07-sep-17 01:55:00 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 = 3080 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .684 sen(zero) = 0.021 . ref(beam) = 2.118 ref(zero) = 0.021 . Optical attenuation of filter deposit = 76 . Total aerosol black carbon on filter = 965 ng Mean aerosol black carbon concentration = 4159 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 246 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .746 sen(zero) = 0.021 . ref(beam) = 2.323 ref(zero) = 0.021 . Optical attenuation of filter deposit = 50 . Total aerosol black carbon on filter = 815 ng Mean aerosol black carbon concentration = 3512 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 34 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.030 sen(zero) = 0.021 . ref(beam) = 1.614 ref(zero) = 0.021 . Optical attenuation of filter deposit = 40 . Total aerosol black carbon on filter = 720 ng Mean aerosol black carbon concentration = 3102 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 57 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .729 sen(zero) = 0.021 . ref(beam) = 2.043 ref(zero) = 0.021 . Optical attenuation of filter deposit = 34 . Total aerosol black carbon on filter = 686 ng Mean aerosol black carbon concentration = 2958 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 630 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .313 sen(zero) = 0.021 . ref(beam) = .809 ref(zero) = 0.021 . Optical attenuation of filter deposit = 29 . Total aerosol black carbon on filter = 669 ng Mean aerosol black carbon concentration = 2884 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 197 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .565 sen(zero) = 0.021 . ref(beam) = 1.032 ref(zero) = 0.021 . Optical attenuation of filter deposit = 19 . Total aerosol black carbon on filter = 592 ng Mean aerosol black carbon concentration = 2552 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 330 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .958 sen(zero) = 0.021 . ref(beam) = 1.058 ref(zero) = 0.021 . Optical attenuation of filter deposit = 17 . Total aerosol black carbon on filter = 556 ng Mean aerosol black carbon concentration = 2396 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 416 ppm. --- Disk space = 2.536448E+08 bytes free: One entry at every 10 minutes. There is space for 107842 hours ( 4493 days) more data --- 07-sep-17 01:55:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 07-sep-17 02:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.500 ref(beam) = 2.105 . Lamp 2 (470 nm): sen(beam) = 1.264 ref(beam) = 2.308 . Lamp 3 (520 nm): sen(beam) = 1.579 ref(beam) = 1.614 . Lamp 4 (590 nm): sen(beam) = 1.006 ref(beam) = 1.974 . Lamp 5 (660 nm): sen(beam) = .421 ref(beam) = .801 . Lamp 6 (880 nm): sen(beam) = .689 ref(beam) = 1.024 . Lamp 7 (950 nm): sen(beam) = 1.138 ref(beam) = 1.044 --- 07-sep-17 03:35:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 1.25 hours . Total airflow this filter = .14 cubic meters . Mean BC concentration of all lamps = 4906 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .592 sen(zero) = 0.021 . ref(beam) = 2.127 ref(zero) = 0.021 . Optical attenuation of filter deposit = 84 . Total aerosol black carbon on filter = 1065 ng Mean aerosol black carbon concentration = 7904 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 325 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .739 sen(zero) = 0.021 . ref(beam) = 2.315 ref(zero) = 0.021 . Optical attenuation of filter deposit = 47 . Total aerosol black carbon on filter = 768 ng Mean aerosol black carbon concentration = 5701 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 98 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.045 sen(zero) = 0.021 . ref(beam) = 1.616 ref(zero) = 0.021 . Optical attenuation of filter deposit = 36 . Total aerosol black carbon on filter = 646 ng Mean aerosol black carbon concentration = 4800 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 68 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .752 sen(zero) = 0.021 . ref(beam) = 2.063 ref(zero) = 0.021 . Optical attenuation of filter deposit = 29 . Total aerosol black carbon on filter = 600 ng Mean aerosol black carbon concentration = 4457 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 944 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .321 sen(zero) = 0.021 . ref(beam) = .807 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 577 ng Mean aerosol black carbon concentration = 4282 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 339 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .579 sen(zero) = 0.021 . ref(beam) = 1.037 ref(zero) = 0.021 . Optical attenuation of filter deposit = 16 . Total aerosol black carbon on filter = 500 ng Mean aerosol black carbon concentration = 