| R# | Serial Number | Calibration Facility | Calibration Date | Date for next Calibration | Responsivity [45] | Responsivity [45:55] | Responsivity [Comp] | Calibration Factor [45] | Instrument::Make | Instrument::Model | Instrument::Description | Instrument::Program | Instrument::Factory Calibration | Instrument::Date of Factory Calibration | Responsivity Bins [2 deg] | Responsivity Bins [9 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] | Responsivity [45:55] [Corr] | Responsivity [Comp] [Corr] | Correction Method |
| 1 | 31399F3 | Eppley | 06/03/1996 | | 8.49 (temp -20 to +40°C) | | | | Eppley | PSP | Precision Spectral Pyranometer | NREL/Program | 8.49 (temp -20 to +40°C) | 06/03/1996 | | | | | | Tom Kirk | Standardization of Eppley PSP | | | | | | | | | |
| 2 | 31399F3 | NREL/98-02 | 06/19/1998 | 06/19/1999 | Rs=8.220 uV/W/sqm | | | | Eppley | PSP | Precision Spectral Pyranometer | NREL/Program | 8.49 (temp -20 to +40°C) | 06/03/1996 | | | | | | Tom Stoffel | Borcal98-02 | | Cf=121.65 W/sqm/mV +/-2.0% | | | | | | | |
| 3 | 31399F3 | SRRL/2002-03 | 07/16/2002 | 07/16/2003 | RS@45=7.8870 µV/W/m² ; +2.39/-3.45% ; N=10 | 7.8182 µV/W/m² ; ±2.47% | 7.9004 µV/W/m² ; +2.86/-27.30% | CF@45=126.79 W/m²/mV | Eppley | PSP | Precision Spectral Pyranometer | NREL/Program | 8.49 (temp -20 to +40°C) | 06/03/1996 | [31399F3_Eppley_PSP.2deg.txt] | [31399F3_Eppley_PSP.9deg.txt] | [31399F3_Eppley_PSP.coef.txt] | | | Tom Stoffel | Borcal 2002-03 | | Valid Incident angle range for RS@45: 30-60 | Responsivities Revised 10-20-2003 | | | | | | |
| 4 | 31399F3 | SRRL/2004-02 | 08/09/2004 | 08/09/2005 | RS@45=7.7496 µV/W/m² ; +2.22/-4.12% ; N=12 | 7.6776 µV/W/m² ; ±1.92% | 7.7598 µV/W/m² ; +2.30/-26.72% | CF@45=129.04 W/m²/mV | Eppley | PSP | Precision Spectral Pyranometer | NREL/Program | 8.49 (temp -20 to +40°C) | 06/03/1996 | [31399F3_Eppley_PSP.2deg.txt] | [31399F3_Eppley_PSP.9deg.txt] | [31399F3_Eppley_PSP.coef.txt] | | | Tom Stoffel | Borcal 2004-02 | | Valid Incident angle range for RS@45: 30-60 | | 08/19/2004 | | | | | |
| 5 | 31399F3 | SRRL/2006-01 | 05/16/2006 | 05/16/2007 | RS@45=7.6663 µV/W/m² ; +2.90/-4.04% ; N=13 ; I:30-60 | 7.5944 µV/W/m² ; ±1.87% | 7.7191 µV/W/m² ; +2.36/-14.73% | CF@45=130.44 W/m²/mV | Eppley | PSP | Precision Spectral Pyranometer | NREL/Program | 8.49 (temp -20 to +40°C) | 06/03/1996 | [31399F3_Eppley_PSP.2deg.txt] | [31399F3_Eppley_PSP.9deg.txt] | [31399F3_Eppley_PSP.coef.txt] | [31399F3_Eppley_PSP.lato.txt] | | Tom Stoffel | BORCAL 2006-01 Certificates | | | | 06/07/2006 | n/a ; n/a ; n/a ; I:n/a | n/a | n/a ; n/a | n/a ; n/a | None ; Estimated thermal offset error = -20 W/m² |
| 6 | 31399F3 | SRRL/2007-02 | 06/18/2007 | 06/18/2008 | RS@45=7.6415 µV/W/m² ; +2.40/-3.20% ; N=13 ; I:30-60 | 7.5887 µV/W/m² ; ±2.91% | 7.6580 µV/W/m² ; +3.51/-41.97% | CF@45=130.86 W/m²/mV | Eppley | PSP | Precision Spectral Pyranometer | NREL/Program | 8.49 (temp -20 to +40°C) | 06/03/1996 | [31399F3_Eppley_PSP.2deg.txt] | [31399F3_Eppley_PSP.9deg.txt] | [31399F3_Eppley_PSP.coef.txt] | [31399F3_Eppley_PSP.lato.txt] | | Tom Stoffel | BORCAL 2007-02 Certificates | | | | 06/28/2007 | n/a ; n/a ; n/a ; I:n/a | n/a | n/a ; n/a | n/a ; n/a | None ; Estimated thermal offset error = -20 W/m² |
| 7 | 31399F3 | SRRL/2009-01 | 05/27/2009 | 05/27/2010 | RS@45=7.5283 µV/W/m² ; +3.36/-3.89% ; N=12 ; I:30-60 | 7.4712 µV/W/m² ; ±1.76% | 7.5959 µV/W/m² ; +2.27/-8.73% | CF@45=132.83 W/m²/mV | Eppley | PSP | Precision Spectral Pyranometer | NREL/Program | 8.49 (temp -20 to +40°C) | 06/03/1996 | [31399F3_Eppley_PSP.2deg.txt] | [31399F3_Eppley_PSP.9deg.txt] | [31399F3_Eppley_PSP.coef.txt] | [31399F3_Eppley_PSP.lato.txt] | | Tom Stoffel | BORCAL 2009-01 Certificates | | | | 07/22/2009 | n/a ; n/a ; n/a ; I:n/a | n/a | n/a ; n/a | n/a ; n/a | None ; Estimated thermal offset error = -20 W/m² |
| 8 | 31399F3 | SRRL/2011-02 | 05/05/2011 | 05/05/2012 | R@45=7.5452 µV/W/m² ; +2.44/-3.85% ; N=12 ; Z:30-60 | n/a | n/a | CF@45=132.54 W/m²/mV | Eppley | PSP | Precision Spectral Pyranometer | NREL/Program | 8.49 (temp -20 to +40°C) | 06/03/1996 | [31399F3_Eppley_PSP.2deg.txt] | | [31399F3_Eppley_PSP.coef.txt] | [31399F3_Eppley_PSP.lato.txt] | | Tom Stoffel | BORCAL 2011-02 Certificates | | | | 05/26/2011 | R@45=7.5452 µV/W/m² ; +2.44/-3.85% ; N=12 ; Z:30-60 | CF@45=132.54 W/m²/mV | n/a | n/a | None ; Rnet=0.0 |