| 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 | 25822F3 | Eppley | 04/11/1985 | | 9.91 | | | | Eppley | PSP | Precision Spectral Pyranometer | NREL/Program | 9.91 sheet/tg | 04/11/1985 | | | | | | Tom Kirk | Standardization of Eppley PSP | | | | | | | | | |
| 2 | 25822F3 | NREL/98-05 | 09/03/1998 | 09/03/1999 | Rs=8.883 uV/W/sqm | | | | Eppley | PSP | Precision Spectral Pyranometer | NREL/Program | 9.91 sheet/tg | 04/11/1985 | | | | | | Tom Stoffel | Borcal/98-05 | | Cf=112.57 W/sqm/mV | | 11/01/2000 | | | | | |
| 3 | 25822F3 | SRRL/2005-01 | 05/19/2005 | 05/19/2006 | RS@45=8.7884 µV/W/m² ; +3.13/-6.92% ; N=10 | 8.7208 µV/W/m² ; ±4.01% | 8.8412 µV/W/m² ; +3.12/-33.14% | CF@45=113.79 W/m²/mV | Eppley | PSP | Precision Spectral Pyranometer | NREL/Program | 9.91 sheet/tg | 04/11/1985 | [25822F3_Eppley_PSP.2deg.txt] | [25822F3_Eppley_PSP.9deg.txt] | [25822F3_Eppley_PSP.coef.txt] | | | Tom Stoffel | Borcal 2005-01 | | Valid Incident angle range for RS@45: 30-60 | | 06/02/2005 | | | | | |
| 4 | 25822F3 | SRRL/2007-01 | 06/08/2007 | 06/08/2008 | RS@45=8.7199 µV/W/m² ; +3.81/-6.04% ; N=13 ; I:30-60 | 8.6520 µV/W/m² ; ±3.34% | 8.7874 µV/W/m² ; +2.77/-16.53% | CF@45=114.68 W/m²/mV | Eppley | PSP | Precision Spectral Pyranometer | NREL/Program | 9.91 sheet/tg | 04/11/1985 | [25822F3_Eppley_PSP.2deg.txt] | [25822F3_Eppley_PSP.9deg.txt] | [25822F3_Eppley_PSP.coef.txt] | [25822F3_Eppley_PSP.lato.txt] | | Tom Stoffel | BORCAL 2007-01 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 |
| 5 | 25822F3 | SRRL/2009-01 | 05/27/2009 | 05/27/2010 | RS@45=8.6697 µV/W/m² ; +3.63/-5.82% ; N=12 ; I:30-60 | 8.6079 µV/W/m² ; ±3.34% | 8.7044 µV/W/m² ; +2.40/-13.13% | CF@45=115.34 W/m²/mV | Eppley | PSP | Precision Spectral Pyranometer | NREL/Program | 9.91 sheet/tg | 04/11/1985 | [25822F3_Eppley_PSP.2deg.txt] | [25822F3_Eppley_PSP.9deg.txt] | [25822F3_Eppley_PSP.coef.txt] | [25822F3_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 |
| 6 | 25822F3 | SRRL/2011-02 | 05/05/2011 | 05/05/2012 | R@45=8.6358 µV/W/m² ; +3.49/-7.53% ; N=12 ; Z:30-60 | n/a | n/a | CF@45=115.80 W/m²/mV | Eppley | PSP | Precision Spectral Pyranometer | NREL/Program | 9.91 sheet/tg | 04/11/1985 | [25822F3_Eppley_PSP.2deg.txt] | | [25822F3_Eppley_PSP.coef.txt] | [25822F3_Eppley_PSP.lato.txt] | | Tom Stoffel | BORCAL 2011-02 Certificates | | | | 05/26/2011 | R@45=8.6358 µV/W/m² ; +3.49/-7.53% ; N=12 ; Z:30-60 | CF@45=115.80 W/m²/mV | n/a | n/a | None ; Rnet=0.0 |