14-mar-12 00:47:37 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 51.91 hours . Total airflow this filter = 15.22 cubic meters . Mean BC concentration of all lamps = 47 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .135 sen(zero) = 0.021 . ref(beam) = 2.243 ref(zero) = 0.021 . Optical attenuation of filter deposit = 46 . Total aerosol black carbon on filter = 591 ng Mean aerosol black carbon concentration = 38 ng/m3 --- The reference beam showed lamp intensity fluctuations of 59 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .264 sen(zero) = 0.021 . ref(beam) = 2.431 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 679 ng Mean aerosol black carbon concentration = 44 ng/m3 --- The reference beam showed lamp intensity fluctuations of 48 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .219 sen(zero) = 0.021 . ref(beam) = 2.492 ref(zero) = 0.021 . Optical attenuation of filter deposit = 38 . Total aerosol black carbon on filter = 689 ng Mean aerosol black carbon concentration = 45 ng/m3 --- The reference beam showed lamp intensity fluctuations of 46 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .337 sen(zero) = 0.021 . ref(beam) = 1.277 ref(zero) = 0.021 . Optical attenuation of filter deposit = 35 . Total aerosol black carbon on filter = 725 ng Mean aerosol black carbon concentration = 47 ng/m3 --- The reference beam showed lamp intensity fluctuations of 159 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .460 sen(zero) = 0.021 . ref(beam) = 2.442 ref(zero) = 0.021 . Optical attenuation of filter deposit = 34 . Total aerosol black carbon on filter = 769 ng Mean aerosol black carbon concentration = 50 ng/m3 --- The reference beam showed lamp intensity fluctuations of 102 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .644 sen(zero) = 0.021 . ref(beam) = 3.608 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 827 ng Mean aerosol black carbon concentration = 54 ng/m3 --- The reference beam showed lamp intensity fluctuations of 109 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .559 sen(zero) = 0.021 . ref(beam) = 4.680 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 816 ng Mean aerosol black carbon concentration = 53 ng/m3 --- The reference beam showed lamp intensity fluctuations of 106 ppm. --- Disk space = 2.99689E+07 bytes free: One entry at every 5 minutes. There is space for 6371 hours ( 265 days) more data --- Disk space = 2.972211E+07 bytes free: One entry at every 5 minutes. There is space for 6318 hours ( 263 days) more data --- 14-mar-12 00:49:56 Tape feeder mechanism advancing for 1 spot(s). --- 14-mar-12 00:56:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 14-mar-12 01:04:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.203 ref(beam) = 2.228 . Lamp 2 (470 nm): sen(beam) = 1.963 ref(beam) = 2.456 . Lamp 3 (520 nm): sen(beam) = 1.302 ref(beam) = 2.495 . Lamp 4 (590 nm): sen(beam) = 1.819 ref(beam) = 1.270 . Lamp 5 (660 nm): sen(beam) = 2.295 ref(beam) = 2.481 . Lamp 6 (880 nm): sen(beam) = 2.246 ref(beam) = 3.607 . Lamp 7 (950 nm): sen(beam) = 1.744 ref(beam) = 4.706 ---