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: 29.20 Site Name: Matera, Italy Site ID: CB1 No. of Ancillary Data Records: 15 GMT Roll Angle 1994/101:04:41:32.0 206.02 1994/101:04:41:38.9 206.02 1994/101:04:41:45.8 206.03 1994/101:04:41:52.7 206.04 1994/101:04:41:59.6 206.03 1994/101:04:42:06.5 206.03 1994/101:04:42:13.4 206.04 1994/101:04:42:20.3 206.06 1994/101:04:42:27.2 206.07 1994/101:04:42:34.0 206.09 1994/101:04:42:40.9 206.07 1994/101:04:42:47.8 206.06 1994/101:04:42:54.7 206.06 1994/101:04:43:01.6 206.05 1994/101:04:43:08.5 206.04