3713 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 495 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .983 sen(zero) = 0.021 . ref(beam) = 1.061 ref(zero) = 0.021 . Optical attenuation of filter deposit = 14 . Total aerosol black carbon on filter = 469 ng Mean aerosol black carbon concentration = 3483 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 610 ppm. --- Disk space = 2.536325E+08 bytes free: One entry at every 10 minutes. There is space for 107837 hours ( 4493 days) more data --- 07-sep-17 03:35:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 07-sep-17 03:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.318 ref(beam) = 2.118 . Lamp 2 (470 nm): sen(beam) = 1.186 ref(beam) = 2.337 . Lamp 3 (520 nm): sen(beam) = 1.503 ref(beam) = 1.620 . Lamp 4 (590 nm): sen(beam) = .975 ref(beam) = 2.005 . Lamp 5 (660 nm): sen(beam) = .408 ref(beam) = .814 . Lamp 6 (880 nm): sen(beam) = .673 ref(beam) = 1.031 . Lamp 7 (950 nm): sen(beam) = 1.115 ref(beam) = 1.057 --- 07-sep-17 04:55:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = .91 hours . Total airflow this filter = .1 cubic meters . Mean BC concentration of all lamps = 6415 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .454 sen(zero) = 0.021 . ref(beam) = 2.137 ref(zero) = 0.021 . Optical attenuation of filter deposit = 78 . Total aerosol black carbon on filter = 995 ng Mean aerosol black carbon concentration = 10400 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 364 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .654 sen(zero) = 0.021 . ref(beam) = 2.342 ref(zero) = 0.021 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 728 ng Mean aerosol black carbon concentration = 7610 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 83 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .962 sen(zero) = 0.021 . ref(beam) = 1.621 ref(zero) = 0.021 . Optical attenuation of filter deposit = 34 . Total aerosol black carbon on filter = 606 ng Mean aerosol black carbon concentration = 6333 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 71 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .714 sen(zero) = 0.021 . ref(beam) = 2.090 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 556 ng Mean aerosol black carbon concentration = 5814 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1128 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .307 sen(zero) = 0.021 . ref(beam) = .819 ref(zero) = 0.021 . Optical attenuation of filter deposit = 23 . Total aerosol black carbon on filter = 529 ng Mean aerosol black carbon concentration = 5530 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 389 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .563 sen(zero) = 0.021 . ref(beam) = 1.043 ref(zero) = 0.021 . Optical attenuation of filter deposit = 15 . Total aerosol black carbon on filter = 456 ng Mean aerosol black carbon concentration = 4770 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 611 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .959 sen(zero) = 0.021 . ref(beam) = 1.073 ref(zero) = 0.021 . Optical attenuation of filter deposit = 13 . Total aerosol black carbon on filter = 425 ng Mean aerosol black carbon concentration = 4449 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 736 ppm. --- Disk space = 2.536284E+08 bytes free: One entry at every 10 minutes. There is space for 107835 hours ( 4493 days) more data --- 07-sep-17 04:55:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 07-sep-17 05:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.310 ref(beam) = 2.118 . Lamp 2 (470 nm): sen(beam) = 1.189 ref(beam) = 2.344 . Lamp 3 (520 nm): sen(beam) = 1.510 ref(beam) = 1.613 . Lamp 4 (590 nm): sen(beam) = .993 ref(beam) = 2.000 . Lamp 5 (660 nm): sen(beam) = .413 ref(beam) = .819 . Lamp 6 (880 nm): sen(beam) = .680 ref(beam) = 1.030 . Lamp 7 (950 nm): sen(beam) = 1.128 ref(beam) = 1.062 --- 07-sep-17 06:15:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = .91 hours . Total airflow this filter = .1 cubic meters . Mean BC concentration of all lamps = 6288 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .462 sen(zero) = 0.021 . ref(beam) = 2.135 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 956 ng Mean aerosol black carbon concentration = 9968 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 271 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .656 sen(zero) = 0.021 . ref(beam) = 2.349 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 717 ng Mean aerosol black carbon concentration = 7470 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 55 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .965 sen(zero) = 0.021 . ref(beam) = 1.613 ref(zero) = 0.021 . Optical attenuation of filter deposit = 33 . Total aerosol black carbon on filter = 601 ng Mean aerosol black