28-jun-11 02:50:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 489.02 hours . Total airflow this filter = 143.44 cubic meters . Mean BC concentration of all lamps = 9 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .537 sen(zero) = 0.021 . ref(beam) = 2.242 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1253 ng Mean aerosol black carbon concentration = 8 ng/m3 --- The reference beam showed lamp intensity fluctuations of 161 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .981 sen(zero) = 0.021 . ref(beam) = 2.431 ref(zero) = 0.021 . Optical attenuation of filter deposit = 81 . Total aerosol black carbon on filter = 1313 ng Mean aerosol black carbon concentration = 9 ng/m3 --- The reference beam showed lamp intensity fluctuations of 98 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .713 sen(zero) = 0.021 . ref(beam) = 2.495 ref(zero) = 0.021 . Optical attenuation of filter deposit = 73 . Total aerosol black carbon on filter = 1308 ng Mean aerosol black carbon concentration = 9 ng/m3 --- The reference beam showed lamp intensity fluctuations of 52 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .992 sen(zero) = 0.021 . ref(beam) = 1.214 ref(zero) = 0.021 . Optical attenuation of filter deposit = 66 . Total aerosol black carbon on filter = 1341 ng Mean aerosol black carbon concentration = 9 ng/m3 --- The reference beam showed lamp intensity fluctuations of 586 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.429 sen(zero) = 0.021 . ref(beam) = 2.491 ref(zero) = 0.021 . Optical attenuation of filter deposit = 61 . Total aerosol black carbon on filter = 1380 ng Mean aerosol black carbon concentration = 9 ng/m3 --- The reference beam showed lamp intensity fluctuations of 325 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.467 sen(zero) = 0.021 . ref(beam) = 3.488 ref(zero) = 0.021 . Optical attenuation of filter deposit = 47 . Total aerosol black carbon on filter = 1432 ng Mean aerosol black carbon concentration = 9 ng/m3 --- The reference beam showed lamp intensity fluctuations of 350 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.209 sen(zero) = 0.021 . ref(beam) = 4.535 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 1392 ng Mean aerosol black carbon concentration = 9 ng/m3 --- The reference beam showed lamp intensity fluctuations of 356 ppm. --- Disk space = 1.424486E+07 bytes free: One entry at every 5 minutes. There is space for 3028 hours ( 126 days) more data --- 28-jun-11 02:50:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 28-jun-11 03:04:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.376 ref(beam) = 2.173 . Lamp 2 (470 nm): sen(beam) = 2.206 ref(beam) = 2.404 . Lamp 3 (520 nm): sen(beam) = 1.458 ref(beam) = 2.460 . Lamp 4 (590 nm): sen(beam) = 1.887 ref(beam) = 1.188 . Lamp 5 (660 nm): sen(beam) = 2.633 ref(beam) = 2.471 . Lamp 6 (880 nm): sen(beam) = 2.341 ref(beam) = 3.431 . Lamp 7 (950 nm): sen(beam) = 1.841 ref(beam) = 4.480 ---