DQR ID | Subject | Data Streams Affected |
---|---|---|
D050923.1 | PYE/SKYRAD/M1 - IRT bias | pyeskyrad60sM1.b1 |
D070529.3 | FKB/SKYRAD/M1 - IRT bias | fkbskyrad60sM1.b1 |
D990915.210 | SHB/SKYRAD/C1 - PIR Diffuse Frosting | shbskyrad60sC1.a1, shbskyrad60sC1.b1 |
D990915.230 | ||
D990915.232 | SHB/SKYRAD/C1 - PIR Global Frosting | shbskyrad60sC1.a1, shbskyrad60sC1.b1 |
D990915.251 | ||
D990915.292 | SHB/SKYRAD/C1 - SKYRAD UVB Frosting | shbskyrad60sC1.a1, shbskyrad60sC1.b1 |
D990915.330 |
Start Date | Start Time | End Date | End Time |
---|---|---|---|
09/03/2005 | 0200 | 09/14/2005 | 2359 |
Subject: | PYE/SKYRAD/M1 - IRT bias |
DataStreams: | pyeskyrad60sM1.b1 |
Description: | The SKYRAD IRT measured lower sky temperatures than the AERI. This may have been due to a dirty mirror or lens. |
Measurements: | pyeskyrad60sM1.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
03/15/2007 | 0000 | 12/31/2007 | 2359 |
Subject: | FKB/SKYRAD/M1 - IRT bias |
DataStreams: | fkbskyrad60sM1.b1 |
Description: | On several days (especially in April, September, and December), the sky temperature measurement from the IRT exhibited a positive bias from the AERI measurement from about 20:00 to 07:00. This diurnal variation is highly correlated with the measurement of relative humidity so was most-likely due to the contribution of the temperature of water vapor, fog, and/or condensation on the lens and/or mirror. |
Measurements: | fkbskyrad60sM1.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
10/22/1997 | 0000 | 10/23/1997 | 1820 |
10/24/1997 | 1640 | 10/28/1997 | 1930 |
11/08/1997 | 1900 | 11/09/1997 | 1558 |
11/13/1997 | 1755 | 11/14/1997 | 1925 |
11/15/1997 | 1815 | 11/17/1997 | 2210 |
11/23/1997 | 1815 | 11/26/1997 | 0040 |
11/29/1997 | 2257 | 11/30/1997 | 2251 |
04/18/1998 | 1838 | 04/19/1998 | 1838 |
05/12/1998 | 2128 | 05/14/1998 | 0001 |
09/29/1998 | 0428 | 09/30/1998 | 1920 |
Subject: | SHB/SKYRAD/C1 - PIR Diffuse Frosting |
DataStreams: | shbskyrad60sC1.a1, shbskyrad60sC1.b1 |
Description: | Frosting on dome observed and removed. Exact time of occurrence is unknown so last known time of confirmed clean dome was used as start time of this problem. |
Measurements: | shbskyrad60sC1.b1:
shbskyrad60sC1.a1:
|
Start Date | Start Time | End Date | End Time |
---|
Subject: | |
DataStreams: | |
Description: | |
Measurements: |
Start Date | Start Time | End Date | End Time |
---|---|---|---|
10/22/1997 | 1001 | 10/27/1997 | 1830 |
11/08/1997 | 1900 | 11/09/1997 | 1558 |
11/11/1997 | 1800 | 11/12/1997 | 1815 |
11/13/1997 | 1755 | 11/14/1997 | 1925 |
11/15/1997 | 1815 | 11/17/1997 | 2210 |
11/23/1997 | 1815 | 11/26/1997 | 0040 |
01/28/1998 | 2014 | 01/30/1998 | 0548 |
