17-sep-17 00:45:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 7.58 hours . Total airflow this filter = .87 cubic meters . Mean BC concentration of all lamps = 748 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .817 sen(zero) = 0.021 . ref(beam) = 2.157 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 951 ng Mean aerosol black carbon concentration = 1105 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 75 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .900 sen(zero) = 0.021 . ref(beam) = 2.357 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 719 ng Mean aerosol black carbon concentration = 835 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 35 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.220 sen(zero) = 0.021 . ref(beam) = 1.625 ref(zero) = 0.021 . Optical attenuation of filter deposit = 35 . Total aerosol black carbon on filter = 628 ng Mean aerosol black carbon concentration = 730 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 42 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .844 sen(zero) = 0.021 . ref(beam) = 2.050 ref(zero) = 0.021 . Optical attenuation of filter deposit = 29 . Total aerosol black carbon on filter = 598 ng Mean aerosol black carbon concentration = 694 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 221 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .357 sen(zero) = 0.021 . ref(beam) = .818 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 585 ng Mean aerosol black carbon concentration = 680 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 82 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .634 sen(zero) = 0.021 . ref(beam) = 1.040 ref(zero) = 0.021 . Optical attenuation of filter deposit = 17 . Total aerosol black carbon on filter = 529 ng Mean aerosol black carbon concentration = 614 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 99 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.069 sen(zero) = 0.021 . ref(beam) = 1.067 ref(zero) = 0.021 . Optical attenuation of filter deposit = 15 . Total aerosol black carbon on filter = 498 ng Mean aerosol black carbon concentration = 579 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 113 ppm. --- Disk space = 2.539356E+08 bytes free: One entry at every 10 minutes. There is space for 107966 hours ( 4499 days) more data --- 17-sep-17 00:45:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 17-sep-17 01:09:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.660 ref(beam) = 2.127 . Lamp 2 (470 nm): sen(beam) = 1.386 ref(beam) = 2.377 . Lamp 3 (520 nm): sen(beam) = 1.716 ref(beam) = 1.636 . Lamp 4 (590 nm): sen(beam) = 1.083 ref(beam) = 1.994 . Lamp 5 (660 nm): sen(beam) = .455 ref(beam) = .826 . Lamp 6 (880 nm): sen(beam) = .738 ref(beam) = 1.041 . Lamp 7 (950 nm): sen(beam) = 1.219 ref(beam) = 1.068 --- 17-sep-17 04:15:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 3.08 hours . Total airflow this filter = .35 cubic meters . Mean BC concentration of all lamps = 1437 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .724 sen(zero) = 0.021 . ref(beam) = 2.158 ref(zero) = 0.021 . Optical attenuation of filter deposit = 78 . Total aerosol black carbon on filter = 992 ng Mean aerosol black carbon concentration = 2903 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 203 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .936 sen(zero) = 0.021 . ref(beam) = 2.387 ref(zero) = 0.021 . Optical attenuation of filter deposit = 37 . Total aerosol black carbon on filter = 598 ng Mean aerosol black carbon concentration = 1751 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 53 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.302 sen(zero) = 0.021 . ref(beam) = 1.640 ref(zero) = 0.021 . Optical attenuation of filter deposit = 26 . Total aerosol black carbon on filter = 464 ng Mean aerosol black carbon concentration = 1359 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 40 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .923 sen(zero) = 0.021 . ref(beam) = 2.098 ref(zero) = 0.021 . Optical attenuation of filter deposit = 20 . Total aerosol black carbon on filter = 406 ng Mean aerosol black carbon concentration = 1188 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 574 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .388 sen(zero) = 0.021 . ref(beam) = .835 ref(zero) = 0.021 . Optical attenuation of filter deposit = 16 . Total aerosol black carbon on filter = 374 ng Mean aerosol black carbon concentration = 1096 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 218 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .673 sen(zero) = 0.021 . ref(beam) = 1.058 ref(zero) = 0.021 . Optical attenuation of filter deposit = 10 . Total aerosol black carbon on filter = 312 ng Mean aerosol black carbon concentration = 914 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 296 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.132 sen(zero) = 0.021 . ref(beam) = 1.090 ref(zero) = 0.021 . Optical attenuation of filter deposit = 8 . Total aerosol black carbon on filter = 291 ng Mean aerosol black carbon concentration = 851 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 349 ppm. --- Disk space = 2.53911E+08 bytes free: One entry at every 10 minutes. There is space for 107955 hours ( 4498 days) more data --- 17-sep-17 04:15:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 17-sep-17 04:39:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.651 ref(beam) = 2.188 . Lamp 2 (470 nm): sen(beam) = 1.401 ref(beam) = 2.410 . Lamp 3 (520 nm): sen(beam) = 1.739 ref(beam) = 1.657 . Lamp 4 (590 nm): sen(beam) = 1.115 ref(beam) = 2.045 . Lamp 5 (660 nm): sen(beam) = .465 ref(beam) = .840 . Lamp 6 (880 nm): sen(beam) = .755 ref(beam) = 1.061 . Lamp 7 (950 nm): sen(beam) = 1.247 ref(beam) = 1.089 --- 17-sep-17 08:25:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 3.74 hours . Total airflow this filter = .42 cubic meters . Mean BC concentration of all lamps = 1205 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .733 sen(zero) = 0.021 . ref(beam) = 2.215 ref(zero) = 0.021 . Optical attenuation of filter deposit = 76 . Total aerosol black carbon on filter = 967 ng Mean aerosol black carbon concentration = 2320 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 105 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .938 sen(zero) = 0.021 . ref(beam) = 2.419 ref(zero) = 0.021 . Optical attenuation of filter deposit = 37 . Total aerosol black carbon on filter = 609 ng Mean aerosol black carbon concentration = 1462 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 36 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.308 sen(zero) = 0.021 . ref(beam) = 1.660 ref(zero) = 0.021 . Optical attenuation of filter deposit = 26 . Total aerosol black carbon on filter = 479 ng Mean aerosol black carbon concentration = 1151 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 59 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .942 sen(zero) = 0.021 . ref(beam) = 2.148 ref(zero) = 0.021 . Optical attenuation of filter deposit = 20 . Total aerosol black carbon on filter = 421 ng Mean aerosol black carbon concentration = 1010 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 321 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .393 sen(zero) = 0.021 . ref(beam) = .848 ref(zero) = 0.021 . Optical attenuation of filter deposit = 17 . Total aerosol black carbon on filter = 390 ng Mean aerosol black carbon concentration = 937 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 98 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .683 sen(zero) = 0.021 . ref(beam) = 1.077 ref(zero) = 0.021 . Optical attenuation of filter deposit = 11 . Total aerosol black carbon on filter = 334 ng Mean aerosol black carbon concentration = 803 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 138 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.149 sen(zero) = 0.021 . ref(beam) = 1.110 ref(zero) = 0.021 . Optical attenuation of filter deposit = 9 . Total aerosol black carbon on filter = 312 ng Mean aerosol black carbon concentration = 749 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 205 ppm. --- Disk space = 2.538988E+08 bytes free: One entry at every 10 minutes. There is space for 107950 hours ( 4498 days) more data --- 17-sep-17 08:25:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 17-sep-17 08:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.704 ref(beam) = 2.197 . Lamp 2 (470 nm): sen(beam) = 1.409 ref(beam) = 2.428 . Lamp 3 (520 nm): sen(beam) = 1.736 ref(beam) = 1.668 . Lamp 4 (590 nm): sen(beam) = 1.133 ref(beam) = 2.083 . Lamp 5 (660 nm): sen(beam) = .468 ref(beam) = .849 . Lamp 6 (880 nm): sen(beam) = .757 ref(beam) = 1.071 . Lamp 7 (950 nm): sen(beam) = 1.255 ref(beam) = 1.107 --- 17-sep-17 12:35:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 3.74 hours . Total airflow this filter = .42 cubic meters . Mean BC concentration of all lamps = 1455 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .754 sen(zero) = 0.021 . ref(beam) = 2.196 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 954 ng Mean aerosol black carbon concentration = 2274 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 155 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .887 sen(zero) = 0.021 . ref(beam) = 2.422 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 705 ng Mean aerosol black carbon concentration = 1680 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 103 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.216 sen(zero) = 0.021 . ref(beam) = 1.661 ref(zero) = 0.021 . Optical attenuation of filter deposit = 33 . Total aerosol black carbon on filter = 598 ng Mean aerosol black carbon concentration = 1426 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 113 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .861 sen(zero) = 0.021 . ref(beam) = 2.102 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 558 ng Mean aerosol black carbon concentration = 1330 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 481 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .365 sen(zero) = 