55:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 20-sep-17 08:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.200 ref(beam) = 2.143 . Lamp 2 (470 nm): sen(beam) = 1.176 ref(beam) = 2.389 . Lamp 3 (520 nm): sen(beam) = 1.539 ref(beam) = 1.630 . Lamp 4 (590 nm): sen(beam) = .979 ref(beam) = 1.964 . Lamp 5 (660 nm): sen(beam) = .418 ref(beam) = .823 . Lamp 6 (880 nm): sen(beam) = .708 ref(beam) = 1.027 . Lamp 7 (950 nm): sen(beam) = 1.173 ref(beam) = 1.058 --- 20-sep-17 09:05:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = .74 hours . Total airflow this filter = .08 cubic meters . Mean BC concentration of all lamps = 8806 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .357 sen(zero) = 0.021 . ref(beam) = 2.150 ref(zero) = 0.021 . Optical attenuation of filter deposit = 78 . Total aerosol black carbon on filter = 996 ng Mean aerosol black carbon concentration = 13116 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 452 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .557 sen(zero) = 0.021 . ref(beam) = 2.387 ref(zero) = 0.021 . Optical attenuation of filter deposit = 50 . Total aerosol black carbon on filter = 814 ng Mean aerosol black carbon concentration = 10722 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 391 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .880 sen(zero) = 0.021 . ref(beam) = 1.626 ref(zero) = 0.021 . Optical attenuation of filter deposit = 38 . Total aerosol black carbon on filter = 681 ng Mean aerosol black carbon concentration = 8960 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 450 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .651 sen(zero) = 0.021 . ref(beam) = 2.017 ref(zero) = 0.021 . Optical attenuation of filter deposit = 30 . Total aerosol black carbon on filter = 619 ng Mean aerosol black carbon concentration = 8154 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 697 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .294 sen(zero) = 0.021 . ref(beam) = .823 ref(zero) = 0.021 . Optical attenuation of filter deposit = 26 . Total aerosol black carbon on filter = 586 ng Mean aerosol black carbon concentration = 7719 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 444 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .563 sen(zero) = 0.021 . ref(beam) = 1.031 ref(zero) = 0.021 . Optical attenuation of filter deposit = 16 . Total aerosol black carbon on filter = 510 ng Mean aerosol black carbon concentration = 6710 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 361 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .963 sen(zero) = 0.021 . ref(beam) = 1.063 ref(zero) = 0.021 . Optical attenuation of filter deposit = 14 . Total aerosol black carbon on filter = 475 ng Mean aerosol black carbon concentration = 6258 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 280 ppm. --- Disk space = 2.536038E+08 bytes free: One entry at every 10 minutes. There is space for 107825 hours ( 4493 days) more data --- 20-sep-17 09:05:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 20-sep-17 09:29:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.401 ref(beam) = 2.104 . Lamp 2 (470 nm): sen(beam) = 1.274 ref(beam) = 2.322 . Lamp 3 (520 nm): sen(beam) = 1.624 ref(beam) = 1.603 . Lamp 4 (590 nm): sen(beam) = 1.009 ref(beam) = 1.920 . Lamp 5 (660 nm): sen(beam) = .434 ref(beam) = .797 . Lamp 6 (880 nm): sen(beam) = .719 ref(beam) = 1.007 . Lamp 7 (950 nm): sen(beam) = 1.190 ref(beam) = 1.027 --- 20-sep-17 10:35:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 1.08 hours . Total airflow this filter = .12 cubic meters . Mean BC concentration of all lamps = 6047 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .475 sen(zero) = 0.021 . ref(beam) = 2.102 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 960 ng Mean aerosol black carbon concentration = 8469 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 653 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .643 sen(zero) = 0.021 . ref(beam) = 2.317 ref(zero) = 0.021 . Optical attenuation of filter deposit = 50 . Total aerosol black carbon on filter = 805 ng Mean aerosol black carbon concentration = 7105 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 368 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .955 sen(zero) = 0.021 . ref(beam) = 1.596 ref(zero) = 0.021 . Optical attenuation of filter deposit = 39 . Total aerosol black carbon on filter = 696 ng Mean aerosol black carbon concentration = 6145 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 452 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .671 sen(zero) = 0.021 . ref(beam) = 1.946 ref(zero) = 0.021 . Optical attenuation of filter deposit = 32 . Total aerosol black carbon on filter = 649 ng Mean aerosol black carbon concentration = 5731 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1499 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .304 sen(zero) = 0.021 . ref(beam) = .794 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 627 ng Mean aerosol black carbon concentration = 5534 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 627 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .568 sen(zero) = 0.021 . ref(beam) = 1.004 ref(zero) = 0.021 . Optical attenuation of