| R# | Serial Number | Calibration Facility | Calibration Date | Date for next Calibration | Responsivity [45] | Calibration Factor [45] | Instrument::Make | Instrument::Model | Instrument::Description | Instrument::Program | Instrument::Factory Calibration | Instrument::Date of Factory Calibration | Responsivity Bins [2 deg] | Responsivity Function Coefficients | Other Calibrations | Calibration File | Contact Person | Documentation Title | Calibration Method | Calibration Notes | Other Information | Datalogger Entry Date | Responsivity [45] [Corr] | Calibration Factor [45] [Corr] | Correction Method | Responsivity Bins Average [2 deg] |
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| 1 | 30835F3 | NREL's Outdoor | 08/10/1995 | | 4.07 | | Eppley | PIR | Precision Infrared Radiometer | ARM/SGP | 4.07 (temp -30° to +40°C) | 08/10/1995 | | | | | Tom Kirk | Standardization of Eppley PIR | | | | | | | | |
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| 2 | 30835F3 | NREL's Outdoor | 02/16/1996 | | 3.99 uV/W/sqm | | Eppley | PIR | Precision Infrared Radiometer | ARM/SGP | 4.07 (temp -30° to +40°C) | 08/10/1995 | | | | | M Rubes | NOAA/SRRB Table Mt. Cals | | | | | | | | |
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| 3 | 30835F3 | NREL's Outdoor | 05/13/2002 | 05/13/2003 | K0= -9.49;K1=0.2363651;K2=1.013;K3= -2.177 | | Eppley | PIR | Precision Infrared Radiometer | ARM/SGP | 4.07 (temp -30° to +40°C) | 08/10/1995 | | | | | Dan Nelson | SGP/Black Body | Black Body | U95(SGP-BB)+/-0.22% | | | | | | |
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| 4 | 30835F3 | NREL's Outdoor | 07/02/2004 | 07/02/2005 | K0= -12.84;K1=0.23840;,K2=1.020;K3= -2.549 | | Eppley | PIR | Precision Infrared Radiometer | ARM/SGP | 4.07 (temp -30° to +40°C) | 08/10/1995 | | | | | Dan Nelson | SGP/Black Body | Black Body | U95(SGP-BB)±0.17% | | | | | | |
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| 5 | 30835F3 | SRRL/2016-02 LW | 08/05/2016 | 08/05/2018 | K0=0.0;K1=0.2298;K2=0.9987;K3=-3.52;Kr=7.044e-4 ; U95 (wrt WISG) = ±2.39 W/m² ; N=3221 | | Eppley | PIR | Precision Infrared Radiometer | ARM/SGP | 4.07 (temp -30° to +40°C) | 08/10/1995 | | | | | Afshin M. Andreas | BORCAL-LW 2016-02 Certificates | | | | | K0=-9.1;K1=0.2306;K2=1.0210;K3=-3.45;Kr=7.044e-4 ; U95 (wrt WISG) = ±2.29 W/m² ; N=3183 | | Analysis w/o K0 forced to zero | |
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| 6 | 30835F3 | SRRL/2017-02 LW | 05/08/2017 | 05/08/2019 | K0=0.0;K1=0.2293;K2=1.0017;K3=-3.36;Kr=7.044e-4 ; U95 (wrt WISG) = ±2.1 W/m² ; N=1447 | | Eppley | PIR | Precision Infrared Radiometer | ARM/SGP | 4.07 (temp -30° to +40°C) | 08/10/1995 | | | [2017-02-LW_Craig_Webb.pdf] | | Afshin M. Andreas | BORCAL-LW 2017-02 Certificates | | | | | K0=-6.3;K1=0.2301;K2=1.0206;K3=-3.47;Kr=7.044e-4 ; U95 (wrt WISG) = ±1.8 W/m² ; N=1405 | | Analysis w/o K0 forced to zero | |
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| 7 | 30835F3 | SGP/2019-06 LW | 11/18/2019 | 11/18/2020 | K0=0.0;K1=0.22601;K2=0.9985;K3=-3.34;Kr=7.044e-4 ; U95 (wrt WISG) = ±3.0 W/m² ; N=3790 | | Eppley | PIR | Precision Infrared Radiometer | ARM/SGP | 4.07 (temp -30° to +40°C) | 08/10/1995 | | | [2019-06-LW_Full.pdf] | | Craig Webb | BORCAL-LW 2019-06 Certificates | | | | | K0=1.0;K1=0.22615;K2=0.9958;K3=-3.38;Kr=7.044e-4 ; U95 (wrt WISG) = ±3.0 W/m² ; N=3789 | | Analysis w/o K0 forced to zero | |
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| 8 | 30835F3 | SGP/2021-02 LW | 08/11/2021 | 08/11/2023 | K1=0.22723;K2=0.9985;K3=-3.33;Kr=7.044e-4 ; U95 (wrt WISG) = ±2.6 W/m² ; N=4333 | | Eppley | PIR | Precision Infrared Radiometer | ARM/SGP | 4.07 (temp -30° to +40°C) | 08/10/1995 | | | [2021-02-LW_Full.pdf] | | Craig Webb | BORCAL-LW 2021-02 Certificates | | | | | | | | |
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| 9 | 30835F3 | SGP/2024-01 LW | 04/01/2024 | 04/01/2026 | K1=0.23440;K2=1.0009;K3=-3.53;Kr=7.044e-4 ; U95 (wrt WISG) = ±3.1 W/m² ; N=5950 | | Eppley | PIR | Precision Infrared Radiometer | ARM/SGP | 4.07 (temp -30° to +40°C) | 08/10/1995 | | | [2024-01-LW_Full.pdf] | | James Martin | BORCAL-LW 2024-01 Certificates | | | | | | | | |
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