D Q R Report

DQRID : D081029.2

Start Date	Start Time	End Date	End Time
10/21/2008	1300	10/21/2008	1800
10/30/2008	0700	10/30/2008	1030
10/22/2008	0000	10/22/2008	2359
11/07/2008	2000	11/08/2008	1200
10/26/2008	0100	10/29/2008	1730
11/05/2008	1300	11/06/2008	0200
11/08/2008	1900	11/08/2008	2200
11/06/2008	1800	11/06/2008	2100
11/10/2008	0300	11/10/2008	0600
10/24/2008	0300	10/24/2008	1200
12/02/2008	1700	12/02/2008	1800
11/04/2008	2300	11/05/2008	0300

Subject:	SGP/SIRS/E11 - Instrument multiplexer failure
DataStreams:	sgpsirs20sE11.a0, sgpsirsE11.b1
Description:	The down_short_hemisp, up_long_hemisp and down_long_hemisp were very noisy. The SIRS multiplexer wiring or mux itself was failing during this time. Ops replaced the mux on 12/2.
Suggestions:	Data are not recoverable; dis-regard
Measurements:	sgpsirs20sE11.a0: Instantaneous Upwelling Pyrgeometer Case Thermistor Resistance, Pyrgeometer(inst_up_long_case_resist) Instantaneous downwelling pyrgeometer dome thermistor resistance, shaded pyrgeometer(inst_down_long_shaded_dome_resist) Instantaneous Downwelling Hemispheric Shortwave, Pyranometer Thermopile Voltage(inst_global) Instantaneous Downwelling Pyrgeometer Case Thermistor Resistance, Shaded Pyrgeometer(inst_down_long_shaded_case_resist) Instantaneous Upwelling Pyrgeometer Thermopile Pyrgeometer(inst_up_long_hemisp_tp) Instantaneous Upwelling Pyrgeometer Dome Thermistor Resistance Pyrgeometer(inst_up_long_dome_resist) Instantaneous downwelling pyrgeometer thermopile voltage, shaded pyrgeometer(inst_down_long_hemisp_shaded_tp) more sgpsirsE11.b1: Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer, Maxima(down_long_hemisp_shaded_max) Downwelling longwave hemispheric net infrared(down_long_netir) Downwelling longwave hemispheric irradiance, shaded pyrgeometer, standard deviation(down_long_hemisp_shaded_std) Downwelling Shortwave Hemispheric Irradiance, Pyranometer, Minima(down_short_hemisp_min) Instantaneous Dome Temperature(inst_up_long_dome_temp) Instantaneous Upwelling Longwave Hemispheric Irradiance, Pyrgeometer(up_long_netir) Downwelling longwave hemispheric irradiance, shaded pyrgeometer(down_long_hemisp_shaded) Instantaneous upwelling pyrgeometer case thermistor temperature, pyrgeometer(inst_up_long_case_temp) 10 meter Upwelling Longwave Hemispheric Irradiance, Pyrgeometer(up_long_hemisp) Down-welling unshaded pyranometer voltage(down_short_hemisp) Instantaneous downwelling pyrgeometer case thermistor temperature, shaded pyrgeometer(inst_down_long_shaded_case_temp) Upwelling longwave hemispheric irradiance, pyrgeometer, maxima(up_long_hemisp_max) Upwelling (10 meter) Longwave Hemispheric Irradiance, Ventilated Pyrgeometer, Standard Deviation(up_long_hemisp_std) Upwelling Longwave Hemispheric Irradiance, Pyrgeometer, Minima(up_long_hemisp_min) Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer, Minima(down_long_hemisp_shaded_min) Instantaneous Downwelling Pyrgeometer Dome Thermistor Temperature, Shaded Pyrgeometer(inst_down_long_shaded_dome_temp) Downwelling Shortwave Hemispheric Irradiance, Ventilated Pyrgeometer, Standard Deviation(down_short_hemisp_std) Downwelling shortwave hemispheric irradiance, pyranometer, maxima(down_short_hemisp_max) more

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