carbon concentration = 6266 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 62 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .725 sen(zero) = 0.021 . ref(beam) = 2.082 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 552 ng Mean aerosol black carbon concentration = 5751 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 980 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .311 sen(zero) = 0.021 . ref(beam) = .824 ref(zero) = 0.021 . Optical attenuation of filter deposit = 23 . Total aerosol black carbon on filter = 524 ng Mean aerosol black carbon concentration = 5463 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 285 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .569 sen(zero) = 0.021 . ref(beam) = 1.041 ref(zero) = 0.021 . Optical attenuation of filter deposit = 15 . Total aerosol black carbon on filter = 452 ng Mean aerosol black carbon concentration = 4711 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 522 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .969 sen(zero) = 0.021 . ref(beam) = 1.077 ref(zero) = 0.021 . Optical attenuation of filter deposit = 12 . Total aerosol black carbon on filter = 421 ng Mean aerosol black carbon concentration = 4389 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 619 ppm. --- Disk space = 2.536202E+08 bytes free: One entry at every 10 minutes. There is space for 107832 hours ( 4493 days) more data --- 07-sep-17 06:15:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 07-sep-17 06:39:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.316 ref(beam) = 2.146 . Lamp 2 (470 nm): sen(beam) = 1.177 ref(beam) = 2.363 . Lamp 3 (520 nm): sen(beam) = 1.484 ref(beam) = 1.638 . Lamp 4 (590 nm): sen(beam) = .984 ref(beam) = 2.044 . Lamp 5 (660 nm): sen(beam) = .408 ref(beam) = .828 . Lamp 6 (880 nm): sen(beam) = .667 ref(beam) = 1.050 . Lamp 7 (950 nm): sen(beam) = 1.107 ref(beam) = 1.079 --- 07-sep-17 07:55:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 1.25 hours . Total airflow this filter = .14 cubic meters . Mean BC concentration of all lamps = 5021 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .461 sen(zero) = 0.021 . ref(beam) = 2.160 ref(zero) = 0.021 . Optical attenuation of filter deposit = 80 . Total aerosol black carbon on filter = 1018 ng Mean aerosol black carbon concentration = 7559 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 127 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .625 sen(zero) = 0.021 . ref(beam) = 2.365 ref(zero) = 0.021 . Optical attenuation of filter deposit = 50 . Total aerosol black carbon on filter = 804 ng Mean aerosol black carbon concentration = 5967 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 83 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .916 sen(zero) = 0.021 . ref(beam) = 1.637 ref(zero) = 0.021 . Optical attenuation of filter deposit = 38 . Total aerosol black carbon on filter = 682 ng Mean aerosol black carbon concentration = 5063 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 119 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .695 sen(zero) = 0.021 . ref(beam) = 2.118 ref(zero) = 0.021 . Optical attenuation of filter deposit = 31 . Total aerosol black carbon on filter = 628 ng Mean aerosol black carbon concentration = 4663 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 336 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .299 sen(zero) = 0.021 . ref(beam) = .830 ref(zero) = 0.021 . Optical attenuation of filter deposit = 26 . Total aerosol black carbon on filter = 600 ng Mean aerosol black carbon concentration = 4459 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 205 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .547 sen(zero) = 0.021 . ref(beam) = 1.059 ref(zero) = 0.021 . Optical attenuation of filter deposit = 17 . Total aerosol black carbon on filter = 518 ng Mean aerosol black carbon concentration = 3846 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 191 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .934 sen(zero) = 0.021 . ref(beam) = 1.091 ref(zero) = 0.021 . Optical attenuation of filter deposit = 14 . Total aerosol black carbon on filter = 484 ng Mean aerosol black carbon concentration = 3592 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 360 ppm. --- Disk space = 2.536161E+08 bytes free: One entry at every 10 minutes. There is space for 107830 hours ( 4493 days) more data --- 07-sep-17 07:55:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 07-sep-17 08:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.417 ref(beam) = 2.153 . Lamp 2 (470 nm): sen(beam) = 1.215 ref(beam) = 2.388 . Lamp 3 (520 nm): sen(beam) = 1.525 ref(beam) = 1.663 . Lamp 4 (590 nm): sen(beam) = 1.008 ref(beam) = 2.076 . Lamp 5 (660 nm): sen(beam) = .414 ref(beam) = .836 . Lamp 6 (880 nm): sen(beam) = .679 