15-aug-19 02:05:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 2.91 hours . Total airflow this filter = .35 cubic meters . Mean BC concentration of all lamps = 2148 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .798 sen(zero) = 0.021 . ref(beam) = 2.213 ref(zero) = 0.021 . Optical attenuation of filter deposit = 78 . Total aerosol black carbon on filter = 992 ng Mean aerosol black carbon concentration = 2914 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 111 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .820 sen(zero) = 0.021 . ref(beam) = 2.326 ref(zero) = 0.021 . Optical attenuation of filter deposit = 53 . Total aerosol black carbon on filter = 858 ng Mean aerosol black carbon concentration = 2519 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 35 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.247 sen(zero) = 0.021 . ref(beam) = 1.581 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 753 ng Mean aerosol black carbon concentration = 2211 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 57 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .923 sen(zero) = 0.021 . ref(beam) = 2.224 ref(zero) = 0.021 . Optical attenuation of filter deposit = 35 . Total aerosol black carbon on filter = 709 ng Mean aerosol black carbon concentration = 2081 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 645 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .329 sen(zero) = 0.021 . ref(beam) = .732 ref(zero) = 0.021 . Optical attenuation of filter deposit = 30 . Total aerosol black carbon on filter = 684 ng Mean aerosol black carbon concentration = 2008 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 184 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .702 sen(zero) = 0.021 . ref(beam) = 1.045 ref(zero) = 0.021 . Optical attenuation of filter deposit = 19 . Total aerosol black carbon on filter = 582 ng Mean aerosol black carbon concentration = 1711 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 306 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.233 sen(zero) = 0.021 . ref(beam) = 1.100 ref(zero) = 0.021 . Optical attenuation of filter deposit = 16 . Total aerosol black carbon on filter = 541 ng Mean aerosol black carbon concentration = 1590 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 388 ppm. --- Disk space = 2.541036E+08 bytes free: One entry at every 10 minutes. There is space for 108037 hours ( 4502 days) more data --- 15-aug-19 02:05:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 15-aug-19 02:29:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.797 ref(beam) = 2.265 . Lamp 2 (470 nm): sen(beam) = 1.406 ref(beam) = 2.390 . Lamp 3 (520 nm): sen(beam) = 1.895 ref(beam) = 1.643 . Lamp 4 (590 nm): sen(beam) = 1.249 ref(beam) = 2.216 . Lamp 5 (660 nm): sen(beam) = .431 ref(beam) = .750 . Lamp 6 (880 nm): sen(beam) = .825 ref(beam) = 1.075 . Lamp 7 (950 nm): sen(beam) = 1.396 ref(beam) = 1.133 --- 15-aug-19 05:05:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 2.58 hours . Total airflow this filter = .3 cubic meters . Mean BC concentration of all lamps = 2382 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .771 sen(zero) = 0.021 . ref(beam) = 2.284 ref(zero) = 0.021 . Optical attenuation of filter deposit = 76 . Total aerosol black carbon on filter = 965 ng Mean aerosol black carbon concentration = 3291 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 92 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .802 sen(zero) = 0.021 . ref(beam) = 2.395 ref(zero) = 0.021 . Optical attenuation of filter deposit = 51 . Total aerosol black carbon on filter = 820 ng Mean aerosol black carbon concentration = 2795 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 38 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.213 sen(zero) = 0.021 . ref(beam) = 1.644 ref(zero) = 0.021 . Optical attenuation of filter deposit = 40 . Total aerosol black carbon on filter = 718 ng Mean aerosol black carbon concentration = 2447 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 36 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .908 sen(zero) = 0.021 . ref(beam) = 2.323 ref(zero) = 0.021 . Optical attenuation of filter deposit = 33 . Total aerosol black carbon on filter = 676 ng Mean aerosol black carbon concentration = 2305 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 564 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .321 sen(zero) = 0.021 . ref(beam) = .756 ref(zero) = 0.021 . Optical attenuation of filter deposit = 28 . Total aerosol black carbon on filter = 648 ng Mean aerosol black carbon concentration = 2210 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 159 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .687 sen(zero) = 0.021 . ref(beam) = 1.090 ref(zero) = 0.021 . Optical attenuation of filter deposit = 18 . Total aerosol black carbon on filter = 551 ng Mean aerosol black carbon concentration = 1880 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 248 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.197 sen(zero) = 0.021 . ref(beam) = 1.153 ref(zero) = 0.021 . Optical attenuation