DQR ID | Subject | Data Streams Affected |
---|
D030527.2 | SGP/SIRS/E27 - Instrument problem, Shadowband Misalignment | sgpsirs20sE27.a0, sgpsirsE27.00, sgpsirsE27.b1 |
D030529.3 | SGP/SIRS/E21 - Shadowband Misalignment/Tracker Failure | sgpsirs20sE21.a0, sgpsirsE21.00, sgpsirsE21.b1 |
D030612.1 | SGP/SIRS/E21 - Shadowband Misalignment/Tracker Failure | sgpsirs20sE21.a0, sgpsirsE21.00, sgpsirsE21.b1 |
D030701.1 | SGP/SIRS/E10 - Noisy US(upwelling shortwave) data stream problem | sgpsirs20sE10.a0, sgpsirsE10.00, sgpsirsE10.b1 |
D030715.1 | SGP/SIRS/E3 - Degraded upwelling longwave data | sgpsirs20sE3.a0, sgpsirsE3.00, sgpsirsE3.b1 |
D030715.2 | SGP/SIRS/E5 - Downwelling direct normal (NIP) reporting low | sgpsirs20sE5.a0, sgpsirsE5.00, sgpsirsE5.b1 |
D030722.2 | SGP/SIRS/E21 - Shadowband Misalignment | sgpsirs20sE21.a0, sgpsirsE21.00, sgpsirsE21.b1 |
D030901.1 | SGP/SIRS/E19 - Shadowband Misalignment | sgpsirs20sE19.a0, sgpsirsE19.00, sgpsirsE19.b1 |
D030922.4 | SGP/SIRS/E27 - Tracker Misalignment | sgpsirs20sE27.a0, sgpsirsE27.00, sgpsirsE27.b1 |
D030922.5 | SGP/SIRS/E2 - Ventilator Fan Failure | sgpsirs20sE2.a0, sgpsirsE2.00, sgpsirsE2.b1 |
D031009.2 | SGP/SIRS/E21 - Reprocess: Incorrect PIR/UIR Calibration Coefficient | sgpsirsE21.00, sgpsirsE21.b1 |
D031020.1 | SGP/SIRS/E1 - failed SIRS multiplexer | sgpsirs20sE1.a0, sgpsirsE1.00, sgpsirsE1.b1 |
D031020.2 | SGP/SIRS/E9 - Possible instrument drift | sgpsirs20sE9.a0, sgpsirsE9.00, sgpsirsE9.b1 |
D031020.3 | SGP/SIRS/E18 - Instrument noise problem | sgpsirs20sE18.a0, sgpsirsE18.00, sgpsirsE18.b1 |
D031020.4 | SGP/SIRS/E21 - Bird Poop Contamination | sgpsirs20sE21.a0, sgpsirsE21.00, sgpsirsE21.b1 |
D031027.1 | SGP/SIRS/E10 - Noisy UIR (upwelling longwave)data stream problem | sgpsirs20sE10.a0, sgpsirsE10.00, sgpsirsE10.b1 |
D031118.1 | SGP/SIRS/E1 - Unknown - Downwelling shaded longwave measurement incorrect | sgpsirs20sE1.a0, sgpsirsE1.00, sgpsirsE1.b1 |
D031124.8 | SGP/SIRS/E7 - Unknown problem with downwelling shortwave instrument (Eppley PSP) | sgpsirs20sE7.a0, sgpsirsE7.00, sgpsirsE7.b1 |
D040126.3 | SGP/SIRS/E21 - False signal | sgpsirs20sE21.a0, sgpsirsE21.00, sgpsirsE21.b1 |
D040525.12 | SGP/SIRS/E19 - Metadata errors | sgpsirsE19.b1 |
D040712.2 | SGP/SIRS/E24 - NIP shaded near sunrise | sgpsirs20sE24.a0, sgpsirs60sE24.a1, sgpsirsE24.a2, sgpsirsE24.b1 |
D040712.3 | SGP/SIRS/E24 - NIP shaded near sunrise | sgpsirs20sE24.a0, sgpsirsE24.b1 |
D060630.20 | SGP/SIRS/E12 - Reprocessed: Longwave Calibration error | sgpsirsE12.b1 |
D060630.22 | SGP/SIRS/E15 - Reprocessed: Longwave Calibration error | sgpsirsE15.b1 |
D060630.23 | SGP/SIRS/E16 - Reprocessed: Longwave Calibration error | sgpsirsE16.b1 |
D060630.24 | SGP/SIRS/E18 - Reprocessed: Longwave Calibration error | sgpsirsE18.b1 |
D060630.25 | SGP/SIRS/E19 - Reprocessed: Longwave Calibration error | sgpsirsE19.b1 |
D060630.26 | SGP/SIRS/E20 - Reprocessed: Longwave Calibration error | sgpsirsE20.b1 |
D060630.27 | SGP/SIRS/E21 - Reprocessed: Longwave Calibration error | sgpsirsE21.b1 |
D060630.28 | SGP/SIRS/E22 - Reprocessed: Longwave Calibration error | sgpsirsE22.b1 |
D060630.29 | SGP/SIRS/E24 - Reprocessed: Longwave Calibration error | sgpsirsE24.b1 |
D060630.30 | SGP/SIRS/E27 - Reprocessed: Longwave Calibration error | sgpsirsE27.b1 |
Subject: | SGP/SIRS/E27 - Instrument problem, Shadowband Misalignment |
DataStreams: | sgpsirs20sE27.a0, sgpsirsE27.00, sgpsirsE27.b1
