Spectral Irradiance Data Download
  • In Situ calibrated
  • MLO calibrated
  • Historical Lamp calibrated
    • Weighted Irradiance Data Download
  • Erythemal
  • PAR
    • Derived Products Download
  • UV Index
  • Synthetic Spectra
  • Instantaneous Optical Depths
  • Average Optical Depths
  • UV Irradiance Estimator
    • Climatology Products
  • Daily Sums
  • Hourly Sums
  • Spatio-Temporal Distribution of UV-B
  • US Merged Irradiance Statistics
  • Sums US Contour Maps
    • Instrument Characteristics Download
  • Filter Function Corrections
  • Angular Cosine Corrections
  • Langley Voltage Offsets
  • Serial Number Deployment History
  • Site Location Deployment History
    • Anciliary Measurements Download
  • Internal Head Temperature
  • Air Temp, Humidity, Reflective Solar Irradiance
  • Barometer
  • Electronic Offset(Bias)
  • Cosine Corrected Voltages
  • UVA (uncalibrated)
    • Quality Control Information
  • Data Processing Procedures
  • Data Corrections
  • Quality Control Abbreviations
    • Data Requests
  • FTP Access
  • Usage Statistics
    • Serial Number Deployment History
    The Serial Number Deployment History page displays the deployment history of UV and Visible MFRSRs, the PAR sensor and the UVB-1 Pyranometer instruments. After tabbing to an instrument type, please select the serial number. The dates that the instrument was located at all sites during its history of deployment are displayed.

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