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: 63.20 Site Name: North Sea A1 Site ID: NBB No. of Ancillary Data Records: 19 GMT Roll Angle 1994/103:07:06:45.0 206.11 1994/103:07:06:51.9 206.11 1994/103:07:06:58.8 206.11 1994/103:07:07:05.7 206.12 1994/103:07:07:12.6 206.12 1994/103:07:07:19.5 206.13 1994/103:07:07:26.4 206.14 1994/103:07:07:33.2 206.13 1994/103:07:07:40.1 206.11 1994/103:07:07:47.0 206.09 1994/103:07:07:53.9 206.08 1994/103:07:08:00.8 206.07 1994/103:07:08:07.7 206.06 1994/103:07:08:14.6 206.06 1994/103:07:08:21.5 206.05 1994/103:07:08:28.4 206.05 1994/103:07:08:35.3 206.05 1994/103:07:08:42.2 206.05 1994/103:07:08:49.1 206.06