|
Description: | Downwelling and Upwelling longwave values are somewhat noisy due to noisy PIR (pygeometer)
case and dome thermistor measurements on both the upwelling and downwelling PIRs. This
problem dates back to the beginning of the SIRS E27 data stream. |
Measurements: | sgpsirsE27.00: - Raw data stream - documentation not supported(Raw data stream - documentation not supported)
sgpsirsE27.b1: - Upwelling (10 meter) Longwave Hemispheric Irradiance, Pyrgeometer, Maxima(up_long_hemisp_max)
- Upwelling (10 meter) Longwave Hemispheric Irradiance, Pyrgeometer(up_long_hemisp)
- Instantaneous Case Temperature(inst_up_long_case_temp)
- Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer, Maxima(down_long_hemisp_shaded_max)
- Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer, Standard
Deviation(down_long_hemisp_shaded_std) - Instantaneous Dome Temperature(inst_up_long_dome_temp)
- Instantaneous Downwelling Pyrgeometer Case Thermistor Temperature, Shaded
Pyrgeometer(inst_down_long_shaded_case_temp) - Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer(down_long_hemisp_shaded)
- Upwelling (10 meter) Longwave Hemispheric Irradiance, Pyrgeometer, Standard
Deviation(up_long_hemisp_std) - Instantaneous Downwelling Pyrgeometer Dome Thermistor Temperature, Shaded
Pyrgeometer(inst_down_long_shaded_dome_temp) - Upwelling (10 meter) Longwave Hemispheric Irradiance, Pyrgeometer, Minima(up_long_hemisp_min)
- Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer, Minima(down_long_hemisp_shaded_min)
sgpsirs20sE27.a0: - Instantaneous Downwelling Pyrgeometer Dome Thermistor Resistance, Shaded
Pyrgeometer(inst_down_long_shaded_dome_resist) - Instantaneous Downwelling Pyrgeometer Case Thermistor Resistance, Shaded
Pyrgeometer(inst_down_long_shaded_case_resist) - Instantaneous Upwelling Pyrgeometer Case Thermistor Resistance Pyrgeometer(inst_up_long_case_resist)
- Instantaneous Upwelling Pyrgeometer Dome Thermistor Resistance Pyrgeometer(inst_up_long_dome_resist)
|
Subject: | SGP/SIRS/E21 - Shadowband Misalignment/Tracker Failure |
DataStreams: | sgpsirs20sE21.a0, sgpsirsE21.00, sgpsirsE21.b1
|
Description: | The solar tracker failed beginning around sunrise on 05/19/03 most likely during the
previous nights reset. Failure time was approximate time of sunrise at 1000 on 05/19/03. The
tracker was power cycled and RTS at 1415 GMT on 05/28/03. |
Measurements: | sgpsirsE21.00: - Raw data stream - documentation not supported(Raw data stream - documentation not supported)
sgpsirs20sE21.a0: - Instantaneous Downwelling Pyrgeometer Case Thermistor Resistance, Shaded
Pyrgeometer(inst_down_long_shaded_case_resist) - Instantaneous Downwelling Pyrgeometer Dome Thermistor Resistance, Shaded
Pyrgeometer(inst_down_long_shaded_dome_resist) - Instantaneous Direct Normal Shortwave Irradiance, Pyheliometer Thermopile
Voltage(inst_direct_normal) - Instantaneous Uncorrected Downwelling Shortwave Diffuse, Shaded Pyranometer
Thermopile Voltage(inst_diffuse) - Instantaneous Downwelling Pyrgeometer Thermopile Voltage, Shaded Pyrgeometer(inst_down_long_hemisp_shaded_tp)
sgpsirsE21.b1: - Downwelling Shortwave Hemispheric Irradiance, Pyranometer, Standard Deviation(down_short_diffuse_hemisp_std)
- Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer, Minima(down_long_hemisp_shaded_min)
- Shortwave Direct Normal Irradiance, Pyrgeometer, Maxima(short_direct_normal_max)
- Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer, Maxima(down_long_hemisp_shaded_max)
- Downwelling Shortwave Diffuse Hemispheric Irradiance, Ventilated Pyranometer(down_short_diffuse_hemisp)
- Instantaneous Downwelling Pyrgeometer Case Thermistor Temperature, Shaded
Pyrgeometer(inst_down_long_shaded_case_temp) - Instantaneous Downwelling Pyrgeometer Dome Thermistor Temperature, Shaded
Pyrgeometer(inst_down_long_shaded_dome_temp) - Downwelling Longwave Hemispheric Net Infrared(down_long_netir)
- Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer, Standard
Deviation(down_long_hemisp_shaded_std) - Downwelling Shortwave Diffuse Hemispheric Irradiance, Ventilated Pyranometer,
Maxima(down_short_diffuse_hemisp_max) - Shortwave Direct Normal Irradiance, Pyrgeometer(short_direct_normal)
- Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer(down_long_hemisp_shaded)
- Downwelling Shortwave Diffuse Hemispheric Irradiance, Ventilated Pyranometer,
Minima(down_short_diffuse_hemisp_min) - Shortwave Direct Normal Irradiance, Pyrgeometer, Standard Deviation(short_direct_normal_std)
- Shortwave Direct Normal Irradiance, Pyrgeometer, Minima(short_direct_normal_min)
|
Subject: | SGP/SIRS/E21 - Shadowband Misalignment/Tracker Failure |
DataStreams: | sgpsirs20sE21.a0, sgpsirsE21.00, sgpsirsE21.b1
|
Description: | Suntracker appears to have failed beginning on 6/3/03, most likely during previous night
reset. Start time listed is approximate time of sunrise. |
Measurements: | sgpsirsE21.00: - Raw data stream - documentation not supported(Raw data stream - documentation not supported)
sgpsirs20sE21.a0: - Instantaneous Downwelling Pyrgeometer Case Thermistor Resistance, Shaded
Pyrgeometer(inst_down_long_shaded_case_resist) - Instantaneous Downwelling Pyrgeometer Dome Thermistor Resistance, Shaded
Pyrgeometer(inst_down_long_shaded_dome_resist) - Instantaneous Direct Normal Shortwave Irradiance, Pyheliometer Thermopile
Voltage(inst_direct_normal) - Instantaneous Uncorrected Downwelling Shortwave Diffuse, Shaded Pyranometer
Thermopile Voltage(inst_diffuse) - Instantaneous Downwelling Pyrgeometer Thermopile Voltage, Shaded Pyrgeometer(inst_down_long_hemisp_shaded_tp)
sgpsirsE21.b1: - Downwelling Shortwave Hemispheric Irradiance, Pyranometer, Standard Deviation(down_short_diffuse_hemisp_std)
- Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer, Minima(down_long_hemisp_shaded_min)
- Shortwave Direct Normal Irradiance, Pyrgeometer, Maxima(short_direct_normal_max)
- Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer, Maxima(down_long_hemisp_shaded_max)
- Downwelling Shortwave Diffuse Hemispheric Irradiance, Ventilated Pyranometer(down_short_diffuse_hemisp)
- Instantaneous Downwelling Pyrgeometer Case Thermistor Temperature, Shaded
Pyrgeometer(inst_down_long_shaded_case_temp) - Instantaneous Downwelling Pyrgeometer Dome Thermistor Temperature, Shaded
Pyrgeometer(inst_down_long_shaded_dome_temp) - Downwelling Longwave Hemispheric Net Infrared(down_long_netir)
- Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer, Standard
Deviation(down_long_hemisp_shaded_std) - Downwelling Shortwave Diffuse Hemispheric Irradiance, Ventilated Pyranometer,
Maxima(down_short_diffuse_hemisp_max) - Shortwave Direct Normal Irradiance, Pyrgeometer(short_direct_normal)
- Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer(down_long_hemisp_shaded)
- Downwelling Shortwave Diffuse Hemispheric Irradiance, Ventilated Pyranometer,
