05-jan-13 21:30:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 72.91 hours . Total airflow this filter = 21.36 cubic meters . Mean BC concentration of all lamps = 65 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .381 sen(zero) = 0.021 . ref(beam) = 2.197 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1257 ng Mean aerosol black carbon concentration = 58 ng/m3 --- The reference beam showed lamp intensity fluctuations of 54 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .729 sen(zero) = 0.021 . ref(beam) = 2.399 ref(zero) = 0.021 . Optical attenuation of filter deposit = 84 . Total aerosol black carbon on filter = 1353 ng Mean aerosol black carbon concentration = 63 ng/m3 --- The reference beam showed lamp intensity fluctuations of 39 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .531 sen(zero) = 0.021 . ref(beam) = 2.431 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 1346 ng Mean aerosol black carbon concentration = 63 ng/m3 --- The reference beam showed lamp intensity fluctuations of 34 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .792 sen(zero) = 0.021 . ref(beam) = 1.237 ref(zero) = 0.021 . Optical attenuation of filter deposit = 69 . Total aerosol black carbon on filter = 1395 ng Mean aerosol black carbon concentration = 65 ng/m3 --- The reference beam showed lamp intensity fluctuations of 141 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.005 sen(zero) = 0.021 . ref(beam) = 2.289 ref(zero) = 0.021 . Optical attenuation of filter deposit = 64 . Total aerosol black carbon on filter = 1449 ng Mean aerosol black carbon concentration = 67 ng/m3 --- The reference beam showed lamp intensity fluctuations of 84 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.206 sen(zero) = 0.021 . ref(beam) = 3.491 ref(zero) = 0.021 . Optical attenuation of filter deposit = 51 . Total aerosol black carbon on filter = 1540 ng Mean aerosol black carbon concentration = 72 ng/m3 --- The reference beam showed lamp intensity fluctuations of 92 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .990 sen(zero) = 0.021 . ref(beam) = 4.542 ref(zero) = 0.021 . Optical attenuation of filter deposit = 46 . Total aerosol black carbon on filter = 1504 ng Mean aerosol black carbon concentration = 70 ng/m3 --- The reference beam showed lamp intensity fluctuations of 91 ppm. --- Disk space = 2.757786E+07 bytes free: One entry at every 5 minutes. There is space for 5863 hours ( 244 days) more data --- 05-jan-13 21:30:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 05-jan-13 21:44:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.227 ref(beam) = 2.194 . Lamp 2 (470 nm): sen(beam) = 1.999 ref(beam) = 2.417 . Lamp 3 (520 nm): sen(beam) = 1.311 ref(beam) = 2.460 . Lamp 4 (590 nm): sen(beam) = 1.794 ref(beam) = 1.238 . Lamp 5 (660 nm): sen(beam) = 2.209 ref(beam) = 2.303 . Lamp 6 (880 nm): sen(beam) = 2.209 ref(beam) = 3.521 . Lamp 7 (950 nm): sen(beam) = 1.714 ref(beam) = 4.550 ---