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Belfort 6500 Air Visibility Sensor

Get Monthly Data Files

THIS SENSOR WAS REMOVED 4DEC2009


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3 day plot of all variables for Belfort6500


This instrument is sampled at approximately 1 Hz at six minute intervals.

  Sample file format:
  yr   mm da hhmm pos transPow recPow    vis    extCo     relay   urng   orng pts
  2009  9  1 0006  6  0.0199   26.0266   3119   1.013635 1.0000      0      0 360
  2009  9  1 0012  6  0.0180   26.0021   3444   0.922650 1.0000      0      0 360
  2009  9  1 0018  6  0.0178   25.9731   3515   0.900412 1.0000      0      0 360

where:
   yr = year
   mo = month
   da = day of month
   hhmm = time (UTC/GMT)
   pos = instrument position on concrete slab
   transPow =
   recPow =
   vis = visibility (m)
   extCo = Extinction coefficient (1/km)
   relay =
   urng = under-range QC parameter 
   orng = over-range QC parameter 
   pts = points averaged in 6 minutes