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: 129.20 Site Name: Duke Forest, North Carolina Site ID: ES5 No. of Ancillary Data Records: 20 GMT Roll Angle 1994/107:08:35:11.0 26.13 1994/107:08:35:17.9 26.13 1994/107:08:35:24.7 26.14 1994/107:08:35:31.6 26.14 1994/107:08:35:38.5 26.14 1994/107:08:35:45.3 26.13 1994/107:08:35:52.2 26.11 1994/107:08:35:59.1 26.11 1994/107:08:36:05.9 26.10 1994/107:08:36:12.8 26.09 1994/107:08:36:19.7 26.09 1994/107:08:36:26.6 26.08 1994/107:08:36:33.4 26.07 1994/107:08:36:40.3 26.07 1994/107:08:36:47.2 26.07 1994/107:08:36:54.0 26.07 1994/107:08:37:00.9 26.07 1994/107:08:37:07.8 26.07 1994/107:08:37:14.6 26.07 1994/107:08:37:21.5 26.08