============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 15-sep-19 00:29:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.956 ref(beam) = 2.357 . Lamp 2 (470 nm): sen(beam) = 1.507 ref(beam) = 2.531 . Lamp 3 (520 nm): sen(beam) = 2.003 ref(beam) = 1.804 . Lamp 4 (590 nm): sen(beam) = 1.330 ref(beam) = 2.373 . Lamp 5 (660 nm): sen(beam) = .461 ref(beam) = .799 . Lamp 6 (880 nm): sen(beam) = .890 ref(beam) = 1.183 . Lamp 7 (950 nm): sen(beam) = 1.505 ref(beam) = 1.239 --- 15-sep-19 04:05:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 3.58 hours . Total airflow this filter = .55 cubic meters . Mean BC concentration of all lamps = 1482 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .867 sen(zero) = 0.021 . ref(beam) = 2.363 ref(zero) = 0.021 . Optical attenuation of filter deposit = 76 . Total aerosol black carbon on filter = 969 ng Mean aerosol black carbon concentration = 1777 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 188 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .838 sen(zero) = 0.021 . ref(beam) = 2.526 ref(zero) = 0.021 . Optical attenuation of filter deposit = 55 . Total aerosol black carbon on filter = 891 ng Mean aerosol black carbon concentration = 1633 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 255 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.225 sen(zero) = 0.021 . ref(beam) = 1.798 ref(zero) = 0.021 . Optical attenuation of filter deposit = 46 . Total aerosol black carbon on filter = 820 ng Mean aerosol black carbon concentration = 1503 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 224 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .893 sen(zero) = 0.021 . ref(beam) = 2.415 ref(zero) = 0.021 . Optical attenuation of filter deposit = 39 . Total aerosol black carbon on filter = 803 ng Mean aerosol black carbon concentration = 1473 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 777 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .321 sen(zero) = 0.021 . ref(beam) = .796 ref(zero) = 0.021 . Optical attenuation of filter deposit = 35 . Total aerosol black carbon on filter = 796 ng Mean aerosol black carbon concentration = 1460 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 321 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .697 sen(zero) = 0.021 . ref(beam) = 1.184 ref(zero) = 0.021 . Optical attenuation of filter deposit = 23 . Total aerosol black carbon on filter = 713 ng Mean aerosol black carbon concentration = 1307 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 501 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.216 sen(zero) = 0.021 . ref(beam) = 1.242 ref(zero) = 0.021 . Optical attenuation of filter deposit = 20 . Total aerosol black carbon on filter = 667 ng Mean aerosol black carbon concentration = 1223 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 418 ppm. --- Disk space = 2.538783E+08 bytes free: One entry at every 10 minutes. There is space for 107941 hours ( 4498 days) more data --- 15-sep-19 04:05:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 15-sep-19 04:29:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.913 ref(beam) = 2.204 . Lamp 2 (470 nm): sen(beam) = 1.499 ref(beam) = 2.414 . Lamp 3 (520 nm): sen(beam) = 2.007 ref(beam) = 1.686 . Lamp 4 (590 nm): sen(beam) = 1.332 ref(beam) = 2.180 . Lamp 5 (660 nm): sen(beam) = .460 ref(beam) = .765 . Lamp 6 (880 nm): sen(beam) = .889 ref(beam) = 1.101 . Lamp 7 (950 nm): sen(beam) = 1.494 ref(beam) = 1.162 --- 15-sep-19 07:55:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 3.41 hours . Total airflow this filter = .51 cubic meters . Mean BC concentration of all lamps = 1542 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .844 sen(zero) = 0.021 . ref(beam) = 2.221 ref(zero) = 0.021 . Optical attenuation of filter deposit = 76 . Total aerosol black carbon on filter = 968 ng Mean aerosol black carbon concentration = 1931 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 223 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .848 sen(zero) = 0.021 . ref(beam) = 2.418 ref(zero) = 0.021 . Optical attenuation of filter deposit = 53 . Total aerosol black carbon on filter = 858 ng Mean aerosol black carbon concentration = 1711 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 115 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.252 sen(zero) = 0.021 . ref(beam) = 1.684 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 780 ng Mean aerosol black carbon concentration = 1557 