Periods of Vertical Pointing

S-Pol IMPROVE Westhaven Washington, 2001

Aperiodically, the S-Pol radar is pointed vertically for purposes of data quality control. Vertical pointing allows estimation of any bias in Zdr, and provides insight to the correctness of other radar parameters.

The following is a tabulation of all periods of vertical pointing for S-pol in IMPROVE (times are UTC, and are approximate):

03-Jan-2001  22:16  to  22:18
04-Jan-2001  22:33  to  22:36
08-Jan-2001  16:45  to  16:49
09-Jan-2001  22:32  to  22:36
10-Jan-2001  16:26  to  16:29
19-Jan-2001  01:18  to  01:26
21-Jan-2001  02:16  to  02:22
30-Jan-2001  16:14  to  16:22
02-Feb-2001  04:58  to  05:04
04-Feb-2001  03:41  to  03:49
08-Feb-2001  16:01  to  16:08
10-Feb-2001  19:59  to  20:05