Minima(down_short_diffuse_hemisp_min) - Shortwave Direct Normal Irradiance, Pyrgeometer, Standard Deviation(short_direct_normal_std)
- Shortwave Direct Normal Irradiance, Pyrgeometer, Minima(short_direct_normal_min)
|
Subject: | SGP/SIRS/E21 - Shadowband Misalignment |
DataStreams: | sgpsirs20sE21.a0, sgpsirsE21.00, sgpsirsE21.b1
|
Description: | Solar tracker stopped functioning on 7/17. Tracker power cycled on
07/24 and returned to normal tracking but failed again 7/25. Power
was cycled again 8/6 and tracker performance was sustained thereafter. |
Measurements: | sgpsirsE21.00: - Raw data stream - documentation not supported(Raw data stream - documentation not supported)
sgpsirs20sE21.a0: - Instantaneous Direct Normal Shortwave Irradiance, Pyheliometer Thermopile
Voltage(inst_direct_normal) - Instantaneous Uncorrected Downwelling Shortwave Diffuse, Shaded Pyranometer
Thermopile Voltage(inst_diffuse) - Instantaneous Downwelling Pyrgeometer Thermopile Voltage, Shaded Pyrgeometer(inst_down_long_hemisp_shaded_tp)
sgpsirsE21.b1: - Downwelling Shortwave Hemispheric Irradiance, Pyranometer, Standard Deviation(down_short_diffuse_hemisp_std)
- Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer, Minima(down_long_hemisp_shaded_min)
- Shortwave Direct Normal Irradiance, Pyrgeometer, Maxima(short_direct_normal_max)
- Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer, Maxima(down_long_hemisp_shaded_max)
- Downwelling Shortwave Diffuse Hemispheric Irradiance, Ventilated Pyranometer(down_short_diffuse_hemisp)
- Downwelling Longwave Hemispheric Net Infrared(down_long_netir)
- Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer, Standard
Deviation(down_long_hemisp_shaded_std) - Downwelling Shortwave Diffuse Hemispheric Irradiance, Ventilated Pyranometer,
Maxima(down_short_diffuse_hemisp_max) - Shortwave Direct Normal Irradiance, Pyrgeometer(short_direct_normal)
- Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer(down_long_hemisp_shaded)
- Downwelling Shortwave Diffuse Hemispheric Irradiance, Ventilated Pyranometer,
Minima(down_short_diffuse_hemisp_min) - Shortwave Direct Normal Irradiance, Pyrgeometer, Standard Deviation(short_direct_normal_std)
- Shortwave Direct Normal Irradiance, Pyrgeometer, Minima(short_direct_normal_min)
|
Subject: | SGP/SIRS/E19 - Shadowband Misalignment |
DataStreams: | sgpsirs20sE19.a0, sgpsirsE19.00, sgpsirsE19.b1
|
Description: | The solar tracker appears to have failed on 8/28. Fuse replaced on 09/04/03 and tracker
returned to service at 15:26GMT |
Measurements: | sgpsirsE19.b1: - Shortwave Direct Normal Irradiance, Pyrgeometer(short_direct_normal)
- Downwelling Shortwave Diffuse Hemispheric Irradiance, Ventilated Pyranometer(down_short_diffuse_hemisp)
- Downwelling Shortwave Diffuse Hemispheric Irradiance, Ventilated Pyranometer,
Maxima(down_short_diffuse_hemisp_max) - Downwelling Shortwave Hemispheric Irradiance, Pyranometer, Standard Deviation(down_short_diffuse_hemisp_std)
- Downwelling Longwave Hemispheric Net Infrared(down_long_netir)
- Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer, Minima(down_long_hemisp_shaded_min)
- Shortwave Direct Normal Irradiance, Pyrgeometer, Maxima(short_direct_normal_max)
- Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer(down_long_hemisp_shaded)
- Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer, Standard
Deviation(down_long_hemisp_shaded_std) - Shortwave Direct Normal Irradiance, Pyrgeometer, Minima(short_direct_normal_min)
