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:                      19.50
Site Name:                         Lake Chad, Sahara  Chad        
Site ID:                           GS5
No. of Ancillary Data Records:     68

       GMT          Roll Angle

1994/100:14:17:34.0    26.00
1994/100:14:17:40.9    26.02
1994/100:14:17:47.7    26.02
1994/100:14:17:54.6    26.05
1994/100:14:18:01.5    26.01
1994/100:14:18:08.4    26.00
1994/100:14:18:15.3    25.98
1994/100:14:18:22.2    25.96
1994/100:14:18:29.0    25.95
1994/100:14:18:35.9    25.94
1994/100:14:18:42.8    25.94
1994/100:14:18:49.7    25.93
1994/100:14:18:56.6    25.94
1994/100:14:19:03.5    25.94
1994/100:14:19:10.3    25.94
1994/100:14:19:17.2    25.95
1994/100:14:19:24.1    25.96
1994/100:14:19:31.0    25.98
1994/100:14:19:37.9    26.00
1994/100:14:19:44.7    26.02
1994/100:14:19:51.6    26.05
1994/100:14:19:58.5    26.07
1994/100:14:20:05.4    26.08
1994/100:14:20:12.3    26.09
1994/100:14:20:19.2    26.08
1994/100:14:20:26.0    26.07
1994/100:14:20:32.9    26.07
1994/100:14:20:39.8    26.07
1994/100:14:20:46.7    26.08
1994/100:14:20:53.6    26.08
1994/100:14:21:00.4    26.09
1994/100:14:21:07.3    26.08
1994/100:14:21:14.2    26.06
1994/100:14:21:21.1    26.05
1994/100:14:21:28.0    26.03
1994/100:14:21:34.9    26.02
1994/100:14:21:41.7    26.02
1994/100:14:21:48.6    26.01
1994/100:14:21:55.5    26.01
1994/100:14:22:02.4    26.02
1994/100:14:22:09.3    26.02
1994/100:14:22:16.1    26.04
1994/100:14:22:23.0    26.06
1994/100:14:22:29.9    26.07
1994/100:14:22:36.8    26.09
1994/100:14:22:43.7    26.07
1994/100:14:22:50.6    26.06
1994/100:14:22:57.4    26.05
1994/100:14:23:04.3    26.05
1994/100:14:23:11.2    26.05
1994/100:14:23:18.1    26.06
1994/100:14:23:25.0    26.06
1994/100:14:23:31.8    26.07
1994/100:14:23:38.7    26.09
1994/100:14:23:45.6    26.08
1994/100:14:23:52.5    26.07
1994/100:14:23:59.4    26.07
1994/100:14:24:06.3    26.06
1994/100:14:24:13.1    26.06
1994/100:14:24:20.0    26.06
1994/100:14:24:26.9    26.07
1994/100:14:24:33.8    26.07
1994/100:14:24:40.7    26.09
1994/100:14:24:47.5    26.09
1994/100:14:24:54.4    26.06
1994/100:14:25:01.3    26.04
1994/100:14:25:08.2    26.03
1994/100:14:25:15.1    26.01