DQRID : D070404.2
Start DateStart TimeEnd DateEnd Time
12/04/2006212002/22/20070125
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Subject:
TWP/SKYRAD/C2 - IRT measurement error
DataStreams:twpskyrad60sC2.b1
Description:
The IRT was not properly calibrated and was not able to measure sky temperatures below 
273.2 K. (This instrument was the same one damaged by lightning in November 2005 in Darwin. 
It was returned for repair and received a new lens but was calibrated only down to 0 deg 
C, so the problem was neither detected nor repaired.) The IRT was replaced on 2/22/2007.
Suggestions: 
Ignore measurements below 276 K.
Measurements:twpskyrad60sC2.b1:
  • Sky Infra Red Temperature Maxima(sky_ir_temp_max)
  • Sky Infra-Red Temperature(sky_ir_temp)
  • Sky Infra-Red Temperature Minima(sky_ir_temp_min)
  • Sky infrared temperature, standard deviation(sky_ir_temp_std)
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