MIDC/Data Quality Statements
Total Records: 28, displaying 1-25
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R#SiteSerial NumberMeasurementStart DateStart TimeEnd DateEnd TimeData Quality Statement
1BMSDiffuse 8-4802/11/202406:01:0002/11/202413:27:00Snow was built-up around the pyranometer dome creating very high diffuse irradiance. However data was substituded with the CM22-1 which was free of snow.
2BMSDiffuse 8-4809/29/202312:40:0009/29/202313:55:00Due to an NREL-wide power outage caused by Xcel Energy, The following BMS instruments were not pointing at the sun during this time: Direct CHP-1, sNIP, CUVA2, CUVB2, TUVR; and the following instruments were un-shaded: Diffuse 8-48, CM22-2, PIR. 8-48 Data was corrected on 10/5/2023 by subsituting Diffuse with calibrated RSR Diffuse (calibrated by BMS for the 2 hours prior), then re-calculating Direct using BMS Global CMP22 and calibrated RSR Diffuse.
3BMSDiffuse 8-4808/22/202313:24:0008/22/202315:46:00Due to BMS south sci-tec failure, The following BMS instruments were not pointing at the sun during this time: Direct CHP-1, sNIP, MS-57, CUVA2, CUVB2, TUVR; and the following instruments were un-shaded: Diffuse 8-48, CM22-2, PIR. However automatic substitution was enabled for the CHP1-1, sNIP, 8-48, and CM22-2.
4BMSDiffuse 8-4808/21/202205:21:0008/21/202211:15:00Due to BMS south sci-tec failure, The following BMS instruments were not pointing at the sun during this time: Direct CHP-1, sNIP, CUVA2, CUVB2, TUVR; and the following instruments were un-shaded: Diffuse 8-48, CM22-2, PIR. Since the middle sci-tec was down (due to collision with south scitec); data was corrected on 9/14/2022 by subsituting Diffuse 8-48 and CM22-2 with RSR Diffuse, then recalating Direct CHP1-1 and sNIP using BMS Global CMP22 and RSR Diffuse.
5BMSDiffuse 8-4808/20/202211:56:0008/20/202223:59:00Due to BMS south sci-tec failure, The following BMS instruments were not pointing at the sun during this time: Direct CHP-1, sNIP, CUVA2, CUVB2, TUVR; and the following instruments were un-shaded: Diffuse 8-48, CM22-2, PIR. However automatic substitution was enabled for the CHP1-1, 8-48, and CM22-2.
6BMSDiffuse 8-4806/22/202216:53:0006/23/202207:17:00Due to BMS south sci-tec failure, The following BMS instruments were not pointing at the sun during this time: Direct CHP-1, sNIP, CUVA2, CUVB2, TUVR; and the following instruments were un-shaded: Diffuse 8-48, CM22-2, PIR. However automatic data substitution was enable for the CHP1-1, 8-48, and CM22-2.
7BMSDiffuse 8-4805/13/202011:58:0012/15/202119:31:00DATA CORRECTED on 12/17/2021: Irradiances were increased by 0.675% due to revised BORCAL report for all BMS shortwave radiometers calibrated in 2020 and 2021.
8BMSDiffuse 8-4812/28/201311:55:0012/28/201315:59:00Due to a scheduled NREL power outage, to upgrade campus electrical infrastructure, The following BMS instruments were not pointing at the sun during this time: Direct CH1, NIP #2, CUVA2, CUVB2, TUVR; and the following instruments were un-shaded: Diffuse 8-48, PSP, PIR. The South Sci-Tec tracker for these instruments are protected by UPS, however the battery depleted at 11:55 MST (the power outage started at 6:46 MST)
9BMSDiffuse 8-4812/21/201310:30:0012/21/201316:22:00Due to a scheduled NREL power outage, to upgrade campus electrical infrastructure, The following BMS instruments were not pointing at the sun during this time: Direct CH1, NIP #2, CUVA2, CUVB2, TUVR; and the following instruments were un-shaded: Diffuse 8-48, PSP, PIR. The South Sci-Tec tracker for these instruments are protected by UPS, however the battery depleted at 10:30 MST (the power outage started at 7:00 MST). Data for the Direct 8-48 was replaced with data calculated from the SRRL BMS Global CM22 and the SRRL Irradiance Inc RSR Direct Normal on 5/14/2014.
10BMSDiffuse 8-4809/06/201314:13:0009/06/201315:00:00SRRL BMS ventilators were cleaned on Sept 6, 2013. Due to prolonged un-shading of the Diffuse 8-48 and PSP, the data from 14:13 through 15:00 MST was corrected using data from the Diffuse CM22.