ref(beam) = 1.067 . Lamp 7 (950 nm): sen(beam) = 1.123 ref(beam) = 1.094 --- 07-sep-17 09:25:00 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 = 5727 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .516 sen(zero) = 0.021 . ref(beam) = 2.160 ref(zero) = 0.021 . Optical attenuation of filter deposit = 83 . Total aerosol black carbon on filter = 1057 ng Mean aerosol black carbon concentration = 9199 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 150 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .667 sen(zero) = 0.021 . ref(beam) = 2.388 ref(zero) = 0.021 . Optical attenuation of filter deposit = 49 . Total aerosol black carbon on filter = 801 ng Mean aerosol black carbon concentration = 6970 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 209 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .973 sen(zero) = 0.021 . ref(beam) = 1.659 ref(zero) = 0.021 . Optical attenuation of filter deposit = 37 . Total aerosol black carbon on filter = 661 ng Mean aerosol black carbon concentration = 5750 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 264 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .727 sen(zero) = 0.021 . ref(beam) = 2.126 ref(zero) = 0.021 . Optical attenuation of filter deposit = 29 . Total aerosol black carbon on filter = 596 ng Mean aerosol black carbon concentration = 5192 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 419 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .311 sen(zero) = 0.021 . ref(beam) = .836 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 564 ng Mean aerosol black carbon concentration = 4906 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 300 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .564 sen(zero) = 0.021 . ref(beam) = 1.070 ref(zero) = 0.021 . Optical attenuation of filter deposit = 15 . Total aerosol black carbon on filter = 481 ng Mean aerosol black carbon concentration = 4187 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 248 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .959 sen(zero) = 0.021 . ref(beam) = 1.099 ref(zero) = 0.021 . Optical attenuation of filter deposit = 13 . Total aerosol black carbon on filter = 446 ng Mean aerosol black carbon concentration = 3883 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 315 ppm. --- Disk space = 2.536079E+08 bytes free: One entry at every 10 minutes. There is space for 107827 hours ( 4493 days) more data --- 07-sep-17 09:25:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 07-sep-17 09:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.290 ref(beam) = 2.123 . Lamp 2 (470 nm): sen(beam) = 1.177 ref(beam) = 2.343 . Lamp 3 (520 nm): sen(beam) = 1.503 ref(beam) = 1.619 . Lamp 4 (590 nm): sen(beam) = .987 ref(beam) = 2.006 . Lamp 5 (660 nm): sen(beam) = .410 ref(beam) = .818 . Lamp 6 (880 nm): sen(beam) = .680 ref(beam) = 1.030 . Lamp 7 (950 nm): sen(beam) = 1.125 ref(beam) = 1.058 --- 07-sep-17 11:05:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 1.25 hours . Total airflow this filter = .14 cubic meters . Mean BC concentration of all lamps = 4707 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .466 sen(zero) = 0.021 . ref(beam) = 2.126 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 950 ng Mean aerosol black carbon concentration = 7054 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 414 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .635 sen(zero) = 0.021 . ref(beam) = 2.340 ref(zero) = 0.021 . Optical attenuation of filter deposit = 47 . Total aerosol black carbon on filter = 760 ng Mean aerosol black carbon concentration = 5643 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 366 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .943 sen(zero) = 0.021 . ref(beam) = 1.614 ref(zero) = 0.021 . Optical attenuation of filter deposit = 36 . Total aerosol black carbon on filter = 640 ng Mean aerosol black carbon concentration = 4756 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 430 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .698 sen(zero) = 0.021 . ref(beam) = 2.044 ref(zero) = 0.021 . Optical attenuation of filter deposit = 29 . Total aerosol black carbon on filter = 589 ng Mean aerosol black carbon concentration = 4372 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 911 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .304 sen(zero) = 0.021 . ref(beam) = .816 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 562 ng Mean aerosol black carbon concentration = 4173 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 607 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .560 sen(zero) = 0.021 . ref(beam) = 1.031 ref(zero) = 0.021 . Optical attenuation of filter deposit = 16 . Total aerosol black carbon on filter = 485 ng Mean aerosol black carbon concentration = 3602 