D Q R Report

DQRID : D990912.2

Start Date	Start Time	End Date	End Time	Data Quality Metric
06/15/1999	0000	08/17/1999	2359	Suspect

Subject:	TWP/MFRSR/C1 - Shadowband misalignment
DataStreams:	twpmfrsrC1.a0, twpmfrsrC1.b1
Description:	From 1999/06/15 (or earlier), the MFRSR had shading problem in the morning hours. These shading problems can be identified by the fuzziness in the direct normal irradiance. The problem was corrected on 1999/08/17. Only the direct normal irradiance and the diffuse irradiance are affected, total irradiance is OK.
Suggestions:
Measurements:	twpmfrsrC1.a0: diffuse_hemisp_narrowband_filter2_raw diffuse_hemisp_narrowband_filter6_raw diffuse_hemisp_narrowband_filter3_raw diffuse_hemisp_broadband_raw diffuse_hemisp_broadband direct_horizontal_broadband diffuse_hemisp_narrowband_filter1 diffuse_hemisp_narrowband_filter2 diffuse_hemisp_narrowband_filter3 direct_horizontal_narrowband_filter6 diffuse_hemisp_narrowband_filter4 diffuse_hemisp_narrowband_filter5 diffuse_hemisp_narrowband_filter4_raw diffuse_hemisp_narrowband_filter6 direct_horizontal_narrowband_filter2 direct_horizontal_narrowband_filter3 direct_horizontal_narrowband_filter4 direct_horizontal_narrowband_filter5 direct_horizontal_narrowband_filter1 diffuse_hemisp_narrowband_filter1_raw diffuse_hemisp_narrowband_filter5_raw more twpmfrsrC1.b1: direct_horizontal_narrowband_filter6 direct_horizontal_narrowband_filter5 direct_horizontal_narrowband_filter4 direct_horizontal_narrowband_filter3 direct_horizontal_narrowband_filter2 diffuse_hemisp_narrowband_filter3 direct_horizontal_narrowband_filter1 diffuse_hemisp_narrowband_filter4 diffuse_hemisp_narrowband_filter5 diffuse_hemisp_narrowband_filter6 direct_normal_broadband diffuse_hemisp_narrowband_filter1 diffuse_hemisp_narrowband_filter2 diffuse_hemisp_broadband direct_normal_narrowband_filter5 direct_normal_narrowband_filter6 direct_horizontal_broadband direct_normal_narrowband_filter3 direct_normal_narrowband_filter4 direct_normal_narrowband_filter1 direct_normal_narrowband_filter2 more

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