27-sep-19 04:35:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 18.08 hours . Total airflow this filter = 2.76 cubic meters . Mean BC concentration of all lamps = 343 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .910 sen(zero) = 0.021 . ref(beam) = 2.356 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 951 ng Mean aerosol black carbon concentration = 345 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 271 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .806 sen(zero) = 0.021 . ref(beam) = 2.566 ref(zero) = 0.021 . Optical attenuation of filter deposit = 60 . Total aerosol black carbon on filter = 973 ng Mean aerosol black carbon concentration = 353 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 195 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.146 sen(zero) = 0.021 . ref(beam) = 1.766 ref(zero) = 0.021 . Optical attenuation of filter deposit = 53 . Total aerosol black carbon on filter = 944 ng Mean aerosol black carbon concentration = 342 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 268 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .825 sen(zero) = 0.021 . ref(beam) = 2.318 ref(zero) = 0.021 . Optical attenuation of filter deposit = 47 . Total aerosol black carbon on filter = 963 ng Mean aerosol black carbon concentration = 349 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 535 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .295 sen(zero) = 0.021 . ref(beam) = .809 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 974 ng Mean aerosol black carbon concentration = 353 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 313 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .626 sen(zero) = 0.021 . ref(beam) = 1.148 ref(zero) = 0.021 . Optical attenuation of filter deposit = 30 . Total aerosol black carbon on filter = 932 ng Mean aerosol black carbon concentration = 338 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 401 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.094 sen(zero) = 0.021 . ref(beam) = 1.226 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 885 ng Mean aerosol black carbon concentration = 321 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 379 ppm. --- Disk space = 2.535752E+08 bytes free: One entry at every 10 minutes. There is space for 107813 hours ( 4492 days) more data --- 27-sep-19 04:35:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 27-sep-19 04:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.933 ref(beam) = 2.285 . Lamp 2 (470 nm): sen(beam) = 1.473 ref(beam) = 2.483 . Lamp 3 (520 nm): sen(beam) = 1.960 ref(beam) = 1.719 . Lamp 4 (590 nm): sen(beam) = 1.280 ref(beam) = 2.195 . Lamp 5 (660 nm): sen(beam) = .442 ref(beam) = .778 . Lamp 6 (880 nm): sen(beam) = .840 ref(beam) = 1.109 . Lamp 7 (950 nm): sen(beam) = 1.414 ref(beam) = 1.172 --- 27-sep-19 23:05:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 18.08 hours . Total airflow this filter = 3.03 cubic meters . Mean BC concentration of all lamps = 326 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .927 sen(zero) = 0.021 . ref(beam) = 2.325 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 953 ng Mean aerosol black carbon concentration = 315 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 517 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .797 sen(zero) = 0.021 . ref(beam) = 2.495 ref(zero) = 0.021 . Optical attenuation of filter deposit = 62 . Total aerosol black carbon on filter = 1000 ng Mean aerosol black carbon concentration = 330 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 456 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.134 sen(zero) = 0.021 . ref(beam) = 1.725 ref(zero) = 0.021 . Optical attenuation of filter deposit = 55 . Total aerosol black carbon on filter = 980 ng Mean aerosol black carbon concentration = 324 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 505 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .833 sen(zero) = 0.021 . ref(beam) = 2.338 ref(zero) = 0.021 . Optical attenuation of filter deposit = 50 . Total aerosol black carbon on filter = 1008 ng Mean aerosol black carbon concentration = 333 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 603 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .291 sen(zero) = 0.021 . ref(beam) = .788 ref(zero) = 0.021 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 1023 ng Mean aerosol black carbon concentration = 338 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 523 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .620 sen(zero) = 0.021 . ref(beam) = 1.133 ref(zero) = 0.021 . Optical attenuation of filter deposit = 33 . Total aerosol black carbon on filter = 997 ng Mean aerosol black carbon concentration = 329 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 617 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.083 sen(zero) = 0.021 . ref(beam) = 1.203 ref(zero) = 0.021 . Optical attenuation of filter deposit = 29 . Total aerosol black carbon on filter = 957 ng Mean aerosol black carbon concentration = 316 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 641 ppm. --- Disk space = 2.53526E+08 bytes free: One entry at every 10 minutes. There is space for 107792 hours ( 4491 days) more data --- 27-sep-19 23:05:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 27-sep-19 23:29:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.924 ref(beam) = 2.423 . Lamp 2 (470 nm): sen(beam) = 1.462 ref(beam) = 2.589 . Lamp 3 (520 nm): sen(beam) = 1.947 ref(beam) = 1.806 . Lamp 4 (590 nm): sen(beam) = 1.300 ref(beam) = 2.368 . Lamp 5 (660 nm): sen(beam) = .443 ref(beam) = .813 . Lamp 6 (880 nm): sen(beam) = .853 ref(beam) = 1.183 . Lamp 7 (950 nm): sen(beam) = 1.432 ref(beam) = 1.242 ---