of filter deposit = 15 . Total aerosol black carbon on filter = 512 ng Mean aerosol black carbon concentration = 1745 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 299 ppm. --- Disk space = 2.540872E+08 bytes free: One entry at every 10 minutes. There is space for 108030 hours ( 4501 days) more data --- 15-aug-19 05:05:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 15-aug-19 05:29:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.872 ref(beam) = 2.351 . Lamp 2 (470 nm): sen(beam) = 1.469 ref(beam) = 2.468 . Lamp 3 (520 nm): sen(beam) = 1.969 ref(beam) = 1.708 . Lamp 4 (590 nm): sen(beam) = 1.316 ref(beam) = 2.321 . Lamp 5 (660 nm): sen(beam) = .452 ref(beam) = .777 . Lamp 6 (880 nm): sen(beam) = .860 ref(beam) = 1.121 . Lamp 7 (950 nm): sen(beam) = 1.467 ref(beam) = 1.190 --- 15-aug-19 07:55:00 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 = 2676 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .763 sen(zero) = 0.021 . ref(beam) = 2.363 ref(zero) = 0.021 . Optical attenuation of filter deposit = 80 . Total aerosol black carbon on filter = 1016 ng Mean aerosol black carbon concentration = 3717 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 79 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .812 sen(zero) = 0.021 . ref(beam) = 2.470 ref(zero) = 0.021 . Optical attenuation of filter deposit = 53 . Total aerosol black carbon on filter = 859 ng Mean aerosol black carbon concentration = 3144 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 50 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.231 sen(zero) = 0.021 . ref(beam) = 1.707 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 751 ng Mean aerosol black carbon concentration = 2747 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 49 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .932 sen(zero) = 0.021 . ref(beam) = 2.411 ref(zero) = 0.021 . Optical attenuation of filter deposit = 35 . Total aerosol black carbon on filter = 706 ng Mean aerosol black carbon concentration = 2582 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 229 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .331 sen(zero) = 0.021 . ref(beam) = .780 ref(zero) = 0.021 . Optical attenuation of filter deposit = 30 . Total aerosol black carbon on filter = 678 ng Mean aerosol black carbon concentration = 2480 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 78 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .706 sen(zero) = 0.021 . ref(beam) = 1.132 ref(zero) = 0.021 . Optical attenuation of filter deposit = 19 . Total aerosol black carbon on filter = 576 ng Mean aerosol black carbon concentration = 2107 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 103 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.242 sen(zero) = 0.021 . ref(beam) = 1.206 ref(zero) = 0.021 . Optical attenuation of filter deposit = 16 . Total aerosol black carbon on filter = 534 ng Mean aerosol black carbon concentration = 1956 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 133 ppm. --- Disk space = 2.54079E+08 bytes free: One entry at every 10 minutes. There is space for 108027 hours ( 4501 days) more data --- 15-aug-19 07:55:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 15-aug-19 08:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.839 ref(beam) = 2.348 . Lamp 2 (470 nm): sen(beam) = 1.434 ref(beam) = 2.441 . Lamp 3 (520 nm): sen(beam) = 1.926 ref(beam) = 1.696 . Lamp 4 (590 nm): sen(beam) = 1.303 ref(beam) = 2.335 . Lamp 5 (660 nm): sen(beam) = .444 ref(beam) = .768 . Lamp 6 (880 nm): sen(beam) = .851 ref(beam) = 1.118 . Lamp 7 (950 nm): sen(beam) = 1.446 ref(beam) = 1.173 --- 15-aug-19 10:25:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 2.08 hours . Total airflow this filter = .24 cubic meters . Mean BC concentration of all lamps = 3167 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .740 sen(zero) = 0.021 . ref(beam) = 2.351 ref(zero) = 0.021 . Optical attenuation of filter deposit = 77 . Total aerosol black carbon on filter = 982 ng Mean aerosol black carbon concentration = 4197 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 118 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .774 sen(zero) = 0.021 . ref(beam) = 2.438 ref(zero) = 0.021 . Optical attenuation of filter deposit = 53 . Total aerosol black carbon on filter = 857 ng Mean aerosol black carbon concentration = 3664 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 111 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.175 sen(zero) = 0.021 . ref(beam) = 1.692 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 759 ng Mean aerosol black carbon concentration = 3243 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 148 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .890 sen(zero) = 0.021 . ref(beam) = 2.388 ref(zero) = 0.021 . Optical attenuation of filter deposit = 35 . Total aerosol black carbon on filter = 719 ng Mean aerosol black carbon concentration = 3072 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 348 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .316 sen(zero) = 0.021 . ref(beam) = .767 