Table of Contents - The Atmospheric Studies Group at TRC

Section 10: POSTPROCESSORS
Table 10-19:
Sample Nephelometer File (VSRN.DAT)
(Partial Listing)
SITE YYYYMMDD JD HHMM INS BSP PREC V A RAW-M RAW-SD # N/A SD/M DEL MAX RH 0123456789mPM0T YINTER SLOPE AT AT-SD # AT-PR CT CT-SD # CT-PR RH RH-SD # RH-PR N/A
MOZ2 19941009 282 0000 048 22 0.140 0 43.33 1.60 12 -99.0 10.0 50 5000 90 0C0000000000000 -18.9 1.12 -3.58 0.19 12 1.00 -3.01 0.14 12 1.00 85.17 1.06 12 2.00XXXX
MOZ2 19941009 282 0100 048 17 0.140 0 38.87 1.36 12 -99.0 10.0 50 5000 90 0C0000000000000 -18.9 1.12 -3.67 0.23 12 1.00 -2.79 0.10 12 1.00 82.03 0.93 12 2.00XXXX
MOZ2 19941009 282 0200 048 18 0.140 0 40.24 0.71 12 -99.0 10.0 50 5000 90 0C0000000000000 -18.8 1.12 -3.94 0.10 12 1.00 -2.94 0.05 12 1.00 84.49 0.72 12 2.00XXXX
MOZ2 19941009 282 0300 048 19 0.140 0 40.54 1.47 12 -99.0 10.0 50 5000 90 0C0000000000000 -18.7 1.12 -4.07 0.07 12 1.00 -3.06 0.04 12 1.00 84.49 1.40 12 2.00XXXX
MOZ2 19941009 282 0400 048 16 0.140 0 38.57 1.72 10 -99.0 10.0 50 5000 90 0A2000000000003 -18.7 1.12 -4.30 0.11 12 1.00 -3.19 0.09 9 1.00 82.56 0.84 12 2.00XXXX
MOZ2 19941009 282 0500 048 18 0.140 0 39.50 1.40 12 -99.0 10.0 50 5000 90 0C0000000000000 -18.7 1.12 -4.40 0.21 12 1.00 -3.33 0.13 12 1.00 82.87 1.13 12 2.00XXXX
MOZ2 19941009 282 0600 048 15 0.140 0 37.24 1.04 12 -99.0 10.0 50 5000 90 0C0000000000000 -18.7 1.12 -4.16 0.16 12 1.00 -3.05 0.20 12 1.00 79.12 1.44 12 2.00XXXX
MOZ2 19941009 282 0700 048 13 0.140 0 35.60 1.34 12 -99.0 10.0 50 5000 90 0C0000000000000 -18.7 1.12 -3.62 0.43 12 1.00 -2.23 0.41 12 1.00 76.14 2.20 12 2.00XXXX
MOZ2 19941009 282 0800 048 10 0.140 0 32.62 1.26 12 -99.0 10.0 50 5000 90 0C0000000000000 -18.7 1.12 -2.02 0.48 12 1.00 -0.29 0.63 11 1.00 69.82 1.82 12 2.00XXXX
MOZ2 19941009 282 0900 048 10 0.140 0 32.75 1.42 12 -99.0 10.0 50 5000 90 0C0000000000000 -18.7 1.12 -0.69 0.31 12 1.00 1.32 0.33 12 1.00 65.75 1.18 12 2.00XXXX
MOZ2 19941009 282 1000 048 10 0.140 0 32.94 1.73 10 -99.0 10.0 50 5000 90 0A2000000000003 -18.7 1.12 0.24 0.30 12 1.00 2.03 0.40 9 1.00 63.34 1.71 12 2.00XXXX
MOZ2 19941009 282 1100 048 15 0.140 0 37.18 1.47 12 -99.0 10.0 50 5000 90 0C0000000000000 -18.8 1.12 1.23 0.29 12 1.00 3.13 0.28 12 1.00 66.90 1.48 12 2.00XXXX
MOZ2 19941009 282 1200 048 15 0.140 0 37.44 1.76 12 -99.0 10.0 50 5000 90 0C0000000000000 -19.1 1.12 2.13 0.23 12 1.00 4.27 0.27 12 1.00 64.31 1.93 12 2.00XXXX
MOZ2 19941009 282 1300 048 12 0.140 0 35.03 1.17 12 -99.0 10.0 50 5000 90 0C0000000000000 -19.3 1.12 2.74 0.32 12 1.00 4.74 0.35 12 1.00 57.82 4.01 10 2.00XXXX
MOZ2 19941009 282 1400 048 9 0.140 0 32.69 0.83 12 -99.0 10.0 50 5000 90 0C0000000000000 -19.6 1.12 3.86 0.34 12 1.00 5.73 0.34 12 1.00 51.25 2.95 12 2.00XXXX
MOZ2 19941009 282 1500 048 10 0.140 0 33.59 0.98 12 -99.0 10.0 50 5000 90 0C0000000000000 -19.8 1.12 4.35 0.17 12 1.00 5.94 0.20 12 1.00 50.14 1.11 12 2.00XXXX
