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: 143.30 Site Name: North Sea Slick Site ID: N45 No. of Ancillary Data Records: 35 GMT Roll Angle 1994/108:05:24:19.0 25.93 0.0000000 1994.00 25.9368134 0.00 1994/108:05:24:32.7 25.94 0.0000000 1994.00 25.9533234 0.00 1994/108:05:24:46.5 25.97 0.0000000 1994.00 25.9801903 0.00 1994/108:05:25:00.3 26.00 0.0000000 1994.00 26.0233841 0.00 1994/108:05:25:14.0 26.04 0.0000000 1994.00 26.0209618 0.00 1994/108:05:25:27.8 26.00 0.0000000 1994.00 25.9931488 0.00 1994/108:05:25:41.6 25.98 0.0000000 1994.00 25.9733315 0.00 1994/108:05:25:55.3 25.97 0.0000000 1994.00 25.9593124 0.00 1994/108:05:26:09.1 25.96 0.0000000 1994.00 25.9611855 0.00 1994/108:05:26:22.9 25.96 0.0000000 1994.00 25.9626083 0.00 1994/108:05:26:36.6 25.97 0.0000000 1994.00 25.9764366 0.00 1994/108:05:26:50.4 25.99 0.0000000 1994.00 26.0039940 0.00 1994/108:05:27:04.2 26.01 0.0000000 1994.00 26.0256119 0.00 1994/108:05:27:17.9 26.03 0.0000000 1994.00 25.9874153 0.00 1994/108:05:27:31.7 25.93 0.0000000 1994.00 72.9717560 0.00 1994/108:05:27:45.5 25.00 0.0000000 1994.00 26.2965851 0.00 1994/108:05:27:59.2 25.94 0.0000000 1994.00 25.9221802 0.00 1994/108:05:28:13.0 25.92