ref(zero) = 0.021 . Optical attenuation of filter deposit = 30 . Total aerosol black carbon on filter = 698 ng Mean aerosol black carbon concentration = 2982 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 147 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .681 sen(zero) = 0.021 . ref(beam) = 1.121 ref(zero) = 0.021 . Optical attenuation of filter deposit = 20 . Total aerosol black carbon on filter = 607 ng Mean aerosol black carbon concentration = 2595 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 189 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.194 sen(zero) = 0.021 . ref(beam) = 1.177 ref(zero) = 0.021 . Optical attenuation of filter deposit = 17 . Total aerosol black carbon on filter = 565 ng Mean aerosol black carbon concentration = 2417 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 262 ppm. --- Disk space = 2.540667E+08 bytes free: One entry at every 10 minutes. There is space for 108022 hours ( 4501 days) more data --- 15-aug-19 10:25:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 15-aug-19 10:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.899 ref(beam) = 2.264 . Lamp 2 (470 nm): sen(beam) = 1.468 ref(beam) = 2.358 . Lamp 3 (520 nm): sen(beam) = 1.982 ref(beam) = 1.634 . Lamp 4 (590 nm): sen(beam) = 1.319 ref(beam) = 2.219 . Lamp 5 (660 nm): sen(beam) = .451 ref(beam) = .740 . Lamp 6 (880 nm): sen(beam) = .865 ref(beam) = 1.070 . Lamp 7 (950 nm): sen(beam) = 1.467 ref(beam) = 1.123 --- 15-aug-19 13:35:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 2.75 hours . Total airflow this filter = .34 cubic meters . Mean BC concentration of all lamps = 2242 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .796 sen(zero) = 0.021 . ref(beam) = 2.256 ref(zero) = 0.021 . Optical attenuation of filter deposit = 76 . Total aerosol black carbon on filter = 964 ng Mean aerosol black carbon concentration = 2856 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 452 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .801 sen(zero) = 0.021 . ref(beam) = 2.345 ref(zero) = 0.021 . Optical attenuation of filter deposit = 53 . Total aerosol black carbon on filter = 864 ng Mean aerosol black carbon concentration = 2561 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 398 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.210 sen(zero) = 0.021 . ref(beam) = 1.626 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 777 ng Mean aerosol black carbon concentration = 2303 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 283 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .887 sen(zero) = 0.021 . ref(beam) = 2.234 ref(zero) = 0.021 . Optical attenuation of filter deposit = 36 . Total aerosol black carbon on filter = 741 ng Mean aerosol black carbon concentration = 2196 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 914 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .318 sen(zero) = 0.021 . ref(beam) = .733 ref(zero) = 0.021 . Optical attenuation of filter deposit = 32 . Total aerosol black carbon on filter = 722 ng Mean aerosol black carbon concentration = 2139 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 542 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .684 sen(zero) = 0.021 . ref(beam) = 1.065 ref(zero) = 0.021 . Optical attenuation of filter deposit = 21 . Total aerosol black carbon on filter = 636 ng Mean aerosol black carbon concentration = 1885 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 547 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.196 sen(zero) = 0.021 . ref(beam) = 1.118 ref(zero) = 0.021 . Optical attenuation of filter deposit = 18 . Total aerosol black carbon on filter = 591 ng Mean aerosol black carbon concentration = 1753 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 517 ppm. --- Disk space = 2.540585E+08 bytes free: One entry at every 10 minutes. There is space for 108018 hours ( 4501 days) more data --- 15-aug-19 13:35:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 15-aug-19 13:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.830 ref(beam) = 2.256 . Lamp 2 (470 nm): sen(beam) = 1.407 ref(beam) = 2.351 . Lamp 3 (520 nm): sen(beam) = 1.897 ref(beam) = 1.620 . Lamp 4 (590 nm): sen(beam) = 1.227 ref(beam) = 2.176 . Lamp 5 (660 nm): sen(beam) = .427 ref(beam) = .733 . Lamp 6 (880 nm): sen(beam) = .811 ref(beam) = 1.054 . Lamp 7 (950 nm): sen(beam) = 1.374 ref(beam) = 1.103 --- 15-aug-19 17:05:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 3.08 hours . Total airflow this filter = .39 cubic meters . Mean BC concentration of all lamps = 1906 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .808 sen(zero) = 0.021 . ref(beam) = 2.277 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 950 ng Mean aerosol black carbon concentration = 2468 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 313 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .798 sen(zero) = 0.021 . ref(beam) = 2.358 ref(zero) = 0.021 . Optical attenuation of filter deposit = 52 . Total aerosol black carbon on filter = 841 ng Mean aerosol black carbon concentration = 2184 