03/19/1998 | 1900 | 03/20/1998 | 1949 |
04/18/1998 | 2201 | 04/19/1998 | 1838 |
08/15/1998 | 0009 | 08/15/1998 | 2301 |
09/10/1998 | 0410 | 09/10/1998 | 1959 |
09/29/1998 | 2222 | 09/30/1998 | 1859 |
Subject: | SHB/SKYRAD/C1 - PIR Global Frosting |
DataStreams: | shbskyrad60sC1.a1, shbskyrad60sC1.b1 |
Description: | Frosting on dome observed and removed. Exact time of occurrence is unknown so last known time of confirmed clean dome was used as start time of this problem. |
Measurements: | shbskyrad60sC1.b1:
shbskyrad60sC1.a1:
|
Start Date | Start Time | End Date | End Time |
---|
Subject: | |
DataStreams: | |
Description: | |
Measurements: |
Start Date | Start Time | End Date | End Time |
---|---|---|---|
10/22/1997 | 0000 | 10/26/1997 | 1840 |
10/27/1997 | 1830 | 10/28/1997 | 1930 |
10/30/1997 | 1753 | 11/02/1997 | 1620 |
02/18/1998 | 0037 | 02/18/1998 | 2030 |
02/22/1998 | 1909 | 02/23/1998 | 1811 |
02/24/1998 | 2200 | 02/25/1998 | 1821 |
03/03/1998 | 0400 | 03/08/1998 | 1743 |
03/09/1998 | 1855 | 03/18/1998 | 1940 |
03/19/1998 | 1900 | 03/20/1998 | 1949 |
03/21/1998 | 2200 | 03/22/1998 | 1919 |
03/23/1998 | 1851 | 03/25/1998 | 1858 |
03/29/1998 | 2315 | 04/08/1998 | 2357 |
04/15/1998 | 0338 | 04/15/1998 | 2300 |
04/16/1998 | 1908 | 04/17/1998 | 1530 |
04/17/1998 | 2300 | 04/18/1998 | 0100 |
04/18/1998 | 0200 | 04/23/1998 | 1905 |
04/24/1998 | 0053 | 04/26/1998 | 1928 |
04/27/1998 | 1930 | 04/29/1998 | 2235 |
04/30/1998 | 1928 | 05/01/1998 | 1933 |
05/05/1998 | 1942 | 05/06/1998 | 1730 |
05/08/1998 | 0315 | 05/10/1998 | 1925 |
05/11/1998 | 1850 | 05/14/1998 | 0001 |
05/16/1998 | 2317 | 05/19/1998 | 2155 |
05/20/1998 | 2101 | 05/21/1998 | 2245 |
05/23/1998 | 0005 | 05/23/1998 | 1215 |
05/26/1998 | 1910 | 05/28/1998 | 2004 |
05/29/1998 | 2344 | 05/30/1998 | 1936 |
06/01/1998 | 0604 | 06/01/1998 | 1922 |
06/09/1998 | 2330 | 06/10/1998 | 2323 |
06/17/1998 | 2321 | 06/19/1998 | 2326 |
06/23/1998 | 2350 | 06/25/1998 | 0032 |
07/29/1998 | 0029 | 08/03/1998 | 2308 |
08/04/1998 | 2109 | 08/07/1998 | 0211 |
08/08/1998 | 2052 | 08/09/1998 | 1912 |
08/13/1998 | 0512 | 08/14/1998 | 0413 |
08/15/1998 | 0009 | 08/16/1998 | 2243 |
08/26/1998 | 1019 | 09/02/1998 | 0030 |
09/03/1998 | 0021 | 09/30/1998 | 1859 |
Subject: | SHB/SKYRAD/C1 - SKYRAD UVB Frosting |
DataStreams: | shbskyrad60sC1.a1, shbskyrad60sC1.b1 |
Description: | Frost was found on the dome at the end of the time periods indicated. The exact starting time is unknown so the time of last confirmed clean dome has been used. |
Measurements: | shbskyrad60sC1.b1:
shbskyrad60sC1.a1:
|
Start Date | Start Time | End Date | End Time |
---|
Subject: | |
DataStreams: | |
Description: | |
Measurements: |