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: 75.50 Site Name: Merv, Iran Site ID: T06 No. of Ancillary Data Records: 31 GMT Roll Angle 1994/278:00:56:32.0 26.05 1994/278:00:56:38.8 26.05 1994/278:00:56:45.7 26.05 1994/278:00:56:52.6 26.06 1994/278:00:56:59.5 26.06 1994/278:00:57:06.3 26.08 1994/278:00:57:13.2 26.09 1994/278:00:57:20.1 26.11 1994/278:00:57:27.0 26.13 1994/278:00:57:33.8 26.16 1994/278:00:57:40.7 26.19 1994/278:00:57:47.6 26.22 1994/278:00:57:54.5 26.25 1994/278:00:58:01.3 26.29 1994/278:00:58:08.2 26.33 1994/278:00:58:15.1 26.37 1994/278:00:58:22.0 26.42 1994/278:00:58:28.8 26.47 1994/278:00:58:35.7 26.53 1994/278:00:58:42.6 26.58 1994/278:00:58:49.5 26.64 1994/278:00:58:56.3 26.70 1994/278:00:59:03.2 26.77 1994/278:00:59:10.1 26.84 1994/278:00:59:17.0 26.91 1994/278:00:59:23.8 26.99 1994/278:00:59:30.7 27.06 1994/278:00:59:37.6 27.14 1994/278:00:59:44.5 27.23 1994/278:00:59:51.3 27.32 1994/278:00:59:58.2 27.41