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: 49.11 Site Name: Chimalapas, Mexico Site ID: E13 No. of Ancillary Data Records: 14 GMT Roll Angle 1994/102:10:10:09.0 206.09 1994/102:10:10:15.9 206.07 1994/102:10:10:22.7 206.06 1994/102:10:10:29.6 206.05 1994/102:10:10:36.5 206.05 1994/102:10:10:43.3 206.05 1994/102:10:10:50.2 206.04 1994/102:10:10:57.1 206.04 1994/102:10:11:03.9 206.05 1994/102:10:11:10.8 206.06 1994/102:10:11:17.7 206.06 1994/102:10:11:24.6 206.07 1994/102:10:11:31.4 206.09 1994/102:10:11:38.3 206.09