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:     76

       GMT          Roll Angle

1994/274:14:27:39.0    26.01
1994/274:14:27:45.8    26.02
1994/274:14:27:52.7    26.03
1994/274:14:27:59.6    26.04
1994/274:14:28:06.5    26.06
1994/274:14:28:13.3    26.07
1994/274:14:28:20.2    26.06
1994/274:14:28:27.1    26.05
1994/274:14:28:33.9    26.05
1994/274:14:28:40.8    26.02
1994/274:14:28:47.7    26.01
1994/274:14:28:54.5    25.99
1994/274:14:29:01.4    25.97
1994/274:14:29:08.3    25.97
1994/274:14:29:15.2    25.95
1994/274:14:29:22.0    25.94
1994/274:14:29:28.9    25.93
1994/274:14:29:35.8    25.95
1994/274:14:29:42.6    25.93
1994/274:14:29:49.5    25.94
1994/274:14:29:56.4    25.95
1994/274:14:30:03.2    25.95
1994/274:14:30:10.1    25.97
1994/274:14:30:17.0    25.98
1994/274:14:30:23.8    25.99
1994/274:14:30:30.7    26.01
1994/274:14:30:37.6    26.02
1994/274:14:30:44.5    26.04
1994/274:14:30:51.3    26.06
1994/274:14:30:58.2    26.08
1994/274:14:31:05.1    26.09
1994/274:14:31:11.9    26.09
1994/274:14:31:18.8    26.08
1994/274:14:31:25.7    26.08
1994/274:14:31:32.5    26.09
1994/274:14:31:39.4    26.08
1994/274:14:31:46.3    26.09
1994/274:14:31:53.2    26.08
1994/274:14:32:00.0    26.08
1994/274:14:32:06.9    26.06
1994/274:14:32:13.8    26.07
1994/274:14:32:20.6    26.05
1994/274:14:32:27.5    26.06
1994/274:14:32:34.4    26.06
1994/274:14:32:41.2    26.05
1994/274:14:32:48.1    26.06
1994/274:14:32:55.0    26.08
1994/274:14:33:01.8    26.08
1994/274:14:33:08.7    26.08
1994/274:14:33:15.6    26.06
1994/274:14:33:22.5    26.05
1994/274:14:33:29.3    26.03
1994/274:14:33:36.2    26.01
1994/274:14:33:43.1    26.01
1994/274:14:33:49.9    26.00
1994/274:14:33:56.8    25.99
1994/274:14:34:03.7    25.99
1994/274:14:34:10.5    25.99
1994/274:14:34:17.4    25.99
1994/274:14:34:24.3    25.99
1994/274:14:34:31.2    26.00
1994/274:14:34:38.0    26.01
1994/274:14:34:44.9    26.02
1994/274:14:34:51.8    26.03
1994/274:14:34:58.6    26.04
1994/274:14:35:05.5    26.06
1994/274:14:35:12.4    26.09
1994/274:14:35:19.2    26.09
1994/274:14:35:26.1    26.09
1994/274:14:35:33.0    26.09
1994/274:14:35:39.9    26.08
1994/274:14:35:46.7    26.07
1994/274:14:35:53.6    26.08
1994/274:14:36:00.5    26.09
1994/274:14:36:07.3    26.10
1994/274:14:36:14.2    26.11