DQRs for Session: 181939 User:gardinerk1Completed: 11-29-2016

Data Quality Reports for Session: 181939 User: gardinerk1 Completed: 11/29/2016

TABLE OF CONTENTS

DQR ID	Subject	Data Streams Affected	Data Quality Metric
D120414.5	SGP/QCRAD/E15 - Tracker alignment	sgpqcrad1longE15.s2	Incorrect
D120417.4	SGP/QCRAD/E15 - Upwelling shortwave flux appears bad	sgpqcrad1longE15.s2	Incorrect
D120420.11	SGP/QCRAD/E15 - Direct normal irradiance intermittently low	sgpqcrad1longE15.s2	Suspect
D120510.24	SGP/QCRAD/E15 - LWup Td noisy	sgpqcrad1longE15.s2	Suspect

DQRID : D120414.5

Start Date	Start Time	End Date	End Time	Data Quality Metric
01/13/1994	0000	02/23/1994	0000	Incorrect
07/30/1997	0000	09/10/1997	2000	Incorrect

Subject:	SGP/QCRAD/E15 - Tracker alignment
DataStreams:	sgpqcrad1longE15.s2
Description:	Tracker appears to be out of alignment or inoperative during these times. The short_direct_normal (NIP) and down_short_diffuse_hemisp (8-48) data apear to be bad and not recoverable. There were no instrument DQRs on this problem at the time this report was submitted.
Measurements:	sgpqcrad1longE15.s2: Best Estimate Global Downwelling Shortwave Hemispheric Irradiance(BestEstimate_down_short_hemisp)

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DQRID : D120417.4

Start Date	Start Time	End Date	End Time	Data Quality Metric
07/15/1997	1130	07/29/1997	1700	Incorrect
04/03/1997	1600	05/20/1997	2000	Incorrect

Subject:	SGP/QCRAD/E15 - Upwelling shortwave flux appears bad
DataStreams:	sgpqcrad1longE15.s2
Description:	Upwelling shortwave flux appears to be bad during these periods. Flux shows extended periods with zero values. The reason for this is not known. No instrument DQRs available describing this problem.
Measurements:	sgpqcrad1longE15.s2: Upwelling shortwave hemispheric irradiance, pyranometer(up_short_hemisp)

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DQRID : D120420.11

Start Date	Start Time	End Date	End Time	Data Quality Metric
04/11/2002	0000	05/01/2002	1100	Suspect

Subject:	SGP/QCRAD/E15 - Direct normal irradiance intermittently low
DataStreams:	sgpqcrad1longE15.s2
Description:	Direct normal irradiance measurements appear to be intermittently too low and possibly incorrect during this time period. The cause is not known. No instrument DQRs currently exist describing the problem.
Measurements:	sgpqcrad1longE15.s2: Shortwave Direct Normal Irradiance(short_direct_normal)

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DQRID : D120510.24

Start Date	Start Time	End Date	End Time	Data Quality Metric
05/11/1999	1400	05/18/1999	1900	Suspect

Subject:	SGP/QCRAD/E15 - LWup Td noisy
DataStreams:	sgpqcrad1longE15.s2
Description:	Upwelling longwave dome temperature noisy during this period which may add additional noise in the LWup and SWup fluxes. No instrument DQRs exist documenting this problem.
Measurements:	sgpqcrad1longE15.s2: Upwelling shortwave hemispheric irradiance, pyranometer(up_short_hemisp) Upwelling longwave hemispheric irradiance, pyrgeometer(up_long_hemisp) LWupTd

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