0.021 . ref(beam) = .844 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 542 ng Mean aerosol black carbon concentration = 1292 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 206 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .642 sen(zero) = 0.021 . ref(beam) = 1.066 ref(zero) = 0.021 . Optical attenuation of filter deposit = 15 . Total aerosol black carbon on filter = 473 ng Mean aerosol black carbon concentration = 1128 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 259 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.086 sen(zero) = 0.021 . ref(beam) = 1.102 ref(zero) = 0.021 . Optical attenuation of filter deposit = 13 . Total aerosol black carbon on filter = 441 ng Mean aerosol black carbon concentration = 1052 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 311 ppm. --- Disk space = 2.538865E+08 bytes free: One entry at every 10 minutes. There is space for 107945 hours ( 4498 days) more data --- 17-sep-17 12:35:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 17-sep-17 12:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.690 ref(beam) = 2.148 . Lamp 2 (470 nm): sen(beam) = 1.398 ref(beam) = 2.385 . Lamp 3 (520 nm): sen(beam) = 1.735 ref(beam) = 1.650 . Lamp 4 (590 nm): sen(beam) = 1.103 ref(beam) = 2.028 . Lamp 5 (660 nm): sen(beam) = .458 ref(beam) = .826 . Lamp 6 (880 nm): sen(beam) = .749 ref(beam) = 1.051 . Lamp 7 (950 nm): sen(beam) = 1.236 ref(beam) = 1.078 --- 17-sep-17 16:15:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 3.24 hours . Total airflow this filter = .36 cubic meters . Mean BC concentration of all lamps = 1732 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .737 sen(zero) = 0.021 . ref(beam) = 2.160 ref(zero) = 0.021 . Optical attenuation of filter deposit = 78 . Total aerosol black carbon on filter = 988 ng Mean aerosol black carbon concentration = 2758 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 726 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .865 sen(zero) = 0.021 . ref(beam) = 2.386 ref(zero) = 0.021 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 724 ng Mean aerosol black carbon concentration = 2021 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 691 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.198 sen(zero) = 0.021 . ref(beam) = 1.649 ref(zero) = 0.021 . Optical attenuation of filter deposit = 34 . Total aerosol black carbon on filter = 613 ng Mean aerosol black carbon concentration = 1711 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 770 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .843 sen(zero) = 0.021 . ref(beam) = 2.082 ref(zero) = 0.021 . Optical attenuation of filter deposit = 28 . Total aerosol black carbon on filter = 566 ng Mean aerosol black carbon concentration = 1580 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 774 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .358 sen(zero) = 0.021 . ref(beam) = .827 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 541 ng Mean aerosol black carbon concentration = 1512 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 803 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .639 sen(zero) = 0.021 . ref(beam) = 1.056 ref(zero) = 0.021 . Optical attenuation of filter deposit = 15 . Total aerosol black carbon on filter = 472 ng Mean aerosol black carbon concentration = 1317 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 779 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.081 sen(zero) = 0.021 . ref(beam) = 1.087 ref(zero) = 0.021 . Optical attenuation of filter deposit = 13 . Total aerosol black carbon on filter = 438 ng Mean aerosol black carbon concentration = 1224 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 689 ppm. --- Disk space = 2.538742E+08 bytes free: One entry at every 10 minutes. There is space for 107940 hours ( 4498 days) more data --- 17-sep-17 16:15:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 17-sep-17 16:39:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.617 ref(beam) = 2.209 . Lamp 2 (470 nm): sen(beam) = 1.391 ref(beam) = 2.429 . Lamp 3 (520 nm): sen(beam) = 1.734 ref(beam) = 1.674 . Lamp 4 (590 nm): sen(beam) = 1.096 ref(beam) = 2.045 . Lamp 5 (660 nm): sen(beam) = .459 ref(beam) = .838 . Lamp 6 (880 nm): sen(beam) = .755 ref(beam) = 1.060 . Lamp 7 (950 nm): sen(beam) = 1.247 ref(beam) = 1.087 --- 17-sep-17 18:45:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 2.08 hours . Total airflow this filter = .23 cubic meters . Mean BC concentration of all lamps = 2501 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .658 sen(zero) = 0.021 . ref(beam) = 2.223 ref(zero) = 0.021 . Optical attenuation of filter deposit = 78 . Total aerosol black carbon on filter = 998 ng Mean aerosol black carbon concentration = 4353 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 394 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .847 sen(zero) = 0.021 . ref(beam) = 2.431 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 707 ng Mean aerosol black carbon concentration = 3086 