
1. Julian day
2. DS ozone 10. FZ ozone
3. Standard deviation 11. Standard deviation
4. DS SO
2
12. FZ SO
2
5. Standard deviation 13. Standard Deviation
6. Good Observations 14 Good Observations
7. Total Observations 15. Total Observations
8. Harmonic mean of mu 16. Harmonic mean of mu
9. Representative hour 17. Representative hour
RSOAVG.nnn - Run / Stop Log
Used to monitor the operation of the slitmask. The values of colums 2,4,5,6,7,8, and 9 should be
1±0.003
1.dddyy
2-9 run/stop ratio for slit mask positions 0 through 7.
SCOAVG.nnn - Sun Scan Average File
1. dddyy 6. Maximum Ozone
2. temperature 7. Minimum step of scan
3. airmass 8, Minimum SO
2
4. neutral density filter used 9. HG calibration point
5. maximum step of scan
SLOAVG.nnn - Standard Lamp Log
Used to monitor the stability of the Brewer’s ozone measureing stability..
1. dddyy 7. Ratio 3
2. low temperature of the SL test 8. Ratio 4
3. high temperature of the SL test 9. Ratio 5
4. number of sl tests 10. Ratio 6
5. ratio 1 11. Lamp intensity
6. ratio 2 12-18. Standard Deviations
APPENDIX A BREWER DATA FILES
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