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 685 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .952 sen(zero) = 0.021 . ref(beam) = 1.061 ref(zero) = 0.021 . Optical attenuation of filter deposit = 13 . Total aerosol black carbon on filter = 451 ng Mean aerosol black carbon concentration = 3348 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 714 ppm. --- Disk space = 2.535997E+08 bytes free: One entry at every 10 minutes. There is space for 107823 hours ( 4493 days) more data --- 07-sep-17 11:05:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 07-sep-17 11:29:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.463 ref(beam) = 2.152 . Lamp 2 (470 nm): sen(beam) = 1.244 ref(beam) = 2.381 . Lamp 3 (520 nm): sen(beam) = 1.551 ref(beam) = 1.637 . Lamp 4 (590 nm): sen(beam) = .992 ref(beam) = 2.010 . Lamp 5 (660 nm): sen(beam) = .415 ref(beam) = .826 . Lamp 6 (880 nm): sen(beam) = .674 ref(beam) = 1.038 . Lamp 7 (950 nm): sen(beam) = 1.116 ref(beam) = 1.066 --- 07-sep-17 15:05:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 3.58 hours . Total airflow this filter = .41 cubic meters . Mean BC concentration of all lamps = 1908 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .615 sen(zero) = 0.021 . ref(beam) = 2.163 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 954 ng Mean aerosol black carbon concentration = 2368 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 440 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .684 sen(zero) = 0.021 . ref(beam) = 2.381 ref(zero) = 0.021 . Optical attenuation of filter deposit = 53 . Total aerosol black carbon on filter = 855 ng Mean aerosol black carbon concentration = 2123 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 498 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .950 sen(zero) = 0.021 . ref(beam) = 1.634 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 777 ng Mean aerosol black carbon concentration = 1929 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 519 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .675 sen(zero) = 0.021 . ref(beam) = 2.054 ref(zero) = 0.021 . Optical attenuation of filter deposit = 37 . Total aerosol black carbon on filter = 752 ng Mean aerosol black carbon concentration = 1866 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 606 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .293 sen(zero) = 0.021 . ref(beam) = .826 ref(zero) = 0.021 . Optical attenuation of filter deposit = 32 . Total aerosol black carbon on filter = 742 ng Mean aerosol black carbon concentration = 1841 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 669 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .532 sen(zero) = 0.021 . ref(beam) = 1.041 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 672 ng Mean aerosol black carbon concentration = 1667 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 670 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .909 sen(zero) = 0.021 . ref(beam) = 1.071 ref(zero) = 0.021 . Optical attenuation of filter deposit = 19 . Total aerosol black carbon on filter = 629 ng Mean aerosol black carbon concentration = 1562 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 659 ppm. --- Disk space = 2.535956E+08 bytes free: One entry at every 10 minutes. There is space for 107821 hours ( 4493 days) more data --- 07-sep-17 15:05:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 07-sep-17 15:29:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.587 ref(beam) = 2.116 . Lamp 2 (470 nm): sen(beam) = 1.310 ref(beam) = 2.345 . Lamp 3 (520 nm): sen(beam) = 1.623 ref(beam) = 1.624 . Lamp 4 (590 nm): sen(beam) = 1.022 ref(beam) = 1.966 . Lamp 5 (660 nm): sen(beam) = .429 ref(beam) = .812 . Lamp 6 (880 nm): sen(beam) = .697 ref(beam) = 1.027 . Lamp 7 (950 nm): sen(beam) = 1.152 ref(beam) = 1.051 --- 07-sep-17 19:45:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 4.24 hours . Total airflow this filter = .49 cubic meters . Mean BC concentration of all lamps = 1736 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .711 sen(zero) = 0.021 . ref(beam) = 2.143 ref(zero) = 0.021 . Optical attenuation of filter deposit = 76 . Total aerosol black carbon on filter = 969 ng Mean aerosol black carbon concentration = 2002 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 593 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .718 sen(zero) = 0.021 . ref(beam) = 2.353 ref(zero) = 0.021 . Optical attenuation of filter deposit = 57 . Total aerosol black carbon on filter = 919 ng Mean aerosol black carbon concentration = 1899 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 562 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .978 sen(zero) = 0.021 . ref(beam) = 1.626 ref(zero) = 0.021 . Optical attenuation of filter deposit = 47 . Total aerosol black carbon on filter = 853 