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:                      128.30
Site Name:                         North Sea A2                   
Site ID:                           NBC
No. of Ancillary Data Records:     36

       GMT          Roll Angle

1994/107:07:18:39.0    26.03
1994/107:07:18:45.9    26.04
1994/107:07:18:52.8    26.06
1994/107:07:18:59.6    26.06
1994/107:07:19:06.5    26.03
1994/107:07:19:13.4    26.02
1994/107:07:19:20.3    26.00
1994/107:07:19:27.2    25.98
1994/107:07:19:34.1    25.97
1994/107:07:19:41.0    25.96
1994/107:07:19:47.9    25.95
1994/107:07:19:54.7    25.95
1994/107:07:20:01.6    25.95
1994/107:07:20:08.5    25.94
1994/107:07:20:15.4    25.94
1994/107:07:20:22.3    25.94
1994/107:07:20:29.2    25.95
1994/107:07:20:36.1    25.96
1994/107:07:20:42.9    25.96
1994/107:07:20:49.8    25.98
1994/107:07:20:56.7    25.99
1994/107:07:21:03.6    26.00
1994/107:07:21:10.5    26.03
1994/107:07:21:17.4    26.05
1994/107:07:21:24.3    26.05
1994/107:07:21:31.2    26.03
1994/107:07:21:38.0    26.01
1994/107:07:21:44.9    26.00
1994/107:07:21:51.8    25.98
1994/107:07:21:58.7    25.97
1994/107:07:22:05.6    25.96
1994/107:07:22:12.5    25.95
1994/107:07:22:19.4    25.94
1994/107:07:22:26.3    25.94
1994/107:07:22:33.1    25.94
1994/107:07:22:40.0    25.94