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: 55.40 Site Name: Chickasha, Oklahoma Site ID: HS2 No. of Ancillary Data Records: 15 GMT Roll Angle 1994/276:19:42:17.0 26.05 1994/276:19:42:23.9 26.04 1994/276:19:42:30.7 26.05 1994/276:19:42:37.6 26.06 1994/276:19:42:44.5 26.06 1994/276:19:42:51.4 26.06 1994/276:19:42:58.2 26.07 1994/276:19:43:05.1 26.09 1994/276:19:43:12.0 26.07 1994/276:19:43:18.9 26.07 1994/276:19:43:25.8 26.05 1994/276:19:43:32.6 26.06 1994/276:19:43:39.5 26.03 1994/276:19:43:46.4 26.04 1994/276:19:43:53.3 26.05