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:                      80.30
Site Name:                         North Sea A0                   
Site ID:                           NBA
No. of Ancillary Data Records:     27

       GMT          Roll Angle

1994/104:08:20:04.0    25.99
1994/104:08:20:10.9    25.99
1994/104:08:20:17.8    25.99
1994/104:08:20:24.7    26.00
1994/104:08:20:31.6    26.01
1994/104:08:20:38.5    26.02
1994/104:08:20:45.4    26.01
1994/104:08:20:52.3    26.00
1994/104:08:20:59.2    25.98
1994/104:08:21:06.1    25.97
1994/104:08:21:12.9    25.96
1994/104:08:21:19.8    25.95
1994/104:08:21:26.7    25.93
1994/104:08:21:33.6    25.93
1994/104:08:21:40.5    25.92
1994/104:08:21:47.4    25.92
1994/104:08:21:54.3    25.92
1994/104:08:22:01.2    25.92
1994/104:08:22:08.1    25.92
1994/104:08:22:15.0    25.94
1994/104:08:22:21.9    25.96
1994/104:08:22:28.8    25.96
1994/104:08:22:35.7    25.97
1994/104:08:22:42.6    25.99
1994/104:08:22:49.5    26.01
1994/104:08:22:56.4    26.02
1994/104:08:23:03.3    26.01