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UVOAVG.nnn - UV Average file
1
2
20898
2073.4
20998
3559.2
1. Julian day and year
2. daily weighted Diffey UV, Joules/m
3. length of day; hours between the first and last scan in the UV data file
4. the number of scans in the UV file
5. representative hour
6. UVRJJJYY file
B FILES: BJJJYY.NNN
'B', or Brewer, files contain most of the raw data collected by the Brewer.
B files begin with the characters "version". The beginning of a B file contains three sections: the
version string, a data header, and the instrument constants.
Following is a description of the format of each B file section.
Data Header – B file
Each B file begins with a data header.
Example
Version=2
Dh
25
11
98
Saskatoon
52.108
106.713
3.45
Pr
1000
Temperature, in volts (TE%) - Read from the PMT thermistor. The temperature in °C is calculated
using the equation:
Instrument Constants – B file
This section of the B file starts with the header "inst". See Appendix B for the format of
ICFJJJYY.nnn.
Dispersion constants – B file
This section of the B file starts with the header "disp". See Appendix B for the format of
DCFJJJYY.nnn.
Zenith Sky Constants - B file
This section of the B file starts with the header "zeni". See Appendix B for the format of
ZSFJJJYY.nnn.
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3
4
5
14
21
20
14
27
20
2
in use
Name
B file version number
Header
Day
Month
Year
location name
latitude
Longitude
Temperature in volts
Pressure header
Mean Pressure
=
−
+
Temp
(
C
)
33
.
27
MKIV OPERATOR'S MANUAL
6
uvr13398.159
uvr13398.159
×
TE
%
18
.
64
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