SGP/SIRS/E25 Upwelling Longwave Data Out of Range

Upwelling longwave irradiance exceeds physical limits.
Data are consistently negative and range from -1000 to -2000 W/sq m due to equipment 
problem(s).

Data cannot be corrected.

• Upwelling (10 meter) Longwave Hemispheric Irradiance, Ventilated Pyrgeometer,
  Standard Deviation(up_long_hemisp_std)
• Upwelling longwave hemispheric irradiance, pyrgeometer, maxima(up_long_hemisp_max)
• 10 meter Upwelling Longwave Hemispheric Irradiance, Pyrgeometer(up_long_hemisp)
• Upwelling Longwave Hemispheric Irradiance, Pyrgeometer, Minima(up_long_hemisp_min)

• Up-welling pyrgeometer dome thermistor resistance(up_long_dome_resist)
• 10 meter Upwelling Longwave Hemispheric Irradiance, Pyrgeometer(up_long_hemisp)
• Up-welling pyrgeometer case thermistor resistance(up_long_case_resist)