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SPAN server documentation

SPAN server documentation

Metadata for each channel

  • Logical name (e.g HMP45H)
  • Channel number (relative to the module the to which the channel is associated)
  • State (active/inactive)
  • Measurement report period (how often, in seconds, a measurement is sent out)
  • Samples per reported measurement (e.g. how many samples taken and averaged for generating each measurement)
  • Time the last sample was taken 
  • Data operation (e.g. raw, average, median, minimum, maximum, etc) 
  • Sensor make (e.g. Vaisala) 
  • Sensor model (e.g. HMP45A)
  • Sensor serial number (e.g. 1234567890) 
  • Sensor measurement (e.g. Temperature) 
  • Measurement unit (e.g. degrees Celsius) 
  • DAQ method (usually related to analog input configuration) 
  • Calibration type (e.g. linear, polynomial, boolean, etc)
  • Calibration information (e.g. polynomial coefficients) 
  • Valid data range (basic QA/QC used to validate sensor output) 
  • Location (latitude, longitude, and location note)
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