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 392 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.206 sen(zero) = 0.021 . ref(beam) = 1.673 ref(zero) = 0.021 . Optical attenuation of filter deposit = 32 . Total aerosol black carbon on filter = 572 ng Mean aerosol black carbon concentration = 2494 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 272 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .859 sen(zero) = 0.021 . ref(beam) = 2.115 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 505 ng Mean aerosol black carbon concentration = 2205 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 434 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .368 sen(zero) = 0.021 . ref(beam) = .841 ref(zero) = 0.021 . Optical attenuation of filter deposit = 21 . Total aerosol black carbon on filter = 473 ng Mean aerosol black carbon concentration = 2064 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 283 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .659 sen(zero) = 0.021 . ref(beam) = 1.068 ref(zero) = 0.021 . Optical attenuation of filter deposit = 13 . Total aerosol black carbon on filter = 394 ng Mean aerosol black carbon concentration = 1721 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 543 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.114 sen(zero) = 0.021 . ref(beam) = 1.099 ref(zero) = 0.021 . Optical attenuation of filter deposit = 11 . Total aerosol black carbon on filter = 362 ng Mean aerosol black carbon concentration = 1581 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 506 ppm. --- Disk space = 2.538619E+08 bytes free: One entry at every 10 minutes. There is space for 107934 hours ( 4497 days) more data --- 17-sep-17 18:45:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 17-sep-17 19:09:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.687 ref(beam) = 2.199 . Lamp 2 (470 nm): sen(beam) = 1.412 ref(beam) = 2.427 . Lamp 3 (520 nm): sen(beam) = 1.768 ref(beam) = 1.679 . Lamp 4 (590 nm): sen(beam) = 1.115 ref(beam) = 2.043 . Lamp 5 (660 nm): sen(beam) = .463 ref(beam) = .837 . Lamp 6 (880 nm): sen(beam) = .766 ref(beam) = 1.062 . Lamp 7 (950 nm): sen(beam) = 1.261 ref(beam) = 1.088 --- 17-sep-17 21:55:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 2.75 hours . Total airflow this filter = .31 cubic meters . Mean BC concentration of all lamps = 1925 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .702 sen(zero) = 0.021 . ref(beam) = 2.207 ref(zero) = 0.021 . Optical attenuation of filter deposit = 78 . Total aerosol black carbon on filter = 991 ng Mean aerosol black carbon concentration = 3214 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 133 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .863 sen(zero) = 0.021 . ref(beam) = 2.426 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 715 ng Mean aerosol black carbon concentration = 2317 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 70 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.223 sen(zero) = 0.021 . ref(beam) = 1.676 ref(zero) = 0.021 . Optical attenuation of filter deposit = 33 . Total aerosol black carbon on filter = 589 ng Mean aerosol black carbon concentration = 1911 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 109 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .858 sen(zero) = 0.021 . ref(beam) = 2.092 ref(zero) = 0.021 . Optical attenuation of filter deposit = 26 . Total aerosol black carbon on filter = 533 ng Mean aerosol black carbon concentration = 1729 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 276 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .366 sen(zero) = 0.021 . ref(beam) = .837 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 505 ng Mean aerosol black carbon concentration = 1638 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 119 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .660 sen(zero) = 0.021 . ref(beam) = 1.065 ref(zero) = 0.021 . Optical attenuation of filter deposit = 14 . Total aerosol black carbon on filter = 428 ng Mean aerosol black carbon concentration = 1387 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 185 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.111 sen(zero) = 0.021 . ref(beam) = 1.093 ref(zero) = 0.021 . Optical attenuation of filter deposit = 12 . Total aerosol black carbon on filter = 394 ng Mean aerosol black carbon concentration = 1278 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 168 ppm. --- Disk space = 2.538537E+08 bytes free: One entry at every 10 minutes. There is space for 107931 hours ( 4497 days) more data --- 17-sep-17 21:55:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 17-sep-17 22:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.703 ref(beam) = 2.149 . Lamp 2 (470 nm): sen(beam) = 1.426 ref(beam) = 2.374 . Lamp 3 (520 nm): sen(beam) = 1.772 ref(beam) = 1.647 . Lamp 4 (590 nm): sen(beam) = 1.107 ref(beam) = 1.990 . Lamp 5 (660 nm): sen(beam) = .465 ref(beam) = .818 . Lamp 6 (880 nm): sen(beam) = .763 ref(beam) = 1.039 . Lamp 7 (950 nm): sen(beam) = 1.259 ref(beam) = 1.066 ---