filter deposit = 18 . Total aerosol black carbon on filter = 548 ng Mean aerosol black carbon concentration = 4834 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 801 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .970 sen(zero) = 0.021 . ref(beam) = 1.025 ref(zero) = 0.021 . Optical attenuation of filter deposit = 15 . Total aerosol black carbon on filter = 511 ng Mean aerosol black carbon concentration = 4508 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 868 ppm. --- Disk space = 2.535997E+08 bytes free: One entry at every 10 minutes. There is space for 107823 hours ( 4493 days) more data --- 20-sep-17 10:35:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 20-sep-17 10:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.490 ref(beam) = 2.047 . Lamp 2 (470 nm): sen(beam) = 1.301 ref(beam) = 2.301 . Lamp 3 (520 nm): sen(beam) = 1.641 ref(beam) = 1.573 . Lamp 4 (590 nm): sen(beam) = .986 ref(beam) = 1.850 . Lamp 5 (660 nm): sen(beam) = .430 ref(beam) = .787 . Lamp 6 (880 nm): sen(beam) = .712 ref(beam) = .981 . Lamp 7 (950 nm): sen(beam) = 1.172 ref(beam) = 1.001 --- 20-sep-17 12:35:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 1.58 hours . Total airflow this filter = .17 cubic meters . Mean BC concentration of all lamps = 4508 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .532 sen(zero) = 0.021 . ref(beam) = 2.030 ref(zero) = 0.021 . Optical attenuation of filter deposit = 81 . Total aerosol black carbon on filter = 1029 ng Mean aerosol black carbon concentration = 6085 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 911 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .664 sen(zero) = 0.021 . ref(beam) = 2.290 ref(zero) = 0.021 . Optical attenuation of filter deposit = 54 . Total aerosol black carbon on filter = 875 ng Mean aerosol black carbon concentration = 5172 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 411 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .961 sen(zero) = 0.021 . ref(beam) = 1.562 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 770 ng Mean aerosol black carbon concentration = 4555 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 462 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .636 sen(zero) = 0.021 . ref(beam) = 1.834 ref(zero) = 0.021 . Optical attenuation of filter deposit = 36 . Total aerosol black carbon on filter = 730 ng Mean aerosol black carbon concentration = 4316 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 2176 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .296 sen(zero) = 0.021 . ref(beam) = .778 ref(zero) = 0.021 . Optical attenuation of filter deposit = 31 . Total aerosol black carbon on filter = 712 ng Mean aerosol black carbon concentration = 4212 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 857 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .549 sen(zero) = 0.021 . ref(beam) = .968 ref(zero) = 0.021 . Optical attenuation of filter deposit = 20 . Total aerosol black carbon on filter = 631 ng Mean aerosol black carbon concentration = 3731 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1152 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .934 sen(zero) = 0.021 . ref(beam) = .987 ref(zero) = 0.021 . Optical attenuation of filter deposit = 18 . Total aerosol black carbon on filter = 589 ng Mean aerosol black carbon concentration = 3484 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1255 ppm. --- Disk space = 2.535916E+08 bytes free: One entry at every 10 minutes. There is space for 107820 hours ( 4492 days) more data --- 20-sep-17 12:35:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 20-sep-17 12:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.542 ref(beam) = 2.016 . Lamp 2 (470 nm): sen(beam) = 1.334 ref(beam) = 2.313 . Lamp 3 (520 nm): sen(beam) = 1.664 ref(beam) = 1.552 . Lamp 4 (590 nm): sen(beam) = .949 ref(beam) = 1.756 . Lamp 5 (660 nm): sen(beam) = .427 ref(beam) = .786 . Lamp 6 (880 nm): sen(beam) = .694 ref(beam) = .949 . Lamp 7 (950 nm): sen(beam) = 1.141 ref(beam) = .975 --- 20-sep-17 15:25:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 2.41 hours . Total airflow this filter = .28 cubic meters . Mean BC concentration of all lamps = 2756 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .608 sen(zero) = 0.021 . ref(beam) = 1.986 ref(zero) = 0.021 . Optical attenuation of filter deposit = 80 . Total aerosol black carbon on filter = 1019 ng Mean aerosol black carbon concentration = 3699 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 795 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .727 sen(zero) = 0.021 . ref(beam) = 2.299 ref(zero) = 0.021 . Optical attenuation of filter deposit = 53 . Total aerosol black carbon on filter = 860 ng Mean aerosol black carbon concentration = 3121 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 277 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.015 sen(zero) = 0.021 . ref(beam) = 1.536 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 765 ng Mean aerosol black carbon concentration = 2778 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 394 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .624 sen(zero) = 0.021 . ref(beam) = 1.717 ref(zero) = 0.021 . Optical attenuation of