02-jan-13 20:12:01 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 46.91 hours . Total airflow this filter = 13.74 cubic meters . Mean BC concentration of all lamps = 37 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .497 sen(zero) = 0.021 . ref(beam) = 2.191 ref(zero) = 0.021 . Optical attenuation of filter deposit = 37 . Total aerosol black carbon on filter = 478 ng Mean aerosol black carbon concentration = 34 ng/m3 --- The reference beam showed lamp intensity fluctuations of 52 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .918 sen(zero) = 0.021 . ref(beam) = 2.387 ref(zero) = 0.021 . Optical attenuation of filter deposit = 31 . Total aerosol black carbon on filter = 500 ng Mean aerosol black carbon concentration = 36 ng/m3 --- The reference beam showed lamp intensity fluctuations of 37 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .654 sen(zero) = 0.021 . ref(beam) = 2.436 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 492 ng Mean aerosol black carbon concentration = 35 ng/m3 --- The reference beam showed lamp intensity fluctuations of 35 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .952 sen(zero) = 0.021 . ref(beam) = 1.227 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 518 ng Mean aerosol black carbon concentration = 37 ng/m3 --- The reference beam showed lamp intensity fluctuations of 140 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.168 sen(zero) = 0.021 . ref(beam) = 2.261 ref(zero) = 0.021 . Optical attenuation of filter deposit = 23 . Total aerosol black carbon on filter = 529 ng Mean aerosol black carbon concentration = 38 ng/m3 --- The reference beam showed lamp intensity fluctuations of 83 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.397 sen(zero) = 0.021 . ref(beam) = 3.482 ref(zero) = 0.021 . Optical attenuation of filter deposit = 18 . Total aerosol black carbon on filter = 570 ng Mean aerosol black carbon concentration = 41 ng/m3 --- The reference beam showed lamp intensity fluctuations of 90 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.120 sen(zero) = 0.021 . ref(beam) = 4.486 ref(zero) = 0.021 . Optical attenuation of filter deposit = 16 . Total aerosol black carbon on filter = 542 ng Mean aerosol black carbon concentration = 39 ng/m3 --- The reference beam showed lamp intensity fluctuations of 92 ppm. --- Disk space = 2.437581E+07 bytes free: One entry at every 5 minutes. There is space for 5182 hours ( 216 days) more data --- Disk space = 2.757786E+07 bytes free: One entry at every 5 minutes. There is space for 5863 hours ( 244 days) more data --- 02-jan-13 20:22:03 Tape feeder mechanism advancing for 1 spot(s). --- 02-jan-13 20:26:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 02-jan-13 20:34:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = .987 ref(beam) = 2.173 . Lamp 2 (470 nm): sen(beam) = 1.663 ref(beam) = 2.388 . Lamp 3 (520 nm): sen(beam) = 1.111 ref(beam) = 2.429 . Lamp 4 (590 nm): sen(beam) = 1.529 ref(beam) = 1.209 . Lamp 5 (660 nm): sen(beam) = 1.878 ref(beam) = 2.266 . Lamp 6 (880 nm): sen(beam) = 1.982 ref(beam) = 3.455 . Lamp 7 (950 nm): sen(beam) = 1.541 ref(beam) = 4.480 ---