D Q R Report

DQRID : D990713.1

Start Date	Start Time	End Date	End Time	Data Quality Metric
10/31/1998	2359	06/19/1999	2359	Suspect

Subject:	TWP/MFRSR/C2 - Head not level
DataStreams:	twpmfrsrC2.b1, twpmfrsrC2.a0
Description:	The data from the Nauru MFRSR is questionable because either the cosine correction is bad and/or the head was not level. These problems cause some total optical depths to be below the Rayleigh limit ... obviously something is wrong! The head was checked for level on 1999/05/12 and it was found to be out of level so we do know that 'levelness' has been a problem. We don't yet know if the cosine correction, too, has been a problem. In any event the head was changed on 99/06/19 and the data from this point on looks very good.
Suggestions:
Measurements:	twpmfrsrC2.a0: direct_horizontal_narrowband_filter5 direct_horizontal_narrowband_filter6 direct_horizontal_narrowband_filter1 direct_horizontal_narrowband_filter2 diffuse_hemisp_narrowband_filter1_raw direct_horizontal_narrowband_filter3 direct_horizontal_narrowband_filter4 hemisp_narrowband_filter2 hemisp_narrowband_filter1 hemisp_narrowband_filter4 hemisp_narrowband_filter3 hemisp_narrowband_filter6 hemisp_narrowband_filter5 diffuse_hemisp_narrowband_filter2_raw diffuse_hemisp_broadband_raw hemisp_broadband_raw diffuse_hemisp_narrowband_filter3 diffuse_hemisp_narrowband_filter2 diffuse_hemisp_narrowband_filter1 hemisp_narrowband_filter1_raw diffuse_hemisp_narrowband_filter6_raw hemisp_narrowband_filter2_raw direct_horizontal_broadband diffuse_hemisp_narrowband_filter6 diffuse_hemisp_narrowband_filter5 diffuse_hemisp_narrowband_filter4 hemisp_narrowband_filter3_raw hemisp_narrowband_filter4_raw hemisp_broadband diffuse_hemisp_narrowband_filter4_raw diffuse_hemisp_narrowband_filter3_raw hemisp_narrowband_filter5_raw diffuse_hemisp_broadband hemisp_narrowband_filter6_raw diffuse_hemisp_narrowband_filter5_raw more twpmfrsrC2.b1: hemisp_narrowband_filter2 direct_horizontal_narrowband_filter1 direct_horizontal_narrowband_filter2 hemisp_narrowband_filter1 direct_horizontal_narrowband_filter3 direct_horizontal_narrowband_filter4 hemisp_narrowband_filter6 direct_horizontal_narrowband_filter5 hemisp_narrowband_filter5 direct_horizontal_narrowband_filter6 hemisp_narrowband_filter4 hemisp_narrowband_filter3 direct_normal_narrowband_filter2 direct_normal_narrowband_filter3 direct_normal_narrowband_filter1 direct_normal_narrowband_filter6 direct_normal_narrowband_filter4 direct_normal_narrowband_filter5 direct_normal_broadband hemisp_broadband diffuse_hemisp_narrowband_filter6 diffuse_hemisp_narrowband_filter5 diffuse_hemisp_narrowband_filter4 cosine_solar_zenith_angle direct_horizontal_broadband diffuse_hemisp_narrowband_filter3 diffuse_hemisp_narrowband_filter2 diffuse_hemisp_narrowband_filter1 diffuse_hemisp_broadband more

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