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 167 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .924 sen(zero) = 0.021 . ref(beam) = 2.253 ref(zero) = 0.021 . Optical attenuation of filter deposit = 37 . Total aerosol black carbon on filter = 760 ng Mean aerosol black carbon concentration = 1517 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 415 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .328 sen(zero) = 0.021 . ref(beam) = .768 ref(zero) = 0.021 . Optical attenuation of filter deposit = 33 . Total aerosol black carbon on filter = 749 ng Mean aerosol black carbon concentration = 1493 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 188 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .710 sen(zero) = 0.021 . ref(beam) = 1.109 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 667 ng Mean aerosol black carbon concentration = 1330 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 391 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.231 sen(zero) = 0.021 . ref(beam) = 1.174 ref(zero) = 0.021 . Optical attenuation of filter deposit = 19 . Total aerosol black carbon on filter = 628 ng Mean aerosol black carbon concentration = 1253 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 376 ppm. --- Disk space = 2.538619E+08 bytes free: One entry at every 10 minutes. There is space for 107934 hours ( 4497 days) more data --- 15-sep-19 07:55:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 15-sep-19 08:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.736 ref(beam) = 2.244 . Lamp 2 (470 nm): sen(beam) = 1.363 ref(beam) = 2.399 . Lamp 3 (520 nm): sen(beam) = 1.831 ref(beam) = 1.703 . Lamp 4 (590 nm): sen(beam) = 1.203 ref(beam) = 2.231 . Lamp 5 (660 nm): sen(beam) = .416 ref(beam) = .753 . Lamp 6 (880 nm): sen(beam) = .815 ref(beam) = 1.108 . Lamp 7 (950 nm): sen(beam) = 1.367 ref(beam) = 1.158 --- 15-sep-19 10:55:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 2.58 hours . Total airflow this filter = .43 cubic meters . Mean BC concentration of all lamps = 1958 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .730 sen(zero) = 0.021 . ref(beam) = 2.271 ref(zero) = 0.021 . Optical attenuation of filter deposit = 78 . Total aerosol black carbon on filter = 991 ng Mean aerosol black carbon concentration = 2360 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 502 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .733 sen(zero) = 0.021 . ref(beam) = 2.406 ref(zero) = 0.021 . Optical attenuation of filter deposit = 56 . Total aerosol black carbon on filter = 910 ng Mean aerosol black carbon concentration = 2166 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 361 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.094 sen(zero) = 0.021 . ref(beam) = 1.704 ref(zero) = 0.021 . Optical attenuation of filter deposit = 46 . Total aerosol black carbon on filter = 833 ng Mean aerosol black carbon concentration = 1985 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 795 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .814 sen(zero) = 0.021 . ref(beam) = 2.337 ref(zero) = 0.021 . Optical attenuation of filter deposit = 40 . Total aerosol black carbon on filter = 815 ng Mean aerosol black carbon concentration = 1940 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 757 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .289 sen(zero) = 0.021 . ref(beam) = .759 ref(zero) = 0.021 . Optical attenuation of filter deposit = 35 . Total aerosol black carbon on filter = 804 ng Mean aerosol black carbon concentration = 1914 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 463 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .640 sen(zero) = 0.021 . ref(beam) = 1.124 ref(zero) = 0.021 . Optical attenuation of filter deposit = 23 . Total aerosol black carbon on filter = 722 ng Mean aerosol black carbon concentration = 1720 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 878 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.112 sen(zero) = 0.021 . ref(beam) = 1.180 ref(zero) = 0.021 . Optical attenuation of filter deposit = 20 . Total aerosol black carbon on filter = 680 ng Mean aerosol black carbon concentration = 1618 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 617 ppm. --- Disk space = 2.538537E+08 bytes free: One entry at every 10 minutes. There is space for 107931 hours ( 4497 days) more data --- 15-sep-19 10:55:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 15-sep-19 11:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.850 