ROLL.TXT: ROLL ANGLE ANCILLARY DATA FILE This file contains roll angle estimates history as derived from SIR-C null tracking algorithms developed by J. C. Curlander, et al. GMT is expressed as (YYYY/ddd:hh:mm:ss.s). Roll angles are expressed in degrees. 1 2 3 4 5 6 7 1234567890123456789012345678901234567890123456789012345678901234567890123456 Data Take ID: 141.30 Site Name: Beijing, China Site ID: G85 No. of Ancillary Data Records: 36 GMT Roll Angle 1994/108:02:38:08.0 25.97 1994/108:02:38:14.9 25.96 1994/108:02:38:21.7 25.96 1994/108:02:38:28.6 25.96 1994/108:02:38:35.5 25.96 1994/108:02:38:42.4 25.97 1994/108:02:38:49.2 25.98 1994/108:02:38:56.1 25.99 1994/108:02:39:03.0 26.01 1994/108:02:39:09.9 26.02 1994/108:02:39:16.8 26.03 1994/108:02:39:23.6 26.01 1994/108:02:39:30.5 26.00 1994/108:02:39:37.4 25.99 1994/108:02:39:44.3 25.99 1994/108:02:39:51.1 25.98 1994/108:02:39:58.0 25.98 1994/108:02:40:04.9 25.98 1994/108:02:40:11.8 25.98 1994/108:02:40:18.7 25.99 1994/108:02:40:25.5 26.00 1994/108:02:40:32.4 26.01 1994/108:02:40:39.3 26.02 1994/108:02:40:46.2 26.02 1994/108:02:40:53.0 26.00 1994/108:02:40:59.9 25.98 1994/108:02:41:06.8 25.97 1994/108:02:41:13.7 25.96 1994/108:02:41:20.6 25.95 1994/108:02:41:27.4 25.95 1994/108:02:41:34.3 25.94 1994/108:02:41:41.2 25.95 1994/108:02:41:48.1 25.95 1994/108:02:41:54.9 25.96 1994/108:02:42:01.8 25.96 1994/108:02:42:08.7 25.97