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: 65.00 Site Name: Chimalapas, Mexico Site ID: E13 No. of Ancillary Data Records: 34 GMT Roll Angle 1994/277:09:59:52.0 206.05 1994/277:09:59:58.8 206.07 1994/277:10:00:05.7 206.08 1994/277:10:00:12.6 206.06 1994/277:10:00:19.4 206.05 1994/277:10:00:26.3 206.04 1994/277:10:00:33.2 206.02 1994/277:10:00:40.0 206.01 1994/277:10:00:46.9 206.01 1994/277:10:00:53.7 206.00 1994/277:10:01:00.6 206.00 1994/277:10:01:07.5 206.00 1994/277:10:01:14.3 206.00 1994/277:10:01:21.2 206.01 1994/277:10:01:28.1 206.01 1994/277:10:01:34.9 206.03 1994/277:10:01:41.8 206.04 1994/277:10:01:48.7 206.05 1994/277:10:01:55.5 206.07 1994/277:10:02:02.4 206.08 1994/277:10:02:09.2 206.09 1994/277:10:02:16.1 206.07 1994/277:10:02:23.0 206.07 1994/277:10:02:29.8 206.06 1994/277:10:02:36.7 206.06 1994/277:10:02:43.6 206.06 1994/277:10:02:50.4 206.06 1994/277:10:02:57.3 206.05 1994/277:10:03:04.2 206.03 1994/277:10:03:11.0 206.03 1994/277:10:03:17.9 206.01 1994/277:10:03:24.7 206.01 1994/277:10:03:31.6 206.00 1994/277:10:03:38.5 206.01