ng Mean aerosol black carbon concentration = 1763 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 694 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .694 sen(zero) = 0.021 . ref(beam) = 2.053 ref(zero) = 0.021 . Optical attenuation of filter deposit = 41 . Total aerosol black carbon on filter = 832 ng Mean aerosol black carbon concentration = 1719 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 704 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .298 sen(zero) = 0.021 . ref(beam) = .817 ref(zero) = 0.021 . Optical attenuation of filter deposit = 36 . Total aerosol black carbon on filter = 825 ng Mean aerosol black carbon concentration = 1705 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 907 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .543 sen(zero) = 0.021 . ref(beam) = 1.039 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 761 ng Mean aerosol black carbon concentration = 1573 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 922 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .928 sen(zero) = 0.021 . ref(beam) = 1.067 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 721 ng Mean aerosol black carbon concentration = 1491 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1002 ppm. --- Disk space = 2.535834E+08 bytes free: One entry at every 10 minutes. There is space for 107816 hours ( 4492 days) more data --- 07-sep-17 19:45:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 07-sep-17 20:09:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.583 ref(beam) = 2.101 . Lamp 2 (470 nm): sen(beam) = 1.303 ref(beam) = 2.318 . Lamp 3 (520 nm): sen(beam) = 1.610 ref(beam) = 1.607 . Lamp 4 (590 nm): sen(beam) = 1.022 ref(beam) = 1.963 . Lamp 5 (660 nm): sen(beam) = .428 ref(beam) = .805 . Lamp 6 (880 nm): sen(beam) = .693 ref(beam) = 1.019 . Lamp 7 (950 nm): sen(beam) = 1.147 ref(beam) = 1.044 --- 07-sep-17 23:45:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 3.58 hours . Total airflow this filter = .41 cubic meters . Mean BC concentration of all lamps = 1722 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .726 sen(zero) = 0.021 . ref(beam) = 2.119 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 949 ng Mean aerosol black carbon concentration = 2346 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 503 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .781 sen(zero) = 0.021 . ref(beam) = 2.322 ref(zero) = 0.021 . Optical attenuation of filter deposit = 48 . Total aerosol black carbon on filter = 785 ng Mean aerosol black carbon concentration = 1940 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 349 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.062 sen(zero) = 0.021 . ref(beam) = 1.607 ref(zero) = 0.021 . Optical attenuation of filter deposit = 39 . Total aerosol black carbon on filter = 699 ng Mean aerosol black carbon concentration = 1728 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 470 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .749 sen(zero) = 0.021 . ref(beam) = 2.027 ref(zero) = 0.021 . Optical attenuation of filter deposit = 32 . Total aerosol black carbon on filter = 664 ng Mean aerosol black carbon concentration = 1642 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 533 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .321 sen(zero) = 0.021 . ref(beam) = .807 ref(zero) = 0.021 . Optical attenuation of filter deposit = 28 . Total aerosol black carbon on filter = 649 ng Mean aerosol black carbon concentration = 1605 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 565 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .570 sen(zero) = 0.021 . ref(beam) = 1.025 ref(zero) = 0.021 . Optical attenuation of filter deposit = 19 . Total aerosol black carbon on filter = 582 ng Mean aerosol black carbon concentration = 1439 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 567 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .968 sen(zero) = 0.021 . ref(beam) = 1.052 ref(zero) = 0.021 . Optical attenuation of filter deposit = 16 . Total aerosol black carbon on filter = 547 ng Mean aerosol black carbon concentration = 1351 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 594 ppm. --- Disk space = 2.53567E+08 bytes free: One entry at every 10 minutes. There is space for 107809 hours ( 4492 days) more data --- 07-sep-17 23:45:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 08-sep-17 00:09:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.509 ref(beam) = 2.132 . Lamp 2 (470 nm): sen(beam) = 1.263 ref(beam) = 2.365 . Lamp 3 (520 nm): sen(beam) = 1.573 ref(beam) = 1.636 . Lamp 4 (590 nm): sen(beam) = .996 ref(beam) = 1.992 . Lamp 5 (660 nm): sen(beam) = .417 ref(beam) = .819 . Lamp 6 (880 nm): sen(beam) = .677 ref(beam) = 1.033 . Lamp 7 (950 nm): sen(beam) = 1.116 ref(beam) = 1.058 ---