DQRID : D121008.1
Start DateStart TimeEnd DateEnd Time Data Quality Metric
06/25/2012000009/05/20122000Does not affect quality
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Subject:
PVC/SKYRAD/M1 - Reprocessed: Incorrect calibration coefficients
DataStreams:pvcskyrad20sM1.a0, pvcskyrad60sM1.b1
Description:
Incorrect programs were used in Skyrad at the beginning of the PVC
Deployment. The Skyrad program was corrected 2012-09-05 approx 20:00GMT.
Reprocessing was completed 2012-12-17.  It involved applying the following
corrections for the specified time range.
 
Serial numbers(incorrectly applied):
PIR1-DIR: 34306
PIR2-DIR: 34303
Diffuse PSP: 34284
NIP: 34097
PSP-DS: 34293

Serial numbers(corrected):
PIR1-DIR: 34303
PIR2-DIR: 34306
Diffuse PSP: 35751
NIP: 37285
PSP-DS: 37302
    
Data: 
Longwave required reprocessing using the 20second datastream and applying
the following k1
coefficients (note: the longwave instruments were swapped according to
datalogger).
down_long_hemisp1 (old cal) = 0.23041
down_long_hemisp1 (corr cal) = 0.24750
down_long_hemisp2 (old cal) = 0.24750
down_long_hemisp2 (corr cal) = 0.23041

Shortwave only required application of the following corrections to 1min and
20 second data.
down_short_diffuse_hemisp(corr) = down_short_diffuse_hemisp(old
value)*(104.45(corr
cal)/120.91(incorr cal))
short_direct_normal(corr) = short_direct_normal(old value)*(117.25(new
cal)/124.97(incorr
cal))
up_short_hemip(corr) = up_short_hemip(old value)*(119.21(new
cal)/108.48(incorr cal)).
Suggestions: 
Use reprocessed data
Measurements:pvcskyrad60sM1.b1:
  • inst_down_long_hemisp1_case_temp
  • down_long_hemisp2_min
  • down_short_hemisp_max
  • down_long_hemisp1
  • down_short_hemisp_std
  • down_long_hemisp2
  • down_short_hemisp
  • inst_down_long_hemisp1_dome_temp
  • down_long_hemisp1_min
  • down_short_diffuse_hemisp_std
  • down_short_diffuse_hemisp_max
  • inst_down_long_hemisp1_tp
  • down_short_hemisp_min
  • down_long_hemisp2_max
  • inst_down_long_hemisp2_case_temp
  • short_direct_normal
  • short_direct_normal_std
  • down_long_hemisp1_max
  • down_long_hemisp1_std
  • short_direct_normal_max
  • inst_down_long_hemisp2_dome_temp
  • down_short_diffuse_hemisp
  • down_short_diffuse_hemisp_min
  • short_direct_normal_min
  • inst_down_long_hemisp2_tp
  • down_long_hemisp2_std
more
pvcskyrad20sM1.a0:
  • inst_down_long_hemisp1_tp
  • inst_global
  • inst_direct_normal
  • inst_down_long_hemisp2_dome_resist
  • inst_down_long_hemisp1_dome_resist
  • inst_down_long_hemisp2_case_resist
  • inst_down_long_hemisp1_case_resist
  • inst_down_long_hemisp2_tp
  • inst_diffuse
more

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