- Shortwave Direct Normal Irradiance, Pyrgeometer, Standard Deviation(short_direct_normal_std)
- Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer, Maxima(down_long_hemisp_shaded_max)
- Downwelling Shortwave Diffuse Hemispheric Irradiance, Ventilated Pyranometer,
Minima(down_short_diffuse_hemisp_min)
sgpsirs20sE19.a0: - Instantaneous Direct Normal Shortwave Irradiance, Pyheliometer Thermopile
Voltage(inst_direct_normal) - Instantaneous Downwelling Pyrgeometer Thermopile Voltage, Shaded Pyrgeometer(inst_down_long_hemisp_shaded_tp)
- Instantaneous Uncorrected Downwelling Shortwave Diffuse, Shaded Pyranometer
Thermopile Voltage(inst_diffuse)
sgpsirsE19.00: - Raw data stream - documentation not supported(Raw data stream - documentation not supported)
|
Subject: | SGP/SIRS/E27 - Tracker Misalignment |
DataStreams: | sgpsirs20sE27.a0, sgpsirsE27.00, sgpsirsE27.b1
|
Description: | Suntracker failed at this facility. The suntracker was reset on
9/17, but this only temporarily fixed the problem and the tracker
began failing again 9/18. Tracker was reset and realigned on
10/15/03 17:30GMT and has been operating properly since. |
Measurements: | sgpsirsE27.00: - Raw data stream - documentation not supported(Raw data stream - documentation not supported)
sgpsirsE27.b1: - Shortwave Direct Normal Irradiance, Pyrgeometer, Maxima(short_direct_normal_max)
- Shortwave Direct Normal Irradiance, Pyrgeometer, Minima(short_direct_normal_min)
- Downwelling Shortwave Diffuse Hemispheric Irradiance, Ventilated Pyranometer,
Minima(down_short_diffuse_hemisp_min) - Downwelling Shortwave Diffuse Hemispheric Irradiance, Ventilated Pyranometer,
Maxima(down_short_diffuse_hemisp_max) - Downwelling Shortwave Diffuse Hemispheric Irradiance, Ventilated Pyranometer(down_short_diffuse_hemisp)
- Shortwave Direct Normal Irradiance, Pyrgeometer, Standard Deviation(short_direct_normal_std)
- Shortwave Direct Normal Irradiance, Pyrgeometer(short_direct_normal)
- Downwelling Shortwave Hemispheric Irradiance, Pyranometer, Standard Deviation(down_short_diffuse_hemisp_std)
sgpsirs20sE27.a0: - Instantaneous Uncorrected Downwelling Shortwave Diffuse, Shaded Pyranometer
Thermopile Voltage(inst_diffuse) - Instantaneous Direct Normal Shortwave Irradiance, Pyheliometer Thermopile
Voltage(inst_direct_normal)
|
Subject: | SGP/SIRS/E1 - failed SIRS multiplexer |
DataStreams: | sgpsirs20sE1.a0, sgpsirsE1.00, sgpsirsE1.b1
|
Description: | Beginning 10/14, a failed multiplexer resulted in missing
downwelling shortwave data and downwelling and upwelling
longwave data which were much too low. The multiplexer
handles data for the longwave instruments (UIR and DIR)
case and dome temperatures as well as the downwelling shortwave
hemispheric instrument (DS). |
Measurements: | sgpsirs20sE1.a0: - Instantaneous Downwelling Pyrgeometer Dome Thermistor Resistance, Shaded
Pyrgeometer(inst_down_long_shaded_dome_resist) - Instantaneous Downwelling Pyrgeometer Case Thermistor Resistance, Shaded
Pyrgeometer(inst_down_long_shaded_case_resist) - Instantaneous Downwelling Hemispheric Shortwave, Unshaded Pyranometer Thermopile
Voltage(inst_global) - Instantaneous Upwelling Pyrgeometer Dome Thermistor Resistance Pyrgeometer(inst_up_long_dome_resist)
- Instantaneous Upwelling Pyrgeometer Case Thermistor Resistance Pyrgeometer(inst_up_long_case_resist)
sgpsirsE1.b1: - Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer, Minima(down_long_hemisp_shaded_min)
