| 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 | 17837E6 | Eppley | | | 8.28 | | | | Eppley | NIP | Normal Incidence Pyrheliometer | NREL/Program | 8.28 tg | | | | | | | Tom Kirk | | | | | | | | | | |
| 2 | 17837E6 | NREL/98-05 | 09/03/1998 | 09/03/1999 | Rs=8.310 uV/W/sqm | | | | Eppley | NIP | Normal Incidence Pyrheliometer | NREL/Program | 8.28 tg | | | | | | | Tom Stoffel | Borcal98-05 | | Cf=120.34 W/sqm/mV =/-2.4% | | 11/01/2000 | | | | | |
| 3 | 17837E6 | SRRL/2001-05 | 09/04/2001 | 09/04/2002 | INVALID RS@45=8.3067 µV/W/m² ; +23.92/-1.40% ; N=16 | n/a ; n/a | 8.3307 µV/W/m² ; +24.77/-1.58% | CF@45=120.39 W/m²/mV | Eppley | NIP | Normal Incidence Pyrheliometer | NREL/Program | 8.28 tg | | [17837E6_Eppley_NIP.2deg.txt] | | | | | Tom Stoffel | Borcal 2001-05 | | Valid Zenith angle range for RS@45: 32-59 | Revised Responsivities | | | | | | |
| 4 | 17837E6 | SRRL/2002-02 | 06/06/2002 | 06/06/2003 | RS@45=8.2804 µV/W/m² ; +0.94/-0.87% ; N=12 | n/a ; n/a | 8.2990 µV/W/m² ; +1.47/-1.21% | CF@45=120.77 W/m²/mV | Eppley | NIP | Normal Incidence Pyrheliometer | NREL/Program | 8.28 tg | | [17837E6_Eppley_NIP.2deg.txt] | | | | | Tom Stoffel | Borcal 2002-02 | | Valid Zenith angle range for RS@45: 30-60 | Responsivities Revised 10-20-2003 | 07/25/2002 | | | | | |
| 5 | 17837E6 | SRRL/2005-01 | 05/19/2005 | 05/19/2006 | RS@45=8.2825 µV/W/m² ; +1.42/-1.10% ; N=10 | n/a ; n/a | 8.3065 µV/W/m² ; +1.61/-1.37% | CF@45=120.74 W/m²/mV | Eppley | NIP | Normal Incidence Pyrheliometer | NREL/Program | 8.28 tg | | [17837E6_Eppley_NIP.2deg.txt] | | | | | Tom Stoffel | Borcal 2005-01 | | Valid Zenith angle range for RS@45: 30-60 | | 06/02/2005 | | | | | |
| 6 | 17837E6 | SRRL/2007-01 | 06/08/2007 | 06/08/2008 | RS@45=8.3151 µV/W/m² ; +1.32/-1.05% ; N=13 ; Z:30-60 | n/a ; n/a | 8.3293 µV/W/m² ; +1.51/-1.08% | CF@45=120.26 W/m²/mV | Eppley | NIP | Normal Incidence Pyrheliometer | NREL/Program | 8.28 tg | | [17837E6_Eppley_NIP.2deg.txt] | | | | | Tom Stoffel | BORCAL 2007-01 Certificates | | | | 06/28/2007 | n/a ; n/a ; n/a ; Z:n/a | n/a | n/a ; n/a | n/a ; n/a | None ; Estimated thermal offset error = unspecified |
| 7 | 17837E6 | SRRL/2009-01 | 05/27/2009 | 05/27/2010 | RS@45=8.2944 µV/W/m² ; +1.58/-0.91% ; N=12 ; Z:30-60 | n/a ; n/a | 8.3092 µV/W/m² ; +1.29/-1.21% | CF@45=120.56 W/m²/mV | Eppley | NIP | Normal Incidence Pyrheliometer | NREL/Program | 8.28 tg | | [17837E6_Eppley_NIP.2deg.txt] | | | | | Tom Stoffel | BORCAL 2009-01 Certificates | | | | 07/22/2009 | n/a ; n/a ; n/a ; Z:n/a | n/a | n/a ; n/a | n/a ; n/a | None ; Estimated thermal offset error = unspecified |
| 8 | 17837E6 | SRRL/2011-02 | 05/05/2011 | 05/05/2012 | R@45=8.2821 µV/W/m² ; +1.07/-1.12% ; N=11 ; Z:30-60 | n/a | n/a | CF@45=120.74 W/m²/mV | Eppley | NIP | Normal Incidence Pyrheliometer | NREL/Program | 8.28 tg | | [17837E6_Eppley_NIP.2deg.txt] | | | | | Tom Stoffel | BORCAL 2011-02 Certificates | | | | 05/26/2011 | R@45=8.2821 µV/W/m² ; +1.07/-1.12% ; N=11 ; Z:30-60 | CF@45=120.74 W/m²/mV | n/a | n/a | None ; Rnet=0.0 |