filter deposit = 36 . Total aerosol black carbon on filter = 729 ng Mean aerosol black carbon concentration = 2645 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1816 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .300 sen(zero) = 0.021 . ref(beam) = .773 ref(zero) = 0.021 . Optical attenuation of filter deposit = 31 . Total aerosol black carbon on filter = 710 ng Mean aerosol black carbon concentration = 2578 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 630 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .539 sen(zero) = 0.021 . ref(beam) = .928 ref(zero) = 0.021 . Optical attenuation of filter deposit = 21 . Total aerosol black carbon on filter = 637 ng Mean aerosol black carbon concentration = 2312 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 996 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .912 sen(zero) = 0.021 . ref(beam) = .955 ref(zero) = 0.021 . Optical attenuation of filter deposit = 18 . Total aerosol black carbon on filter = 595 ng Mean aerosol black carbon concentration = 2160 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1019 ppm. --- Disk space = 2.535875E+08 bytes free: One entry at every 10 minutes. There is space for 107818 hours ( 4492 days) more data --- 20-sep-17 15:25:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 20-sep-17 15:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = .567 ref(beam) = 1.938 . Lamp 2 (470 nm): sen(beam) = .690 ref(beam) = 2.240 . Lamp 3 (520 nm): sen(beam) = .972 ref(beam) = 1.491 . Lamp 4 (590 nm): sen(beam) = .573 ref(beam) = 1.622 . Lamp 5 (660 nm): sen(beam) = .289 ref(beam) = .749 . Lamp 6 (880 nm): sen(beam) = .518 ref(beam) = .892 . Lamp 7 (950 nm): sen(beam) = .879 ref(beam) = .914 --- 20-sep-17 17:45:00 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 = 3570 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .242 sen(zero) = 0.021 . ref(beam) = 1.945 ref(zero) = 0.021 . Optical attenuation of filter deposit = 79 . Total aerosol black carbon on filter = 1006 ng Mean aerosol black carbon concentration = 4723 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 144 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .383 sen(zero) = 0.021 . ref(beam) = 2.240 ref(zero) = 0.021 . Optical attenuation of filter deposit = 54 . Total aerosol black carbon on filter = 872 ng Mean aerosol black carbon concentration = 4093 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 85 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .601 sen(zero) = 0.021 . ref(beam) = 1.487 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 773 ng Mean aerosol black carbon concentration = 3630 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 143 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .397 sen(zero) = 0.021 . ref(beam) = 1.656 ref(zero) = 0.021 . Optical attenuation of filter deposit = 36 . Total aerosol black carbon on filter = 729 ng Mean aerosol black carbon concentration = 3425 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 271 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .209 sen(zero) = 0.021 . ref(beam) = .748 ref(zero) = 0.021 . Optical attenuation of filter deposit = 31 . Total aerosol black carbon on filter = 708 ng Mean aerosol black carbon concentration = 3324 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 122 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .413 sen(zero) = 0.021 . ref(beam) = .893 ref(zero) = 0.021 . Optical attenuation of filter deposit = 21 . Total aerosol black carbon on filter = 636 ng Mean aerosol black carbon concentration = 2986 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 182 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .721 sen(zero) = 0.021 . ref(beam) = .917 ref(zero) = 0.021 . Optical attenuation of filter deposit = 18 . Total aerosol black carbon on filter = 599 ng Mean aerosol black carbon concentration = 2811 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 127 ppm. --- Disk space = 2.535793E+08 bytes free: One entry at every 10 minutes. There is space for 107814 hours ( 4492 days) more data --- 20-sep-17 17:45:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 20-sep-17 18:09:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = .224 ref(beam) = 1.916 . Lamp 2 (470 nm): sen(beam) = .359 ref(beam) = 2.221 . Lamp 3 (520 nm): sen(beam) = .572 ref(beam) = 1.469 . Lamp 4 (590 nm): sen(beam) = .366 ref(beam) = 1.585 . Lamp 5 (660 nm): sen(beam) = .200 ref(beam) = .740 . Lamp 6 (880 nm): sen(beam) = .397 ref(beam) = .875 . Lamp 7 (950 nm): sen(beam) = .692 ref(beam) = .898 --- 20-sep-17 19:39:54 SERIOUS INSTRUMENT PROBLEM !!! Reference beam OK, Sensing beam low on lamp 1 Tape Advance mechanism problem --- 20-sep-17 19:39:54 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 1.41 hours . Total airflow this filter = .16 cubic meters . Mean BC concentration of all lamps = 3936 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .119 sen(zero) = 0.021 . ref(beam) = 1.943 ref(zero) = 0.021 . Optical attenuation of filter deposit = 59 . Total aerosol black carbon on filter = 747 ng Mean aerosol black carbon concentration = 4828 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 446 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .218 