MOZ2 19941009 282 1600 048 10 0.140 0 34.10 1.64 12 -99.0 10.0 50 5000 90 0C0000000000001 -20.1 1.12 3.82 0.22 12 1.00 5.25 0.23 11 1.00 51.88 1.66 12 2.00XXXX
MOZ2 19941009 282 1700 048 11 0.140 0 34.78 1.66 10 -99.0 10.0 50 5000 90 0A2000000000002 -20.3 1.12 2.18 0.75 12 1.00 3.46 0.93 10 1.00 57.44 2.77 12 2.00XXXX
MOZ2 19941009 282 1800 048 11 0.140 0 35.13 0.73 12 -99.0 10.0 50 5000 90 0C0000000000000 -20.4 1.12 1.12 0.22 12 1.00 2.01 0.23 12 1.00 58.90 1.04 12 2.00XXXX
MOZ2 19941009 282 1900 048 10 0.140 0 34.22 0.96 12 -99.0 10.0 50 5000 90 0C0000000000000 -20.4 1.12 0.71 0.13 12 1.00 1.56 0.11 12 1.00 56.36 1.23 12 2.00XXXX
MOZ2 19941009 282 2000 048 10 0.140 0 34.27 1.51 12 -99.0 10.0 50 5000 90 0C0000000000000 -20.4 1.12 0.02 0.13 12 1.00 0.89 0.16 12 1.00 56.45 0.99 12 2.00XXXX
MOZ2 19941009 282 2100 048 9 0.140 0 33.52 0.64 12 -99.0 10.0 50 5000 90 0C0000000000000 -20.4 1.12 -0.17 0.06 12 1.00 0.61 0.06 12 1.00 55.21 0.41 12 2.00XXXX
MOZ2 19941009 282 2200 048 9 0.140 0 33.48 0.89 12 -99.0 10.0 50 5000 90 0C0000000000000 -20.5 1.12 -0.33 0.04 12 1.00 0.43 0.03 12 1.00 54.33 1.55 12 2.00XXXX
MOZ2 19941009 282 2300 048 8 0.140 0 32.90 0.77 10 -99.0 10.0 50 5000 90 0A2000000000003 -20.5 1.12 -0.26 0.08 12 1.00 0.50 0.07 9 1.00 47.41 0.78 12 2.00XXXX
MOZ2 19941010 283 0000 048 8 0.140 0 32.44 0.63 12 -99.0 10.0 50 5000 90 0C0000000000000 -20.4 1.12 -0.42 0.16 12 1.00 0.41 0.11 12 1.00 48.51 1.46 12 2.00XXXX
Field Description
SITE Site Abbreviation
YYYYMMDD Date (4-digit year/month/day)
JD Julian Date
HHMM Time using a 24-hour clock in hour/minute format
INS Nephelometer Serial Number
BSP bsp (Mm -1 ) Particle scattering coefficient = Total - Rayleigh
PREC bsp Estimated Precision (%/100)
V bsp Validity Code(0=valid, 1=interference, 2=invalid, 9=suspect)
A bsp Interference Code
RAW-M Raw Nephelometer Hourly Average (Counts)
RAW-SD Standard Deviation of Raw Nephelometer Average (Counts)
# Number of Data Points in Hourly Nephelometer Average
N/A (Not Used)
SD/M Standard Deviation/Mean Interference Threshold
DEL bsp Rate of Change Interference Threshold
MAX Maximum bsp Interference Threshold
RH
Relative Humidity Interference Threshold
0123456789mPMOT
Composite Nephelometer Code Summary
YINTER Y-intercept of Calibration Line Used to Calculate bsp
SLOPE Slope of Calibration Line Used to Calculate bsp
AT
Average Ambient Temperature (C)
AT-SD Standard Deviation of Hourly AT Average
# Number of Data Points in Hourly AT Average
AT-PR Estimated Precision of Ambient Temperature
CT
Average Nephelometer Chamber Temperature (C)
CD-SD Standard Deviation of Hourly CT Average
# Number of Data Points in Hourly CT Average
CT-PR Estimated Precision of Chamber Temperature
RH Average Relative Humidity (%)
RH-SD Standard Deviation of Hourly RH Average
10-82