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: 175.31 Site Name: Thetford, England Site ID: E66 No. of Ancillary Data Records: 12 GMT Roll Angle 1994/284:04:47:38.0 26.10 1994/284:04:47:44.8 26.11 1994/284:04:47:51.7 26.11 1994/284:04:47:58.6 26.13 1994/284:04:48:05.5 26.13 1994/284:04:48:12.3 26.13 1994/284:04:48:19.2 26.14 1994/284:04:48:26.1 26.15 1994/284:04:48:32.9 26.15 1994/284:04:48:39.8 26.15 1994/284:04:48:46.7 26.15 1994/284:04:48:53.6 26.15