sen(zero) = 0.021 . ref(beam) = 2.228 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 699 ng Mean aerosol black carbon concentration = 4519 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 80 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .377 sen(zero) = 0.021 . ref(beam) = 1.471 ref(zero) = 0.021 . Optical attenuation of filter deposit = 35 . Total aerosol black carbon on filter = 625 ng Mean aerosol black carbon concentration = 4037 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 132 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .272 sen(zero) = 0.021 . ref(beam) = 1.658 ref(zero) = 0.021 . Optical attenuation of filter deposit = 29 . Total aerosol black carbon on filter = 592 ng Mean aerosol black carbon concentration = 3827 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 981 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .152 sen(zero) = 0.021 . ref(beam) = .745 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 578 ng Mean aerosol black carbon concentration = 3735 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 273 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .328 sen(zero) = 0.021 . ref(beam) = .886 ref(zero) = 0.021 . Optical attenuation of filter deposit = 17 . Total aerosol black carbon on filter = 524 ng Mean aerosol black carbon concentration = 3386 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 589 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .586 sen(zero) = 0.021 . ref(beam) = .913 ref(zero) = 0.021 . Optical attenuation of filter deposit = 15 . Total aerosol black carbon on filter = 498 ng Mean aerosol black carbon concentration = 3219 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 662 ppm. --- Disk space = 2.535711E+08 bytes free: One entry at every 10 minutes. There is space for 107811 hours ( 4492 days) more data --- Disk space = 2.535629E+08 bytes free: One entry at every 10 minutes. There is space for 107807 hours ( 4492 days) more data --- 20-sep-17 20:16:44 Tape feeder mechanism advancing for 2 spot(s). --- 20-sep-17 20:26:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 20-sep-17 20:30:20 SERIOUS INSTRUMENT PROBLEM !!! Reference beam OK, Sensing beam low on lamp 1 Tape Advance mechanism problem --- 20-sep-17 20:30:20 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 0 hours . Total airflow this filter = 0 cubic meters . Mean BC concentration of all lamps = 0 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = 0.091 sen(zero) = 0.021 . ref(beam) = 1.935 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 0 ng Mean aerosol black carbon concentration = 0 ng/vm3 --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .172 sen(zero) = 0.021 . ref(beam) = 2.232 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 0 ng Mean aerosol black carbon concentration = 0 ng/vm3 --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .309 sen(zero) = 0.021 . ref(beam) = 1.473 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 0 ng Mean aerosol black carbon concentration = 0 ng/vm3 --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .224 sen(zero) = 0.021 . ref(beam) = 1.615 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 0 ng Mean aerosol black carbon concentration = 0 ng/vm3 --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .132 sen(zero) = 0.021 . ref(beam) = .748 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 0 ng Mean aerosol black carbon concentration = 0 ng/vm3 --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .294 sen(zero) = 0.021 . ref(beam) = .884 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 0 ng Mean aerosol black carbon concentration = 0 ng/vm3 --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .529 sen(zero) = 0.021 . ref(beam) = .911 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 0 ng Mean aerosol black carbon concentration = 0 ng/vm3 --- Disk space = 2.535629E+08 bytes free: One entry at every 10 minutes. There is space for 107807 hours ( 4492 days) more data --- Disk space = 2.535588E+08 bytes free: One entry at every 10 minutes. There is space for 107806 hours ( 4492 days) more data --- 20-sep-17 21:07:09 Tape feeder mechanism advancing for 2 spot(s). --- 20-sep-17 21:16:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 20-sep-17 21:20:19 SERIOUS INSTRUMENT PROBLEM !!! Reference beam OK, Sensing beam low on lamp 1 Tape Advance mechanism problem --- 20-sep-17 21:20:20 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 0 hours . Total airflow this filter = 0 cubic meters . Mean BC concentration of all lamps = 0 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = 0.069 sen(zero) = 0.021 . ref(beam) = 1.945 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 0 ng Mean aerosol black carbon concentration = 0 ng/vm3 --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .133 sen(zero) = 0.021 . ref(beam) = 2.235 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 0 ng Mean aerosol black carbon concentration = 0 ng/vm3 --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .248 sen(zero) = 0.021 . ref(beam) = 1.479 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 0 ng Mean aerosol black carbon concentration = 0 ng/vm3 --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .189 