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: 82.42 Site Name: Sudan A4 Site ID: G56 No. of Ancillary Data Records: 22 GMT Roll Angle 1994/278:11:45:54.0 206.04 1994/278:11:46:00.8 206.01 1994/278:11:46:07.7 205.99 1994/278:11:46:14.6 205.98 1994/278:11:46:21.4 205.97 1994/278:11:46:28.3 205.97 1994/278:11:46:35.2 205.95 1994/278:11:46:42.0 205.94 1994/278:11:46:48.9 205.93 1994/278:11:46:55.8 205.93 1994/278:11:47:02.6 205.94 1994/278:11:47:09.5 205.95 1994/278:11:47:16.4 205.94 1994/278:11:47:23.2 205.95 1994/278:11:47:30.1 205.96 1994/278:11:47:37.0 205.97 1994/278:11:47:43.8 205.98 1994/278:11:47:50.7 206.01 1994/278:11:47:57.6 206.03 1994/278:11:48:04.4 206.06 1994/278:11:48:11.3 206.06 1994/278:11:48:18.2 206.07