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: 94.30 Site Name: Pinatubo, Philippines Site ID: G98 No. of Ancillary Data Records: 34 GMT Roll Angle 1994/105:05:19:41.0 25.99 1994/105:05:19:47.9 25.97 1994/105:05:19:54.7 25.96 1994/105:05:20:01.6 25.96 1994/105:05:20:08.5 25.95 1994/105:05:20:15.3 25.94 1994/105:05:20:22.2 25.94 1994/105:05:20:29.1 25.94 1994/105:05:20:35.9 25.93 1994/105:05:20:42.8 25.94 1994/105:05:20:49.7 25.94 1994/105:05:20:56.5 25.95 1994/105:05:21:03.4 25.97 1994/105:05:21:10.3 25.99 1994/105:05:21:17.1 26.01 1994/105:05:21:24.0 26.01 1994/105:05:21:30.9 26.03 1994/105:05:21:37.7 26.05 1994/105:05:21:44.6 26.07 1994/105:05:21:51.5 26.09 1994/105:05:21:58.3 26.09 1994/105:05:22:05.2 26.09 1994/105:05:22:12.1 26.08 1994/105:05:22:18.9 26.09 1994/105:05:22:25.8 26.08 1994/105:05:22:32.7 26.06 1994/105:05:22:39.5 26.05 1994/105:05:22:46.4 26.04 1994/105:05:22:53.3 26.03 1994/105:05:23:00.1 26.03 1994/105:05:23:07.0 26.02 1994/105:05:23:13.9 26.02 1994/105:05:23:20.8 26.02 1994/105:05:23:27.6 26.03