24-jan-13 00:50:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 19.16 hours . Total airflow this filter = 5.61 cubic meters . Mean BC concentration of all lamps = 243 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .477 sen(zero) = 0.021 . ref(beam) = 2.169 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1257 ng Mean aerosol black carbon concentration = 224 ng/m3 --- The reference beam showed lamp intensity fluctuations of 80 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .893 sen(zero) = 0.021 . ref(beam) = 2.396 ref(zero) = 0.021 . Optical attenuation of filter deposit = 83 . Total aerosol black carbon on filter = 1346 ng Mean aerosol black carbon concentration = 240 ng/m3 --- The reference beam showed lamp intensity fluctuations of 75 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .645 sen(zero) = 0.021 . ref(beam) = 2.413 ref(zero) = 0.021 . Optical attenuation of filter deposit = 74 . Total aerosol black carbon on filter = 1328 ng Mean aerosol black carbon concentration = 237 ng/m3 --- The reference beam showed lamp intensity fluctuations of 59 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .970 sen(zero) = 0.021 . ref(beam) = 1.244 ref(zero) = 0.021 . Optical attenuation of filter deposit = 68 . Total aerosol black carbon on filter = 1373 ng Mean aerosol black carbon concentration = 245 ng/m3 --- The reference beam showed lamp intensity fluctuations of 395 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.231 sen(zero) = 0.021 . ref(beam) = 2.309 ref(zero) = 0.021 . Optical attenuation of filter deposit = 62 . Total aerosol black carbon on filter = 1408 ng Mean aerosol black carbon concentration = 251 ng/m3 --- The reference beam showed lamp intensity fluctuations of 231 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.428 sen(zero) = 0.021 . ref(beam) = 3.494 ref(zero) = 0.021 . Optical attenuation of filter deposit = 47 . Total aerosol black carbon on filter = 1425 ng Mean aerosol black carbon concentration = 254 ng/m3 --- The reference beam showed lamp intensity fluctuations of 260 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.165 sen(zero) = 0.021 . ref(beam) = 4.586 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 1390 ng Mean aerosol black carbon concentration = 248 ng/m3 --- The reference beam showed lamp intensity fluctuations of 258 ppm. --- Disk space = 2.527642E+07 bytes free: One entry at every 5 minutes. There is space for 5373 hours ( 224 days) more data --- 24-jan-13 00:50:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 24-jan-13 01:04:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.113 ref(beam) = 2.165 . Lamp 2 (470 nm): sen(beam) = 1.857 ref(beam) = 2.401 . Lamp 3 (520 nm): sen(beam) = 1.216 ref(beam) = 2.424 . Lamp 4 (590 nm): sen(beam) = 1.721 ref(beam) = 1.237 . Lamp 5 (660 nm): sen(beam) = 2.083 ref(beam) = 2.307 . Lamp 6 (880 nm): sen(beam) = 2.145 ref(beam) = 3.493 . Lamp 7 (950 nm): sen(beam) = 1.662 ref(beam) = 4.563 ---