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: 124.00 Site Name: Siwa/Largeau, Sahara Chad Site ID: GS7 No. of Ancillary Data Records: 36 GMT Roll Angle 1994/107:01:05:53.0 26.03 1994/107:01:05:59.8 26.04 1994/107:01:06:06.7 26.05 1994/107:01:06:13.6 26.05 1994/107:01:06:20.4 26.06 1994/107:01:06:27.3 26.07 1994/107:01:06:34.2 26.09 1994/107:01:06:41.0 26.09 1994/107:01:06:47.9 26.09 1994/107:01:06:54.7 26.07 1994/107:01:07:01.6 26.07 1994/107:01:07:08.5 26.07 1994/107:01:07:15.3 26.06 1994/107:01:07:22.2 26.06 1994/107:01:07:29.0 26.07 1994/107:01:07:35.9 26.06 1994/107:01:07:42.8 26.07 1994/107:01:07:49.6 26.07 1994/107:01:07:56.5 26.09 1994/107:01:08:03.3 26.09 1994/107:01:08:10.2 26.08 1994/107:01:08:17.1 26.07 1994/107:01:08:23.9 26.05 1994/107:01:08:30.8 26.04 1994/107:01:08:37.7 26.03 1994/107:01:08:44.5 26.02 1994/107:01:08:51.4 26.02 1994/107:01:08:58.2 26.01 1994/107:01:09:05.1 26.01 1994/107:01:09:12.0 26.01 1994/107:01:09:18.8 26.02 1994/107:01:09:25.7 26.04 1994/107:01:09:32.5 26.06 1994/107:01:09:39.4 26.06 1994/107:01:09:46.3 26.08 1994/107:01:09:53.1 26.10