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 1994/102:19:27:59.0 26.00 1994/102:19:28:05.9 25.99 1994/102:19:28:12.8 25.97 1994/102:19:28:19.7 25.96 1994/102:19:28:26.6 25.95 1994/102:19:28:33.4 25.95 1994/102:19:28:40.3 25.94 1994/102:19:28:47.2 25.94 1994/102:19:28:54.1 25.94 1994/102:19:29:01.0 25.95 1994/102:19:29:07.9 25.95 1994/102:19:29:14.8 25.95 1994/102:19:29:21.7 25.96 1994/102:19:29:28.6 25.97 1994/102:19:29:35.5 25.99 1994/102:19:29:42.4 26.00 1994/102:19:29:49.3 26.01