sen(zero) = 0.021 . ref(beam) = 1.633 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 0 ng Mean aerosol black carbon concentration = 0 ng/vm3 --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .114 sen(zero) = 0.021 . ref(beam) = .751 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 0 ng Mean aerosol black carbon concentration = 0 ng/vm3 --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .264 sen(zero) = 0.021 . ref(beam) = .891 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 0 ng Mean aerosol black carbon concentration = 0 ng/vm3 --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .479 sen(zero) = 0.021 . ref(beam) = .917 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 0 ng Mean aerosol black carbon concentration = 0 ng/vm3 --- Disk space = 2.535588E+08 bytes free: One entry at every 10 minutes. There is space for 107806 hours ( 4492 days) more data --- Disk space = 2.535547E+08 bytes free: One entry at every 10 minutes. There is space for 107804 hours ( 4492 days) more data --- 20-sep-17 21:57:09 Tape feeder mechanism advancing for 2 spot(s). --- 20-sep-17 22:06:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 20-sep-17 22:10:19 SERIOUS INSTRUMENT PROBLEM !!! Reference beam OK, Sensing beam low on lamp 1 Tape Advance mechanism problem --- 20-sep-17 22:10:19 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 0 hours . Total airflow this filter = 0 cubic meters . Mean BC concentration of all lamps = 0 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = 0.051 sen(zero) = 0.021 . ref(beam) = 1.958 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 0 ng Mean aerosol black carbon concentration = 0 ng/vm3 --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 0.097 sen(zero) = 0.021 . ref(beam) = 2.240 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 0 ng Mean aerosol black carbon concentration = 0 ng/vm3 --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .188 sen(zero) = 0.021 . ref(beam) = 1.489 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 0 ng Mean aerosol black carbon concentration = 0 ng/vm3 --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .151 sen(zero) = 0.021 . ref(beam) = 1.658 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 0 ng Mean aerosol black carbon concentration = 0 ng/vm3 --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 0.095 sen(zero) = 0.021 . ref(beam) = .754 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 0 ng Mean aerosol black carbon concentration = 0 ng/vm3 --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .229 sen(zero) = 0.021 . ref(beam) = .902 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 0 ng Mean aerosol black carbon concentration = 0 ng/vm3 --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .420 sen(zero) = 0.021 . ref(beam) = .927 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 0 ng Mean aerosol black carbon concentration = 0 ng/vm3 --- Disk space = 2.535547E+08 bytes free: One entry at every 10 minutes. There is space for 107804 hours ( 4492 days) more data --- Disk space = 2.535506E+08 bytes free: One entry at every 10 minutes. There is space for 107802 hours ( 4492 days) more data --- 20-sep-17 22:47:09 Tape feeder mechanism advancing for 2 spot(s). --- 20-sep-17 22:56:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 20-sep-17 23:00:19 SERIOUS INSTRUMENT PROBLEM !!! Reference beam OK, Sensing beam low on lamp 1 Tape Advance mechanism problem --- 20-sep-17 23:00:19 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 0 hours . Total airflow this filter = 0 cubic meters . Mean BC concentration of all lamps = 0 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = 0.040 sen(zero) = 0.021 . ref(beam) = 1.969 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 0 ng Mean aerosol black carbon concentration = 0 ng/vm3 --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 0.073 sen(zero) = 0.021 . ref(beam) = 2.243 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 0 ng Mean aerosol black carbon concentration = 0 ng/vm3 --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .145 sen(zero) = 0.021 . ref(beam) = 1.496 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 0 ng Mean aerosol black carbon concentration = 0 ng/vm3 --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .123 sen(zero) = 0.021 . ref(beam) = 1.680 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 0 ng Mean aerosol black carbon concentration = 0 ng/vm3 --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 0.080 sen(zero) = 0.021 . ref(beam) = .757 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 0 ng Mean aerosol black carbon concentration = 0 ng/vm3 --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .200 sen(zero) = 0.021 . ref(beam) = .910 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 0 ng Mean aerosol black carbon concentration = 0 ng/vm3 --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .369 sen(zero) = 0.021 . ref(beam) = .935 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 0 ng Mean aerosol black carbon concentration = 0 ng/vm3 --- Disk space = 2.535506E+08 bytes free: One entry at every 10 minutes. There is space for 107802 hours ( 4492 days) more data ---