19-aug-19 02:25:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 5.91 hours . Total airflow this filter = .76 cubic meters . Mean BC concentration of all lamps = 1114 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .888 sen(zero) = 0.021 . ref(beam) = 2.239 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 951 ng Mean aerosol black carbon concentration = 1254 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 269 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .830 sen(zero) = 0.021 . ref(beam) = 2.353 ref(zero) = 0.021 . Optical attenuation of filter deposit = 56 . Total aerosol black carbon on filter = 906 ng Mean aerosol black carbon concentration = 1195 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 237 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.217 sen(zero) = 0.021 . ref(beam) = 1.616 ref(zero) = 0.021 . Optical attenuation of filter deposit = 48 . Total aerosol black carbon on filter = 859 ng Mean aerosol black carbon concentration = 1133 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 333 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .865 sen(zero) = 0.021 . ref(beam) = 2.209 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 848 ng Mean aerosol black carbon concentration = 1118 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 626 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .311 sen(zero) = 0.021 . ref(beam) = .735 ref(zero) = 0.021 . Optical attenuation of filter deposit = 37 . Total aerosol black carbon on filter = 840 ng Mean aerosol black carbon concentration = 1108 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 380 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .661 sen(zero) = 0.021 . ref(beam) = 1.051 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 779 ng Mean aerosol black carbon concentration = 1027 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 443 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.154 sen(zero) = 0.021 . ref(beam) = 1.103 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 729 ng Mean aerosol black carbon concentration = 961 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 469 ppm. --- Disk space = 2.538209E+08 bytes free: One entry at every 10 minutes. There is space for 107917 hours ( 4497 days) more data --- 19-aug-19 02:25:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 19-aug-19 02:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.867 ref(beam) = 2.181 . Lamp 2 (470 nm): sen(beam) = 1.427 ref(beam) = 2.315 . Lamp 3 (520 nm): sen(beam) = 1.928 ref(beam) = 1.555 . Lamp 4 (590 nm): sen(beam) = 1.226 ref(beam) = 2.067 . Lamp 5 (660 nm): sen(beam) = .427 ref(beam) = .722 . Lamp 6 (880 nm): sen(beam) = .816 ref(beam) = 1.009 . Lamp 7 (950 nm): sen(beam) = 1.373 ref(beam) = 1.066 --- 19-aug-19 06:15:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 3.41 hours . Total airflow this filter = .42 cubic meters . Mean BC concentration of all lamps = 1863 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .860 sen(zero) = 0.021 . ref(beam) = 2.191 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 952 ng Mean aerosol black carbon concentration = 2284 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 39 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .824 sen(zero) = 0.021 . ref(beam) = 2.315 ref(zero) = 0.021 . Optical attenuation of filter deposit = 53 . Total aerosol black carbon on filter = 856 ng Mean aerosol black carbon concentration = 2055 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 38 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.214 sen(zero) = 0.021 . ref(beam) = 1.553 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 790 ng Mean aerosol black carbon concentration = 1897 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 49 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .853 sen(zero) = 0.021 . ref(beam) = 2.122 ref(zero) = 0.021 . Optical attenuation of filter deposit = 38 . Total aerosol black carbon on filter = 767 ng Mean aerosol black carbon concentration = 1841 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 51 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .307 sen(zero) = 0.021 . ref(beam) = .723 ref(zero) = 0.021 . Optical attenuation of filter deposit = 33 . Total aerosol black carbon on filter = 753 ng Mean aerosol black carbon concentration = 1808 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 55 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .651 sen(zero) = 0.021 . ref(beam) = 1.013 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 679 ng Mean aerosol black carbon concentration = 1630 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 59 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.130 sen(zero) = 0.021 . ref(beam) = 1.073 ref(zero) = 0.021 . Optical attenuation of filter deposit = 19 . Total aerosol black carbon on filter = 635 ng Mean aerosol black carbon concentration = 1525 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 81 ppm. --- Disk space = 2.538004E+08 bytes free: One entry at every 10 minutes. There is space for 107908 hours ( 4496 days) more data --- 19-aug-19 06:15:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 19-aug-19 06:39:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.754 ref(beam) = 2.229 . Lamp 2 (470 nm): sen(beam) = 1.380 ref(beam) = 2.396 . Lamp 3 (520 nm): sen(beam) = 1.875 ref(beam) = 1.587 . Lamp 4 (590 nm): sen(beam) = 1.192 ref(beam) = 2.095 . Lamp 5 (660 nm): sen(beam) = .421 ref(beam) = .748 . Lamp 6 (880 nm): sen(beam) = .801 ref(beam) = 1.025 . Lamp 7 (950 nm): sen(beam) = 1.356 ref(beam) = 1.085 --- 19-aug-19 08:25:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 1.75 hours . Total airflow this filter = .2 cubic meters . Mean BC concentration of all lamps = 4042 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .703 sen(zero) = 0.021 . ref(beam) = 2.245 ref(zero) = 0.021 . Optical attenuation of filter deposit = 79 . Total aerosol black carbon on filter = 1009 ng Mean aerosol black carbon concentration = 5157 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 197 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .735 sen(zero) = 0.021 . ref(beam) = 2.398 ref(zero) = 0.021 . Optical attenuation of filter deposit = 55 . Total aerosol black carbon on filter = 892 ng Mean aerosol black carbon concentration = 4558 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 128 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.115 sen(zero) = 0.021 . ref(beam) = 1.586 ref(zero) = 0.021 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 810 ng Mean aerosol black carbon concentration = 4142 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 113 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .802 sen(zero) = 0.021 . ref(beam) = 2.172 ref(zero) = 0.021 . Optical attenuation of filter deposit = 38 . Total aerosol black carbon on filter = 776 ng Mean aerosol black carbon concentration = 3968 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 359 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .294 sen(zero) = 0.021 . ref(beam) = .750 ref(zero) = 0.021 . Optical attenuation of filter deposit = 33 . Total aerosol black carbon on filter = 754 ng Mean aerosol black carbon concentration = 3853 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 140 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .631 sen(zero) = 0.021 . ref(beam) = 1.033 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 669 ng Mean aerosol black carbon concentration = 3423 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 163 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.107 sen(zero) = 0.021 . ref(beam) = 1.098 ref(zero) = 0.021 . Optical attenuation of filter deposit = 19 . Total aerosol black carbon on filter = 624 ng Mean aerosol black carbon concentration = 3191 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 204 ppm. --- Disk space = 2.537882E+08 bytes free: One entry at every 10 minutes. There is space for 107903 hours ( 4496 days) more data --- 19-aug-19 08:25:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 19-aug-19 08:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.716 ref(beam) = 2.207 . Lamp 2 (470 nm): sen(beam) = 1.366 ref(beam) = 2.330 . Lamp 3 (520 nm): sen(beam) = 1.859 ref(beam) = 1.582 . Lamp 4 (590 nm): sen(beam) = 1.187 ref(beam) = 2.093 . Lamp 5 (660 nm): sen(beam) = .421 ref(beam) = .725 . Lamp 6 (880 nm): sen(beam) = .801 ref(beam) = 1.022 . Lamp 7 (950 nm): sen(beam) = 1.363 ref(beam) = 1.083 --- 19-aug-19 10:25:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 1.58 hours . Total airflow this filter = .19 cubic meters . Mean BC concentration of all lamps = 4092 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .694 sen(zero) = 0.021 . ref(beam) = 2.226 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 950 ng Mean aerosol black carbon concentration = 5019 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 340 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .718 sen(zero) = 0.021 . ref(beam) = 2.334 ref(zero) = 0.021 . Optical attenuation of filter deposit = 54 . Total aerosol black carbon on filter = 869 ng Mean aerosol black carbon concentration = 4592 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 208 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.093 sen(zero) = 0.021 . ref(beam) = 1.582 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 795 ng Mean aerosol black carbon concentration = 4197 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 200 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .794 sen(zero) = 0.021 . ref(beam) = 2.184 ref(zero) = 0.021 . Optical attenuation of filter deposit = 38 . Total aerosol black carbon on filter = 768 ng Mean aerosol black carbon concentration = 4055 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 663 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .292 sen(zero) = 0.021 . ref(beam) = .729 ref(zero) = 0.021 . Optical attenuation of filter deposit = 33 . Total aerosol black carbon on filter = 749 ng Mean aerosol black carbon concentration = 3958 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 297 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .629 sen(zero) = 0.021 . ref(beam) = 1.034 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 668 ng Mean aerosol black carbon concentration = 3528 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 487 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.108 sen(zero) = 0.021 . ref(beam) = 1.098 ref(zero) = 0.021 . Optical attenuation of filter deposit = 19 . Total aerosol black carbon on filter = 624 ng Mean aerosol black carbon concentration = 3294 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 415 ppm. --- Disk space = 2.5378E+08 bytes free: One entry at every 10 minutes. There is space for 107900 hours ( 4496 days) more data --- 19-aug-19 10:25:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 19-aug-19 10:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.753 ref(beam) = 2.226 . Lamp 2 (470 nm): sen(beam) = 1.380 ref(beam) = 2.349 . Lamp 3 (520 nm): sen(beam) = 1.871 ref(beam) = 1.600 . Lamp 4 (590 nm): sen(beam) = 1.210 ref(beam) = 2.128 . Lamp 5 (660 nm): sen(beam) = .424 ref(beam) = .732 . Lamp 6 (880 nm): sen(beam) = .811 ref(beam) = 1.035 . Lamp 7 (950 nm): sen(beam) = 1.375 ref(beam) = 1.091 --- 19-aug-19 12:55:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 2.08 hours . Total airflow this filter = .25 cubic meters . Mean BC concentration of all lamps = 3574 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .694 sen(zero) = 0.021 . ref(beam) = 2.243 ref(zero) = 0.021 . Optical attenuation of filter deposit = 80 . Total aerosol black carbon on filter = 1015 ng Mean aerosol black carbon concentration = 4170 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 526 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .697 sen(zero) = 0.021 . ref(beam) = 2.351 ref(zero) = 0.021 . Optical attenuation of filter deposit = 59 . Total aerosol black carbon on filter = 962 ng Mean aerosol black carbon concentration = 3950 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 534 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.054 sen(zero) = 0.021 . ref(beam) = 1.598 ref(zero) = 0.021 . Optical attenuation of filter deposit = 50 . Total aerosol black carbon on filter = 892 ng Mean aerosol black carbon concentration = 3663 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 644 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .778 sen(zero) = 0.021 . ref(beam) = 2.218 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 867 ng Mean aerosol black carbon concentration = 3563 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 927 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .283 sen(zero) = 0.021 . ref(beam) = .736 ref(zero) = 0.021 . Optical attenuation of filter deposit = 38 . Total aerosol black carbon on filter = 856 ng Mean aerosol black carbon concentration = 3517 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 582 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .617 sen(zero) = 0.021 . ref(beam) = 1.046 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 773 ng Mean aerosol black carbon concentration = 3177 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 729 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.087 sen(zero) = 0.021 . ref(beam) = 1.107 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 725 ng Mean aerosol black carbon concentration = 2977 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 734 ppm. --- Disk space = 2.537718E+08 bytes free: One entry at every 10 minutes. There is space for 107896 hours ( 4496 days) more data --- 19-aug-19 12:55:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 19-aug-19 13:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.784 ref(beam) = 2.200 . Lamp 2 (470 nm): sen(beam) = 1.393 ref(beam) = 2.341 . Lamp 3 (520 nm): sen(beam) = 1.882 ref(beam) = 1.575 . Lamp 4 (590 nm): sen(beam) = 1.223 ref(beam) = 2.118 . Lamp 5 (660 nm): sen(beam) = .428 ref(beam) = .735 . Lamp 6 (880 nm): sen(beam) = .812 ref(beam) = 1.023 . Lamp 7 (950 nm): sen(beam) = 1.379 ref(beam) = 1.087 --- 19-aug-19 15:25:00 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 = 3571 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .750 sen(zero) = 0.021 . ref(beam) = 2.210 ref(zero) = 0.021 . Optical attenuation of filter deposit = 76 . Total aerosol black carbon on filter = 962 ng Mean aerosol black carbon concentration = 4068 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 548 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .729 sen(zero) = 0.021 . ref(beam) = 2.340 ref(zero) = 0.021 . Optical attenuation of filter deposit = 57 . Total aerosol black carbon on filter = 921 ng Mean aerosol black carbon concentration = 3895 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 615 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.086 sen(zero) = 0.021 . ref(beam) = 1.573 ref(zero) = 0.021 . Optical attenuation of filter deposit = 48 . Total aerosol black carbon on filter = 863 ng Mean aerosol black carbon concentration = 3648 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 667 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .794 sen(zero) = 0.021 . ref(beam) = 2.194 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 