Shapefile/CSV file attributes
The information in the following table consist of metadata relating to the attribute fields in the shapefile, KMZ or CSV file relating to the Sunphotometer AOD product.

Data Field	|Description (units)				|Format
supersite	|AusCover calibration/validation site		|Text
obs_time	|Date and time of observation in local time	|Date and Time Stamp
longitude	|Longitude of target location. Typically refers to plot centre. Method of determination various, see comments for details (decimal degrees)	|Float
latitude	|Latitude of target location. Typically refers to plot centre. Method of determination various, see comments for details (decimal degrees)	|Float
altitude	|Altitude above sea level (m)			|Integer
observers	|Names of field observers			|Text
sn		|Serial number					|Integer
pressure	|Atmospheric pressure (millibars)		|Integer
sza		|Solar zenith: 0 for overhead sun, 90 for sun on horizon (degrees)	|Float
am		|Optical airmass				|Float
sdcorr		|Earth sun distance correction – see manual	|Float
temperature	|Temperature (degrees celsius)			|Float
id		|Identification number - set by user		|Integer
water		|Water vapour column (cm)			|Float
sig380		|Signal (mV)					|Float
sig440		|Signal (mV)					|Float
sig500		|Signal (mV)					|Float
sig675		|Signal (mV)					|Float
sig870		|Signal (mV)					|Float
std380		|Standard deviation of signal			|Float
std440		|Standard deviation of signal			|Float
std675		|Standard deviation of signal			|Float
std870		|Standard deviation of signal			|Float
r380_440	|Ratio of signals between bands			|Float
r500_675	|Ratio of signals between bands			|Float
r440_500	|Ratio of signals between bands			|Float
r675_870	|Ratio of signals between bands			|Float
aot380		|Aerosol optical thickness (dimensionless)	|Float
aot440		|Aerosol optical thickness (dimensionless)	|Float
aot500		|Aerosol optical thickness (dimensionless)	|Float
aot870		|Aerosol optical thickness (dimensionless)	|Float