DQRID : D170324.8
Start DateStart TimeEnd DateEnd Time Data Quality Metric
03/04/2017035903/04/20171538Suspect
02/23/2017051002/23/20171745Suspect
01/21/2017185901/22/20170159Suspect
02/19/2017045802/19/20171621Suspect
03/08/2017024103/08/20171617Suspect
01/20/2017041801/21/20170654Suspect
02/07/2017123402/07/20171826Suspect
02/22/2017044202/22/20171625Suspect
03/07/2017063903/07/20171824Suspect
03/03/2017043203/03/20171707Suspect
02/24/2017042702/26/20171831Suspect
03/06/2017211503/07/20170100Suspect
03/01/2017072103/02/20171708Suspect
02/08/2017051802/08/20171638Suspect
02/21/2017063203/03/20171716Suspect
02/18/2017065902/18/20171716Suspect
more
Subject:
SGP/NEPHELOMETER/C1 - Problem with the NEPH chopper motor
DataStreams:sgpaosnephdry1mC1.b1, sgpaosnephdryC1.b1, sgpaosnephdryC1.a1
Description:
The issue with NEPH chopper motor may make the data noisier. The problem is relying on an 
old calibration from the chopper for the fixed brightness object.  The data are probably 
okay, but if something shifts in the system (e.g., lamp brightness) then it might not be. 
Highest quality data can be attained using data with neph flag=0000.
Suggestions: 
Use the nephelometer instrument flags to invalidate the 1s data when this is a problem.
Measurements:sgpaosnephdry1mC1.b1:
  • Bs_G_Dry_Neph3W
  • Bbs_B_Dry_Neph3W
  • Bbs_G_Dry_Neph3W_raw
  • Bs_B_Dry_Neph3W_raw
  • Bs_B_Dry_Neph3W
  • Bs_G_Dry_Neph3W_raw
  • Bbs_G_Dry_Neph3W
  • Bs_R_Dry_Neph3W
  • Bbs_B_Dry_Neph3W_raw
  • Bbs_R_Dry_Neph3W
  • Bbs_R_Dry_Neph3W_raw
  • Bs_R_Dry_Neph3W_raw
more
sgpaosnephdryC1.a1:
  • Bs_B_Dry_Neph3W
  • Bbs_B_Dry_10um_Neph3W_1
  • Bs_B_Dry_1um_Neph3W_1
  • Bbs_G_Dry_Neph3W
  • Bs_G_Dry_1um_Neph3W_1
  • Bs_R_Dry_10um_Neph3W_1
  • Bbs_R_Dry_1um_Neph3W_1
  • Bbs_R_Dry_10um_Neph3W_1
  • Bbs_G_Dry_10um_Neph3W_1
  • Bs_G_Dry_10um_Neph3W_1
  • Bs_G_Dry_Neph3W
  • Bbs_G_Dry_1um_Neph3W_1
  • Bs_R_Dry_Neph3W
  • Bbs_R_Dry_Neph3W
  • Bbs_B_Dry_1um_Neph3W_1
  • Bs_B_Dry_10um_Neph3W_1
  • Bbs_B_Dry_Neph3W
  • Bs_R_Dry_1um_Neph3W_1
more
sgpaosnephdryC1.b1:
  • Bbs_R_Dry_Neph3W_1
  • Bs_B_Dry_Neph3W
  • Bs_G_Dry_Neph3W
  • Bs_G_Dry_Neph3W_1
  • Bbs_B_Dry_Neph3W_1
  • Bs_R_Dry_Neph3W
  • Bs_R_Dry_Neph3W_1
  • Bs_B_Dry_Neph3W_1
  • Bbs_G_Dry_Neph3W_1
  • Bbs_B_Dry_Neph3W
  • Bbs_G_Dry_Neph3W
  • Bbs_R_Dry_Neph3W
more

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