07-nov-11 01:18:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 55.41 hours . Total airflow this filter = 16.25 cubic meters . Mean BC concentration of all lamps = 35 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .865 sen(zero) = 0.021 . ref(beam) = 2.277 ref(zero) = 0.021 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 575 ng Mean aerosol black carbon concentration = 35 ng/m3 --- The reference beam showed lamp intensity fluctuations of 78 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.505 sen(zero) = 0.021 . ref(beam) = 2.466 ref(zero) = 0.021 . Optical attenuation of filter deposit = 36 . Total aerosol black carbon on filter = 587 ng Mean aerosol black carbon concentration = 36 ng/m3 --- The reference beam showed lamp intensity fluctuations of 68 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.051 sen(zero) = 0.021 . ref(beam) = 2.558 ref(zero) = 0.021 . Optical attenuation of filter deposit = 31 . Total aerosol black carbon on filter = 564 ng Mean aerosol black carbon concentration = 34 ng/m3 --- The reference beam showed lamp intensity fluctuations of 57 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.435 sen(zero) = 0.021 . ref(beam) = 1.257 ref(zero) = 0.021 . Optical attenuation of filter deposit = 28 . Total aerosol black carbon on filter = 573 ng Mean aerosol black carbon concentration = 35 ng/m3 --- The reference beam showed lamp intensity fluctuations of 242 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.943 sen(zero) = 0.021 . ref(beam) = 2.452 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 579 ng Mean aerosol black carbon concentration = 35 ng/m3 --- The reference beam showed lamp intensity fluctuations of 159 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.931 sen(zero) = 0.021 . ref(beam) = 3.607 ref(zero) = 0.021 . Optical attenuation of filter deposit = 19 . Total aerosol black carbon on filter = 574 ng Mean aerosol black carbon concentration = 35 ng/m3 --- The reference beam showed lamp intensity fluctuations of 171 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.547 sen(zero) = 0.021 . ref(beam) = 4.634 ref(zero) = 0.021 . Optical attenuation of filter deposit = 17 . Total aerosol black carbon on filter = 554 ng Mean aerosol black carbon concentration = 34 ng/m3 --- The reference beam showed lamp intensity fluctuations of 166 ppm. --- Disk space = 2.035098E+07 bytes free: One entry at every 5 minutes. There is space for 4326 hours ( 180 days) more data --- Disk space = 2.008678E+07 bytes free: One entry at every 5 minutes. There is space for 4270 hours ( 178 days) more data --- 07-nov-11 18:56:09 Tape feeder mechanism advancing for 1 spot(s). --- 07-nov-11 19:01:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 07-nov-11 19:09:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.361 ref(beam) = 2.219 . Lamp 2 (470 nm): sen(beam) = 2.173 ref(beam) = 2.430 . Lamp 3 (520 nm): sen(beam) = 1.460 ref(beam) = 2.504 . Lamp 4 (590 nm): sen(beam) = 1.914 ref(beam) = 1.221 . Lamp 5 (660 nm): sen(beam) = 2.516 ref(beam) = 2.421 . Lamp 6 (880 nm): sen(beam) = 2.381 ref(beam) = 3.520 . Lamp 7 (950 nm): sen(beam) = 1.845 ref(beam) = 4.558 ---