- Instantaneous Case Temperature(inst_up_long_case_temp)
- Instantaneous Downwelling Pyrgeometer Case Thermistor Temperature, Shaded
Pyrgeometer(inst_down_long_shaded_case_temp) - Downwelling Shortwave Hemispheric Irradiance, Ventilated Pyranometer, Maxima(down_short_hemisp_max)
- Upwelling (10 meter) Longwave Hemispheric Irradiance, Pyrgeometer, Minima(up_long_hemisp_min)
- Instantaneous Downwelling Pyrgeometer Dome Thermistor Temperature, Shaded
Pyrgeometer(inst_down_long_shaded_dome_temp) - Downwelling Shortwave Hemispheric Irradiance, Ventilated Pyranometer, Standard
Deviation(down_short_hemisp_std) - Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer, Maxima(down_long_hemisp_shaded_max)
- Downwelling Shortwave Hemispheric Irradiance, Ventilated Pyranometer, Minima(down_short_hemisp_min)
- Upwelling (10 meter) Longwave Hemispheric Irradiance, Pyrgeometer(up_long_hemisp)
- Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer(down_long_hemisp_shaded)
- Instantaneous Dome Temperature(inst_up_long_dome_temp)
- Upwelling (10 meter) Longwave Hemispheric Irradiance, Pyrgeometer, Maxima(up_long_hemisp_max)
- Upwelling (10 meter) Longwave Hemispheric Irradiance, Pyrgeometer, Standard
Deviation(up_long_hemisp_std) - Down-welling unshaded pyranometer voltage(down_short_hemisp)
- Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer, Standard
Deviation(down_long_hemisp_shaded_std)
sgpsirsE1.00: - Raw data stream - documentation not supported(Raw data stream - documentation not supported)
|
Subject: | SGP/SIRS/E24 - NIP shaded near sunrise |
DataStreams: | sgpsirs20sE24.a0, sgpsirs60sE24.a1, sgpsirsE24.a2, sgpsirsE24.b1
|
Description: | The NIP is shaded by the EF laptop computer enclosure near sunrise during parts of the
Spring and Summer. This has occurred from 04/08 to 05/20 and from 07/26 to 09/06 every year
since 2001 and will occur during these date ranges in the future as well. The shading
occurs for a few minutes each day between 1200 and 1300 GMT depending on the time of the
year. For the early dates, shading occurs a little after 1200 GMT and by 05/20 shading
happens nearer to 1300 GMT. In late July the shading occurs near 1300 GMT and closer to
1200 GMT by 09/06. |
Measurements: | sgpsirs20sE24.a0: - Instantaneous Direct Normal Shortwave Irradiance, Pyheliometer Thermopile
Voltage(inst_direct_normal)
sgpsirs60sE24.a1: - Shortwave Direct Normal Irradiance, Pyrgeometer, Standard Deviation(short_direct_normal_std)
- Shortwave Direct Normal Irradiance, Pyrgeometer, Maxima(short_direct_normal_max)
- Shortwave Direct Normal Irradiance, Pyrgeometer(short_direct_normal)
- Shortwave Direct Normal Irradiance, Pyrgeometer, Minima(short_direct_normal_min)
sgpsirsE24.b1: - Shortwave Direct Normal Irradiance, Pyrgeometer, Maxima(short_direct_normal_max)
- Shortwave Direct Normal Irradiance, Pyrgeometer(short_direct_normal)
- Shortwave Direct Normal Irradiance, Pyrgeometer, Standard Deviation(short_direct_normal_std)
- Shortwave Direct Normal Irradiance, Pyrgeometer, Minima(short_direct_normal_min)
sgpsirsE24.a2: - Shortwave Direct Normal Irradiance, Pyrgeometer, Standard Deviation(short_direct_normal_std)
- Shortwave Direct Normal Irradiance, Pyrgeometer, Maxima(short_direct_normal_max)
- Shortwave Direct Normal Irradiance, Pyrgeometer(short_direct_normal)
- Shortwave Direct Normal Irradiance, Pyrgeometer, Minima(short_direct_normal_min)
|