ref(beam) = 2.276 . Lamp 2 (470 nm): sen(beam) = 1.438 ref(beam) = 2.427 . Lamp 3 (520 nm): sen(beam) = 1.930 ref(beam) = 1.702 . Lamp 4 (590 nm): sen(beam) = 1.285 ref(beam) = 2.252 . Lamp 5 (660 nm): sen(beam) = .441 ref(beam) = .767 . Lamp 6 (880 nm): sen(beam) = .861 ref(beam) = 1.120 . Lamp 7 (950 nm): sen(beam) = 1.448 ref(beam) = 1.168 --- 15-sep-19 14:05:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 2.75 hours . Total airflow this filter = .45 cubic meters . Mean BC concentration of all lamps = 1860 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .786 sen(zero) = 0.021 . ref(beam) = 2.314 ref(zero) = 0.021 . Optical attenuation of filter deposit = 78 . Total aerosol black carbon on filter = 990 ng Mean aerosol black carbon concentration = 2225 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1475 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .777 sen(zero) = 0.021 . ref(beam) = 2.446 ref(zero) = 0.021 . Optical attenuation of filter deposit = 56 . Total aerosol black carbon on filter = 910 ng Mean aerosol black carbon concentration = 2047 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1313 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.155 sen(zero) = 0.021 . ref(beam) = 1.711 ref(zero) = 0.021 . Optical attenuation of filter deposit = 47 . Total aerosol black carbon on filter = 839 ng Mean aerosol black carbon concentration = 1886 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1424 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .879 sen(zero) = 0.021 . ref(beam) = 2.388 ref(zero) = 0.021 . Optical attenuation of filter deposit = 40 . Total aerosol black carbon on filter = 817 ng Mean aerosol black carbon concentration = 1836 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1628 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .307 sen(zero) = 0.021 . ref(beam) = .777 ref(zero) = 0.021 . Optical attenuation of filter deposit = 35 . Total aerosol black carbon on filter = 808 ng Mean aerosol black carbon concentration = 1816 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1582 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .677 sen(zero) = 0.021 . ref(beam) = 1.143 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 736 ng Mean aerosol black carbon concentration = 1655 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1553 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.180 sen(zero) = 0.021 . ref(beam) = 1.199 ref(zero) = 0.021 . Optical attenuation of filter deposit = 21 . Total aerosol black carbon on filter = 692 ng Mean aerosol black carbon concentration = 1555 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1580 ppm. --- Disk space = 2.538414E+08 bytes free: One entry at every 10 minutes. There is space for 107926 hours ( 4497 days) more data --- 15-sep-19 14:05:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 15-sep-19 14:29:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.824 ref(beam) = 2.254 . Lamp 2 (470 nm): sen(beam) = 1.399 ref(beam) = 2.362 . Lamp 3 (520 nm): sen(beam) = 1.847 ref(beam) = 1.683 . Lamp 4 (590 nm): sen(beam) = 1.256 ref(beam) = 2.286 . Lamp 5 (660 nm): sen(beam) = .430 ref(beam) = .746 . Lamp 6 (880 nm): sen(beam) = .838 ref(beam) = 1.117 . Lamp 7 (950 nm): sen(beam) = 1.417 ref(beam) = 1.160 --- 15-sep-19 17:35:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 3.08 hours . Total airflow this filter = .51 cubic meters . Mean BC concentration of all lamps = 1670 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .799 sen(zero) = 0.021 . ref(beam) = 2.262 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 954 ng Mean aerosol black carbon concentration = 1891 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 364 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .754 sen(zero) = 0.021 . ref(beam) = 2.356 ref(zero) = 0.021 . Optical attenuation of filter deposit = 56 . Total aerosol black carbon on filter = 912 ng Mean aerosol black carbon concentration = 1808 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 223 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.093 sen(zero) = 0.021 . ref(beam) = 1.676 ref(zero) = 0.021 . Optical attenuation of filter deposit = 48 . Total aerosol black carbon on filter = 854 ng Mean aerosol black carbon concentration = 1692 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 150 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .832 sen(zero) = 0.021 . ref(beam) = 2.363 ref(zero) = 0.021 . Optical attenuation of filter deposit = 41 . Total aerosol black carbon on filter = 839 ng Mean aerosol black carbon concentration = 1664 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 707 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .293 sen(zero) = 0.021 . ref(beam) = .746 ref(zero) = 0.021 . Optical attenuation of filter deposit = 37 . Total aerosol black carbon on filter = 840 ng Mean aerosol black carbon concentration = 1665 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 375 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .643 sen(zero) = 0.021 . ref(beam) = 1.123 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 773 ng Mean aerosol black carbon concentration = 1532 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 514 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.125 sen(zero) = 0.021 . ref(beam) = 1.169 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 727 ng Mean aerosol black carbon concentration = 1440 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 641 ppm. --- Disk space = 2.538291E+08 bytes free: One entry at every 10 minutes. There is space for 107921 hours ( 4497 days) more data --- 15-sep-19 17:35:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 15-sep-19 17:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.829 ref(beam) = 2.336 . Lamp 2 (470 nm): sen(beam) = 1.414 ref(beam) = 2.438 . Lamp 3 (520 nm): sen(beam) = 1.865 ref(beam) = 1.786 . Lamp 4 (590 nm): sen(beam) = 1.263 ref(beam) = 2.424 . Lamp 5 (660 nm): sen(beam) = .431 ref(beam) = .767 . Lamp 6 (880 nm): sen(beam) = .851 ref(beam) = 1.186 . Lamp 7 (950 nm): sen(beam) = 1.432 ref(beam) = 1.215 --- 15-sep-19 21:15:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 3.24 hours . Total airflow this filter = .56 cubic meters . Mean BC concentration of all lamps = 1551 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .788 sen(zero) = 0.021 . ref(beam) = 2.334 ref(zero) = 0.021 . Optical attenuation of filter deposit = 77 . Total aerosol black carbon on filter = 980 ng Mean aerosol black carbon concentration = 1770 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1270 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .757 sen(zero) = 0.021 . ref(beam) = 2.431 ref(zero) = 0.021 . Optical attenuation of filter deposit = 57 . Total aerosol black carbon on filter = 928 ng Mean aerosol black carbon concentration = 1677 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1121 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.100 sen(zero) = 0.021 . ref(beam) = 1.780 ref(zero) = 0.021 . Optical attenuation of filter deposit = 48 . Total aerosol black carbon on filter = 865 ng Mean aerosol black carbon concentration = 1562 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1295 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .818 sen(zero) = 0.021 . ref(beam) = 2.459 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 852 ng Mean aerosol black carbon concentration = 1539 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1200 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .291 sen(zero) = 0.021 . ref(beam) = .764 ref(zero) = 0.021 . Optical attenuation of filter deposit = 37 . Total aerosol black carbon on filter = 855 ng Mean aerosol black carbon concentration = 1544 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1162 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .646 sen(zero) = 0.021 . ref(beam) = 1.185 ref(zero) = 0.021 . Optical attenuation of filter deposit = 26 . Total aerosol black carbon on filter = 788 ng Mean aerosol black carbon concentration = 1424 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1243 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.124 sen(zero) = 0.021 . ref(beam) = 1.215 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 742 ng Mean aerosol black carbon concentration = 1341 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1169 ppm. --- Disk space = 2.538209E+08 bytes free: One entry at every 10 minutes. There is space for 107917 hours ( 4497 days) more data --- 15-sep-19 21:15:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 15-sep-19 21:39:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.892 ref(beam) = 2.337 . Lamp 2 (470 nm): sen(beam) = 1.456 ref(beam) = 2.460 . Lamp 3 (520 nm): sen(beam) = 1.936 ref(beam) = 1.754 . Lamp 4 (590 nm): sen(beam) = 1.300 ref(beam) = 2.330 . Lamp 5 (660 nm): sen(beam) = .444 ref(beam) = .773 . Lamp 6 (880 nm): sen(beam) = .869 ref(beam) = 1.151 . Lamp 7 (950 nm): sen(beam) = 1.465 ref(beam) = 1.201 ---