15-jan-12 14:35:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 37.75 hours . Total airflow this filter = 11.07 cubic meters . Mean BC concentration of all lamps = 121 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .519 sen(zero) = 0.021 . ref(beam) = 2.265 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1253 ng Mean aerosol black carbon concentration = 113 ng/m3 --- The reference beam showed lamp intensity fluctuations of 35 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .978 sen(zero) = 0.021 . ref(beam) = 2.482 ref(zero) = 0.021 . Optical attenuation of filter deposit = 82 . Total aerosol black carbon on filter = 1324 ng Mean aerosol black carbon concentration = 119 ng/m3 --- The reference beam showed lamp intensity fluctuations of 28 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .707 sen(zero) = 0.021 . ref(beam) = 2.525 ref(zero) = 0.021 . Optical attenuation of filter deposit = 73 . Total aerosol black carbon on filter = 1305 ng Mean aerosol black carbon concentration = 118 ng/m3 --- The reference beam showed lamp intensity fluctuations of 29 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.057 sen(zero) = 0.021 . ref(beam) = 1.309 ref(zero) = 0.021 . Optical attenuation of filter deposit = 66 . Total aerosol black carbon on filter = 1334 ng Mean aerosol black carbon concentration = 120 ng/m3 --- The reference beam showed lamp intensity fluctuations of 81 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.417 sen(zero) = 0.021 . ref(beam) = 2.531 ref(zero) = 0.021 . Optical attenuation of filter deposit = 61 . Total aerosol black carbon on filter = 1384 ng Mean aerosol black carbon concentration = 125 ng/m3 --- The reference beam showed lamp intensity fluctuations of 47 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.546 sen(zero) = 0.021 . ref(beam) = 3.688 ref(zero) = 0.021 . Optical attenuation of filter deposit = 46 . Total aerosol black carbon on filter = 1404 ng Mean aerosol black carbon concentration = 127 ng/m3 --- The reference beam showed lamp intensity fluctuations of 47 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.270 sen(zero) = 0.021 . ref(beam) = 4.825 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 1375 ng Mean aerosol black carbon concentration = 124 ng/m3 --- The reference beam showed lamp intensity fluctuations of 47 ppm. --- Disk space = 2.982451E+07 bytes free: One entry at every 5 minutes. There is space for 6340 hours ( 264 days) more data --- 15-jan-12 14:35:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 15-jan-12 14:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.299 ref(beam) = 2.247 . Lamp 2 (470 nm): sen(beam) = 2.105 ref(beam) = 2.472 . Lamp 3 (520 nm): sen(beam) = 1.398 ref(beam) = 2.525 . Lamp 4 (590 nm): sen(beam) = 1.954 ref(beam) = 1.298 . Lamp 5 (660 nm): sen(beam) = 2.481 ref(beam) = 2.512 . Lamp 6 (880 nm): sen(beam) = 2.386 ref(beam) = 3.666 . Lamp 7 (950 nm): sen(beam) = 1.852 ref(beam) = 4.778 ---