| R# | Site | Serial Number | Measurement | Start Date | Start Time | End Date | End Time | Data Quality Statement |
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| 26 | BMS | 010548 | Downwelling CG4 | 01/11/2006 | 14:17:00 | 01/31/2006 | 23:59:00 | The CG4 was using miscalculated K-factors, during this time frame the downwelling irradiance could be off by about +/-10 W/m2. The incorrect factors were: K0=-3.37; K1=0.081; K2=1.01. The correct factors should have been: K0=-3.37; K1=0.0765; K2=1.008. |
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| 27 | BMS | 010548 | Downwelling CG4 | 11/05/2005 | 06:37:00 | 11/07/2005 | 09:19:00 | Sci-Tec Tracker #2 was down due to a power outage on 11/4/2005 at 23:14 MST. Tracker failed to automatically reposition when power was restored on 11/5/2005 at 5:02 MST, due to failed internal battery. The following instruments were UNSHADED: Diffuse CM22, Diffuse UVB-1 and the CG4. The AOCS was not pointing at the SUN. |
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| 28 | BMS | 010548 | Downwelling CG4 | 07/23/2005 | 10:16:00 | 07/25/2005 | 07:07:00 | Sci-Tec Tracker #2 rotated the wrong direction and hung up on the signal cables, due to a scheduled NREL power outage on 7/23/2005 at 5:33 MST. The following instruments were UNSHADED: Diffuse CM22, Diffuse UVB-1 and the CG4. |
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| 29 | BMS | 010548 | Downwelling CG4 | 07/10/2005 | 05:56:00 | 07/11/2005 | 08:00:00 | Sci-Tec Tracker #2 rotated the wrong direction and hung up on the signal cables, due to a momenatary power loss. The following instruments were UNSHADED: Diffuse CM22, Diffuse UVB-1 and the CG4. |
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| 30 | BMS | | Downwelling CG4 | 01/07/2002 | 11:25:00 | 03/14/2002 | 09:21:00 | Due to a shortage of diffuse trackers the CG4 had to be removed from service temporarily, to allow for another instrument to be calibrated under the shading ball. The Net Infrared, Downwelling Infrared, and Case Temperature for the CG4 have been forced to read zero to indicate that it's out of service. |
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