02-feb-13 01:32:11 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 47.33 hours . Total airflow this filter = 13.87 cubic meters . Mean BC concentration of all lamps = 34 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .189 sen(zero) = 0.021 . ref(beam) = 2.187 ref(zero) = 0.021 . Optical attenuation of filter deposit = 31 . Total aerosol black carbon on filter = 402 ng Mean aerosol black carbon concentration = 29 ng/m3 --- The reference beam showed lamp intensity fluctuations of 46 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .376 sen(zero) = 0.021 . ref(beam) = 2.395 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 448 ng Mean aerosol black carbon concentration = 32 ng/m3 --- The reference beam showed lamp intensity fluctuations of 32 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .296 sen(zero) = 0.021 . ref(beam) = 2.444 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 457 ng Mean aerosol black carbon concentration = 33 ng/m3 --- The reference beam showed lamp intensity fluctuations of 34 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .444 sen(zero) = 0.021 . ref(beam) = 1.237 ref(zero) = 0.021 . Optical attenuation of filter deposit = 23 . Total aerosol black carbon on filter = 476 ng Mean aerosol black carbon concentration = 34 ng/m3 --- The reference beam showed lamp intensity fluctuations of 108 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .589 sen(zero) = 0.021 . ref(beam) = 2.278 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 497 ng Mean aerosol black carbon concentration = 35 ng/m3 --- The reference beam showed lamp intensity fluctuations of 64 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .802 sen(zero) = 0.021 . ref(beam) = 3.516 ref(zero) = 0.021 . Optical attenuation of filter deposit = 18 . Total aerosol black carbon on filter = 544 ng Mean aerosol black carbon concentration = 39 ng/m3 --- The reference beam showed lamp intensity fluctuations of 67 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .686 sen(zero) = 0.021 . ref(beam) = 4.529 ref(zero) = 0.021 . Optical attenuation of filter deposit = 16 . Total aerosol black carbon on filter = 535 ng Mean aerosol black carbon concentration = 38 ng/m3 --- The reference beam showed lamp intensity fluctuations of 65 ppm. --- Disk space = 2.438195E+07 bytes free: One entry at every 5 minutes. There is space for 5183 hours ( 216 days) more data --- Disk space = 2.763878E+07 bytes free: One entry at every 5 minutes. There is space for 5876 hours ( 245 days) more data --- 02-feb-13 01:39:01 Tape feeder mechanism advancing for 2 spot(s). --- 02-feb-13 01:46:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 02-feb-13 01:54:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = .382 ref(beam) = 2.170 . Lamp 2 (470 nm): sen(beam) = .669 ref(beam) = 2.377 . Lamp 3 (520 nm): sen(beam) = .488 ref(beam) = 2.441 . Lamp 4 (590 nm): sen(beam) = .678 ref(beam) = 1.217 . Lamp 5 (660 nm): sen(beam) = .834 ref(beam) = 2.250 . Lamp 6 (880 nm): sen(beam) = 1.102 ref(beam) = 3.494 . Lamp 7 (950 nm): sen(beam) = .894 ref(beam) = 4.476 ---