| 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 | 19621F3 | NREL/98-01 | 05/14/1998 | 05/14/2009 | Rs=7.942 uV/W/sqm | | | | Eppley | PSP | Precision Spectral Pyranometer | NREL/Program | 8.30 sheet | 08/27/1991 | | | | | | Tom Stoffel | Borcal98-01 | | Cf=125.91 W/sqm/mV +/-2.5% | | | | | | | |
| 2 | 19621F3 | SRRL/2005-01 | 05/19/2005 | 05/19/2006 | RS@45=7.7301 µV/W/m² ; +1.99/-2.79% ; N=10 | 7.7104 µV/W/m² ; ±1.74% | 7.7980 µV/W/m² ; +2.07/-16.02% | CF@45=129.37 W/m²/mV | Eppley | PSP | Precision Spectral Pyranometer | NREL/Program | 8.30 sheet | 08/27/1991 | [19621F3_Eppley_PSP.2deg.txt] | [19621F3_Eppley_PSP.9deg.txt] | [19621F3_Eppley_PSP.coef.txt] | | | Tom Stoffel | Borcal 2005-01 | | Valid Incident angle range for RS@45: 30-60 | | | | | | | |
| 3 | 19621F3 | SRRL/2009-02 | 06/26/2009 | 06/26/2010 | RS@45=7.7544 µV/W/m² ; +2.26/-2.61% ; N=14 ; I:30-60 | 7.7183 µV/W/m² ; ±1.45% | 7.8241 µV/W/m² ; +1.85/-12.31% | CF@45=128.96 W/m²/mV | Eppley | PSP | Precision Spectral Pyranometer | NREL/Program | 8.30 sheet | 08/27/1991 | [19621F3_Eppley_PSP.2deg.txt] | [19621F3_Eppley_PSP.9deg.txt] | [19621F3_Eppley_PSP.coef.txt] | [19621F3_Eppley_PSP.lato.txt] | | Tom Stoffel | BORCAL 2009-02 Certificates | | | | 07/24/2009 | 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 |
| 4 | 19621F3 | SRRL/2011-02 | 05/05/2011 | 05/05/2012 | R@45=7.6528 µV/W/m² ; +2.38/-2.57% ; N=12 ; Z:30-60 | n/a | n/a | CF@45=130.67 W/m²/mV | Eppley | PSP | Precision Spectral Pyranometer | NREL/Program | 8.30 sheet | 08/27/1991 | [19621F3_Eppley_PSP.2deg.txt] | | [19621F3_Eppley_PSP.coef.txt] | [19621F3_Eppley_PSP.lato.txt] | | Tom Stoffel | BORCAL 2011-02 Certificates | | | | 06/09/2011 | R@45=7.6528 µV/W/m² ; +2.38/-2.57% ; N=12 ; Z:30-60 | CF@45=130.67 W/m²/mV | n/a | n/a | None ; Rnet=0.0 |