11BMSDiffuse 8-4803/02/201313:06:0003/02/201318:24:00Due to a scheduled NREL power outage, to upgrade campus power capacity, The following BMS instruments were not pointing at the sun during this time: Direct CH1, NIP #2, NIP #1, LI-201, NIP RG780, CUVA2, CUVB2, TWC; and the following instruments were un-shaded: Diffuse 8-48, PSP, CM22, CUV4, PIR, CG4. The Sci-Tec tracker for these instruments are protected by UPS, however the battery depleted at 13:06 MST (the power outage started at 8:06 MST). Data for the 8-48 was reconstructed on March 5, using the diffuse measurement from the SRRL RSR2, which uses a LICOR LI-200 s/n PY69225.
12BMSDiffuse 8-4805/07/201105:55:0005/09/201107:58:00There was a planned power outage for SRRL construction activities that started at 5:18 MST. Unfortunately, the backup generator provided to SRRL was providing bad power to the UPS powering the Sci-Tec trackers, therefore the UPS failed at 5:55 MST. Unfortunately, when normal AC power was restored at 11:45 MST, the Sci-Tec trackers had lost all their configuration due to UPS cycling on and off during the outage, therefore were not tracking. The tracker settings were restored on May 9 at 7:58 MST. The SRRL BMS Diffuse was not shaded during this time, however data for the 8-48 was reconstructed on May 16, using the diffuse measurement from the SRRL RSR2, which uses a LICOR LI-200 s/n PY69225.
13BMSDiffuse 8-4805/27/201018:00:0005/28/201012:15:00Due to improper mounting of the replacement CH1 s/n 080033 the Sci-tec tracker was not tracking properly due to collision with the CH1 against tracker. The following BMS instruments were not pointing at the sun: Direct CH1, NIP2, CUVA2, & CUVB2 and the following instruments were unshaded: 8-48, PSP, PIR. The data was later corrected on June 30, 2011, by replacing the 8-48 data with the BMS Diffuse CM22 during this time.
14BMS32331Diffuse 8-4802/25/201010:50:0002/25/201011:04:00The 8-48 signal was reading low due to intermittent signal cable problem between patch panel and multiplexer. The 8-48 channel was relocated from J-Box Ch. 3-0 (Mux Ch. 18) to J-Box Ch. 3-3 (Mux Ch. 21). This should solve the problem permanently.
15BMS32331Diffuse 8-4802/20/201008:48:0002/22/201008:49:00The 8-48 signal is reading very low or negative due to unknown signal cable problem between patch panel and multiplexer. The data was later corrected on June 30, 2011, by replacing the 8-48 data with the BMS Diffuse CM22 during this time.
16BMS32331Diffuse 8-4802/14/201000:00:0002/16/201008:10:00The 8-48 signal is reading very low on Feb. 14 and negative on the days that follow. A screw was tightened on the multiplexer. The data was later corrected on June 30, 2011, by replacing the 8-48 data with the BMS Diffuse CM22 during this time.
17BMS32331Diffuse 8-4812/15/200909:10:0012/15/200910:20:00The 8-48 signal has a -30 W/m^2 bias. A screw in patch panel was tightened.
18BMS32331Diffuse 8-4812/10/200908:30:0012/10/200916:30:00The 8-48 signal has a -20 W/m^2 bias. A screw was tightened.
19BMSDiffuse 8-4812/09/200912:11:0012/09/200914:22:00Due to a power outage at NREL, followed by bad power, the SRRL tracker UPS shutdown. The following BMS instruments were not pointing at the sun: Direct CH1, NIP1, NIP2, NIP-RG780, LI201, TWC500, CUV4; and the following instruments were unshaded: 8-48, CM22, PSP, CUV4, PIR, CG4.
20BMS32331Diffuse 8-4810/21/200908:48:0010/22/200909:30:00The 8-48 signal has a -38 W/m^2 bias. A screw was tightened.
21BMSDiffuse 8-4811/15/200814:02:0011/15/200814:32:00Due to a planned power outage at SRRL, the following BMS instruments were unshaded: Diffuse 8-48, CM22, PSP, CUV4, DW-PIR, DW-CG4.
22BMS32331Diffuse 8-4807/07/200700:00:0007/09/200707:00:00The SRRL BMS Sci-Tec Tracker #1 shading arm was bent out of position. The 8-48 was partially unshaded during this time.
23BMS32331Diffuse 8-4805/25/200610:50:0005/25/200611:10:00Sci-Tec tracker #1 tracker was down due to power shutdown for installation of new SRRL equipment lift. The following instruments were UNSHADED: Diffuse 8-48, Diffuse PSP, and the Downwelling PIR.
24BMS32331Diffuse 8-4807/23/200510:16:0007/23/200517:22:00Sci-Tec tracker #1 was down due to a scheduled NREL power outage on 7/23/2005 at 5:33 MST. The following instruments were UNSHADED: Diffuse 8-48, Diffuse PSP, and the Downwelling PIR.
25BMS32331Diffuse 8-4807/10/200509:30:0007/10/200523:59:00The SRRL BMS Sci-Tec Tracker #1 was hung up on cables during this time. The following instruments were UNSHADED: Diffuse 8-48, Diffuse PSP and the PIR.