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:                      83.50
Site Name:                         Fort Zinder, Sahara  Mali      
Site ID:                           GS4
No. of Ancillary Data Records:     91

       GMT          Roll Angle

1994/278:13:09:20.0    25.97
1994/278:13:09:26.8    25.96
1994/278:13:09:33.7    25.96
1994/278:13:09:40.6    25.95
1994/278:13:09:47.4    25.96
1994/278:13:09:54.3    25.98
1994/278:13:10:01.2    25.98
1994/278:13:10:08.1    26.00
1994/278:13:10:14.9    26.00
1994/278:13:10:21.8    26.01
1994/278:13:10:28.7    26.02
1994/278:13:10:35.5    26.05
1994/278:13:10:42.4    26.06
1994/278:13:10:49.3    26.08
1994/278:13:10:56.1    26.05
1994/278:13:11:03.0    26.04
1994/278:13:11:09.9    26.04
1994/278:13:11:16.7    26.01
1994/278:13:11:23.6    26.01
1994/278:13:11:30.5    26.00
1994/278:13:11:37.3    26.00
1994/278:13:11:44.2    25.99
1994/278:13:11:51.1    26.00
1994/278:13:11:57.9    25.99
1994/278:13:12:04.8    26.00
1994/278:13:12:11.7    26.01
1994/278:13:12:18.5    26.00
1994/278:13:12:25.4    26.01
1994/278:13:12:32.3    26.04
1994/278:13:12:39.2    26.05
1994/278:13:12:46.0    26.07
1994/278:13:12:52.9    26.04
1994/278:13:12:59.8    26.02
1994/278:13:13:06.6    26.01
1994/278:13:13:13.5    26.00
1994/278:13:13:20.4    25.98
1994/278:13:13:27.2    25.97
1994/278:13:13:34.1    25.97
1994/278:13:13:41.0    25.96
1994/278:13:13:47.8    25.96
1994/278:13:13:54.7    25.96
1994/278:13:14:01.6    25.96
1994/278:13:14:08.4    25.96
1994/278:13:14:15.3    25.97
1994/278:13:14:22.2    25.97
1994/278:13:14:29.0    25.98
1994/278:13:14:35.9    25.99
1994/278:13:14:42.8    26.00
1994/278:13:14:49.7    26.02
1994/278:13:14:56.5    26.05
1994/278:13:15:03.4    26.07
1994/278:13:15:10.3    26.08
1994/278:13:15:17.1    26.06
1994/278:13:15:24.0    26.05
1994/278:13:15:30.9    26.02
1994/278:13:15:37.7    26.02
1994/278:13:15:44.6    26.01
1994/278:13:15:51.5    26.01
1994/278:13:15:58.3    26.00
1994/278:13:16:05.2    25.99
1994/278:13:16:12.1    26.00
1994/278:13:16:18.9    26.00
1994/278:13:16:25.8    26.00
1994/278:13:16:32.7    26.00
1994/278:13:16:39.5    26.01
1994/278:13:16:46.4    26.02
1994/278:13:16:53.3    26.05
1994/278:13:17:00.1    26.05
1994/278:13:17:07.0    26.06
1994/278:13:17:13.9    26.07
1994/278:13:17:20.8    26.08
1994/278:13:17:27.6    26.09
1994/278:13:17:34.5    26.11
1994/278:13:17:41.4    26.13
1994/278:13:17:48.2    26.16
1994/278:13:17:55.1    26.19
1994/278:13:18:02.0    26.22
1994/278:13:18:08.8    26.26
1994/278:13:18:15.7    26.30
1994/278:13:18:22.6    26.34
1994/278:13:18:29.4    26.39
1994/278:13:18:36.3    26.44
1994/278:13:18:43.2    26.50
1994/278:13:18:50.0    26.55
1994/278:13:18:56.9    26.62
1994/278:13:19:03.8    26.68
1994/278:13:19:10.6    26.75
1994/278:13:19:17.5    26.83
1994/278:13:19:24.4    26.90
1994/278:13:19:31.3    26.98
1994/278:13:19:38.1    27.07