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: 55.30 Site Name: Bighorn Basin, Wyoming Site ID: G04 No. of Ancillary Data Records: 17 GMT Roll Angle 1994/276:19:38:49.0 26.10 1994/276:19:38:55.9 26.10 1994/276:19:39:02.7 26.08 1994/276:19:39:09.6 26.06 1994/276:19:39:16.5 26.04 1994/276:19:39:23.4 26.01 1994/276:19:39:30.3 26.01 1994/276:19:39:37.2 25.99 1994/276:19:39:44.1 25.98 1994/276:19:39:50.9 25.98 1994/276:19:39:57.8 25.95 1994/276:19:40:04.7 25.96 1994/276:19:40:11.6 25.97 1994/276:19:40:18.5 25.97 1994/276:19:40:25.4 25.97 1994/276:19:40:32.2 25.97 1994/276:19:40:39.1 25.98