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: 51.32 Site Name: Bighorn Basin, Wyoming Site ID: G04 No. of Ancillary Data Records: 14 GMT Roll Angle 1994/276:13:28:35.0 26.14 1994/276:13:28:41.9 26.15 1994/276:13:28:48.7 26.12 1994/276:13:28:55.6 26.12 1994/276:13:29:02.5 26.12 1994/276:13:29:09.4 26.11 1994/276:13:29:16.3 26.12 1994/276:13:29:23.2 26.12 1994/276:13:29:30.0 26.12 1994/276:13:29:36.9 26.11 1994/276:13:29:43.8 26.13 1994/276:13:29:50.7 26.13 1994/276:13:29:57.6 26.11 1994/276:13:30:04.5 26.11