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: 17.60 Site Name: Black Sea Site ID: N12 No. of Ancillary Data Records: 18 GMT Roll Angle 1994/100:11:13:29.0 205.96 0.0000000 1994.00 205.9895020 0.00 1994/100:11:13:42.8 206.01 0.0000000 1994.00 206.0321350 0.00 1994/100:11:13:56.6 206.06 0.0000000 1994.00 206.0395660 0.00 1994/100:11:14:10.3 206.02 0.0000000 1994.00 206.0235596 0.00 1994/100:11:14:24.1 206.01 0.0000000 1994.00 206.0077057 0.00 1994/100:11:14:37.9 206.01 0.0000000 1994.00 206.0069580 0.00 1994/100:11:14:51.7 206.02 0.0000000 1994.00 206.0261841 0.00 1994/100:11:15:05.5 206.04 0.0000000 1994.00 206.0523071 0.00 1994/100:11:15:19.2 206.05 0.0000000 1994.00 206.0327148 0.00