848 ng Mean aerosol black carbon concentration = 3587 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 637 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .288 sen(zero) = 0.021 . ref(beam) = .737 ref(zero) = 0.021 . Optical attenuation of filter deposit = 37 . Total aerosol black carbon on filter = 839 ng Mean aerosol black carbon concentration = 3549 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 599 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .620 sen(zero) = 0.021 . ref(beam) = 1.031 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 763 ng Mean aerosol black carbon concentration = 3225 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 702 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.093 sen(zero) = 0.021 . ref(beam) = 1.099 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 715 ng Mean aerosol black carbon concentration = 3026 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 632 ppm. --- Disk space = 2.537636E+08 bytes free: One entry at every 10 minutes. There is space for 107893 hours ( 4496 days) more data --- 19-aug-19 15:25:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 19-aug-19 15:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.752 ref(beam) = 2.186 . Lamp 2 (470 nm): sen(beam) = 1.363 ref(beam) = 2.297 . Lamp 3 (520 nm): sen(beam) = 1.843 ref(beam) = 1.569 . Lamp 4 (590 nm): sen(beam) = 1.200 ref(beam) = 2.116 . Lamp 5 (660 nm): sen(beam) = .418 ref(beam) = .719 . Lamp 6 (880 nm): sen(beam) = .799 ref(beam) = 1.021 . Lamp 7 (950 nm): sen(beam) = 1.355 ref(beam) = 1.075 --- 19-aug-19 17:55:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 2.08 hours . Total airflow this filter = .26 cubic meters . Mean BC concentration of all lamps = 3468 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .726 sen(zero) = 0.021 . ref(beam) = 2.200 ref(zero) = 0.021 . Optical attenuation of filter deposit = 77 . Total aerosol black carbon on filter = 979 ng Mean aerosol black carbon concentration = 3878 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 587 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .703 sen(zero) = 0.021 . ref(beam) = 2.301 ref(zero) = 0.021 . Optical attenuation of filter deposit = 58 . Total aerosol black carbon on filter = 943 ng Mean aerosol black carbon concentration = 3738 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 548 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.047 sen(zero) = 0.021 . ref(beam) = 1.569 ref(zero) = 0.021 . Optical attenuation of filter deposit = 49 . Total aerosol black carbon on filter = 888 ng Mean aerosol black carbon concentration = 3520 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 682 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .766 sen(zero) = 0.021 . ref(beam) = 2.195 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 877 ng Mean aerosol black carbon concentration = 3477 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 604 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .277 sen(zero) = 0.021 . ref(beam) = .722 ref(zero) = 0.021 . Optical attenuation of filter deposit = 38 . Total aerosol black carbon on filter = 874 ng Mean aerosol black carbon concentration = 3461 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 624 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .601 sen(zero) = 0.021 . ref(beam) = 1.031 ref(zero) = 0.021 . Optical attenuation of filter deposit = 26 . Total aerosol black carbon on filter = 807 ng Mean aerosol black carbon concentration = 3196 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 703 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.058 sen(zero) = 0.021 . ref(beam) = 1.088 ref(zero) = 0.021 . Optical attenuation of filter deposit = 23 . Total aerosol black carbon on filter = 758 ng Mean aerosol black carbon concentration = 3005 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 596 ppm. --- Disk space = 2.537554E+08 bytes free: One entry at every 10 minutes. There is space for 107889 hours ( 4495 days) more data --- 19-aug-19 17:55:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 19-aug-19 18:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.806 ref(beam) = 2.258 . Lamp 2 (470 nm): sen(beam) = 1.399 ref(beam) = 2.405 . Lamp 3 (520 nm): sen(beam) = 1.896 ref(beam) = 1.624 . Lamp 4 (590 nm): sen(beam) = 1.235 ref(beam) = 2.192 . Lamp 5 (660 nm): sen(beam) = .427 ref(beam) = .756 . Lamp 6 (880 nm): sen(beam) = .821 ref(beam) = 1.059 . Lamp 7 (950 nm): sen(beam) = 1.387 ref(beam) = 1.122 --- 19-aug-19 20:45:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 2.41 hours . Total airflow this filter = .29 cubic meters . Mean BC concentration of all lamps = 3197 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .758 sen(zero) = 0.021 . ref(beam) = 2.273 ref(zero) = 0.021 . Optical attenuation of filter deposit = 77 . Total aerosol black carbon on filter = 982 ng Mean aerosol black carbon concentration = 3486 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 418 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .717 sen(zero) = 0.021 . ref(beam) = 2.409 ref(zero) = 0.021 . Optical attenuation of filter deposit = 60 . Total aerosol black carbon on filter = 969 ng Mean aerosol black carbon concentration = 3441 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 541 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.067 sen(zero) = 0.021 . ref(beam) = 1.625 ref(zero) = 0.021 . Optical attenuation of filter deposit = 51 . Total aerosol black carbon on filter = 919 ng Mean aerosol black carbon concentration = 3264 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 494 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .778 sen(zero) = 0.021 . ref(beam) = 2.268 ref(zero) = 0.021 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 913 ng Mean aerosol black carbon concentration = 3241 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 753 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .281 sen(zero) = 0.021 . ref(beam) = .758 ref(zero) = 0.021 . Optical attenuation of filter deposit = 40 . Total aerosol black carbon on filter = 905 ng Mean aerosol black carbon concentration = 3214 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 421 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .614 sen(zero) = 0.021 . ref(beam) = 1.067 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 832 ng Mean aerosol black carbon concentration = 2956 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 748 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.077 sen(zero) = 0.021 . ref(beam) = 1.132 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 782 ng Mean aerosol black carbon concentration = 2778 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 597 ppm. --- Disk space = 2.537472E+08 bytes free: One entry at every 10 minutes. There is space for 107886 hours ( 4495 days) more data --- 19-aug-19 20:45:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 19-aug-19 21:09:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.837 ref(beam) = 2.211 . Lamp 2 (470 nm): sen(beam) = 1.427 ref(beam) = 2.331 . Lamp 3 (520 nm): sen(beam) = 1.928 ref(beam) = 1.582 . Lamp 4 (590 nm): sen(beam) = 1.263 ref(beam) = 2.133 . Lamp 5 (660 nm): sen(beam) = .437 ref(beam) = .730 . Lamp 6 (880 nm): sen(beam) = .834 ref(beam) = 1.033 . Lamp 7 (950 nm): sen(beam) = 1.416 ref(beam) = 1.096 --- 19-aug-19 23:35:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 2.41 hours . Total airflow this filter = .31 cubic meters . Mean BC concentration of all lamps = 2993 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .766 sen(zero) = 0.021 . ref(beam) = 2.214 ref(zero) = 0.021 . Optical attenuation of filter deposit = 78 . Total aerosol black carbon on filter = 992 ng Mean aerosol black carbon concentration = 3288 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 322 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .728 sen(zero) = 0.021 . ref(beam) = 2.327 ref(zero) = 0.021 . Optical attenuation of filter deposit = 60 . Total aerosol black carbon on filter = 976 ng Mean aerosol black carbon concentration = 3235 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 331 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.083 sen(zero) = 0.021 . ref(beam) = 1.579 ref(zero) = 0.021 . Optical attenuation of filter deposit = 51 . Total aerosol black carbon on filter = 922 ng Mean aerosol black carbon concentration = 3056 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 427 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .786 sen(zero) = 0.021 . ref(beam) = 2.177 ref(zero) = 0.021 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 913 ng Mean aerosol black carbon concentration = 3025 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 711 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .286 sen(zero) = 0.021 . ref(beam) = .728 ref(zero) = 0.021 . Optical attenuation of filter deposit = 40 . Total aerosol black carbon on filter = 908 ng Mean aerosol black carbon concentration = 3011 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 330 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .621 sen(zero) = 0.021 . ref(beam) = 1.035 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 829 ng Mean aerosol black carbon concentration = 2749 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 575 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.093 sen(zero) = 0.021 . ref(beam) = 1.098 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 779 ng Mean aerosol black carbon concentration = 2583 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 522 ppm. --- Disk space = 2.537349E+08 bytes free: One entry at every 10 minutes. There is space for 107880 hours ( 4495 days) more data --- 19-aug-19 23:35:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 19-aug-19 23:50:19 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.790 ref(beam) = 2.162 . Lamp 2 (470 nm): sen(beam) = 1.390 ref(beam) = 2.273 . Lamp 3 (520 nm): sen(beam) = 1.870 ref(beam) = 1.548 . Lamp 4 (590 nm): sen(beam) = 1.206 ref(beam) = 2.069 . Lamp 5 (660 nm): sen(beam) = .424 ref(beam) = .710 . Lamp 6 (880 nm): sen(beam) = .802 ref(beam) = 1.004 . Lamp 7 (950 nm): sen(beam) = 1.363 ref(beam) = 1.056 ---