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 262 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.196 sen(zero) = 0.021 . ref(beam) = 1.622 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 754 ng Mean aerosol black carbon concentration = 1957 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 470 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .875 sen(zero) = 0.021 . ref(beam) = 2.274 ref(zero) = 0.021 . Optical attenuation of filter deposit = 35 . Total aerosol black carbon on filter = 718 ng Mean aerosol black carbon concentration = 1863 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 541 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .312 sen(zero) = 0.021 . ref(beam) = .738 ref(zero) = 0.021 . Optical attenuation of filter deposit = 30 . Total aerosol black carbon on filter = 696 ng Mean aerosol black carbon concentration = 1806 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 521 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .662 sen(zero) = 0.021 . ref(beam) = 1.068 ref(zero) = 0.021 . Optical attenuation of filter deposit = 20 . Total aerosol black carbon on filter = 609 ng Mean aerosol black carbon concentration = 1583 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 478 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.158 sen(zero) = 0.021 . ref(beam) = 1.122 ref(zero) = 0.021 . Optical attenuation of filter deposit = 17 . Total aerosol black carbon on filter = 569 ng Mean aerosol black carbon concentration = 1478 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 479 ppm. --- Disk space = 2.540503E+08 bytes free: One entry at every 10 minutes. There is space for 108015 hours ( 4501 days) more data --- 15-aug-19 17:05:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 15-aug-19 17:29:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.915 ref(beam) = 2.271 . Lamp 2 (470 nm): sen(beam) = 1.477 ref(beam) = 2.362 . Lamp 3 (520 nm): sen(beam) = 1.983 ref(beam) = 1.639 . Lamp 4 (590 nm): sen(beam) = 1.296 ref(beam) = 2.210 . Lamp 5 (660 nm): sen(beam) = .449 ref(beam) = .738 . Lamp 6 (880 nm): sen(beam) = .858 ref(beam) = 1.069 . Lamp 7 (950 nm): sen(beam) = 1.452 ref(beam) = 1.115 --- 15-aug-19 21:35:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 4.08 hours . Total airflow this filter = .52 cubic meters . Mean BC concentration of all lamps = 1501 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .843 sen(zero) = 0.021 . ref(beam) = 2.276 ref(zero) = 0.021 . Optical attenuation of filter deposit = 76 . Total aerosol black carbon on filter = 970 ng Mean aerosol black carbon concentration = 1880 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 321 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .826 sen(zero) = 0.021 . ref(beam) = 2.359 ref(zero) = 0.021 . Optical attenuation of filter deposit = 54 . Total aerosol black carbon on filter = 876 ng Mean aerosol black carbon concentration = 1698 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 358 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.228 sen(zero) = 0.021 . ref(beam) = 1.635 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 796 ng Mean aerosol black carbon concentration = 1542 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 481 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .888 sen(zero) = 0.021 . ref(beam) = 2.254 ref(zero) = 0.021 . Optical attenuation of filter deposit = 37 . Total aerosol black carbon on filter = 764 ng Mean aerosol black carbon concentration = 1479 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 679 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .320 sen(zero) = 0.021 . ref(beam) = .735 ref(zero) = 0.021 . Optical attenuation of filter deposit = 33 . Total aerosol black carbon on filter = 744 ng Mean aerosol black carbon concentration = 1441 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 456 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .684 sen(zero) = 0.021 . ref(beam) = 1.069 ref(zero) = 0.021 . Optical attenuation of filter deposit = 21 . Total aerosol black carbon on filter = 659 ng Mean aerosol black carbon concentration = 1277 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 504 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.192 sen(zero) = 0.021 . ref(beam) = 1.117 ref(zero) = 0.021 . Optical attenuation of filter deposit = 18 . Total aerosol black carbon on filter = 613 ng Mean aerosol black carbon concentration = 1188 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 607 ppm. --- Disk space = 2.54038E+08 bytes free: One entry at every 10 minutes. There is space for 108009 hours ( 4500 days) more data --- 15-aug-19 21:35:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 15-aug-19 21:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.883 ref(beam) = 2.325 . Lamp 2 (470 nm): sen(beam) = 1.449 ref(beam) = 2.474 . Lamp 3 (520 nm): sen(beam) = 1.952 ref(beam) = 1.719 . Lamp 4 (590 nm): sen(beam) = 1.267 ref(beam) = 2.256 . Lamp 5 (660 nm): sen(beam) = .440 ref(beam) = .772 . Lamp 6 (880 nm): sen(beam) = .839 ref(beam) = 1.116 . Lamp 7 (950 nm): sen(beam) = 1.412 ref(beam) = 1.166 ---