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: 87.51 Site Name: Chickasha, Oklahoma Site ID: HS2 No. of Ancillary Data Records: 17 GMT Roll Angle 1994/278:19:03:28.0 26.57 1994/278:19:03:34.9 26.51 1994/278:19:03:41.7 26.45 1994/278:19:03:48.6 26.41 1994/278:19:03:55.5 26.35 1994/278:19:04:02.4 26.29 1994/278:19:04:09.3 26.24 1994/278:19:04:16.2 26.19 1994/278:19:04:23.0 26.04 1994/278:19:04:29.9 25.86 1994/278:19:04:36.8 25.68 1994/278:19:04:43.7 25.49 1994/278:19:04:50.6 25.31 1994/278:19:04:57.5 25.13 1994/278:19:05:04.3 25.02 1994/278:19:05:11.2 25.05 1994/278:19:05:18.1 25.12