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 
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Data Take ID:                      66.50
Site Name:                         Dongola, Sahara  Sudan         
Site ID:                           GS9
No. of Ancillary Data Records:     27

       GMT          Roll Angle

1994/277:12:03:37.0    26.05
1994/277:12:03:43.8    26.04
1994/277:12:03:50.7    26.02
1994/277:12:03:57.6    26.00
1994/277:12:04:04.4    25.99
1994/277:12:04:11.3    25.98
1994/277:12:04:18.2    25.98
1994/277:12:04:25.1    25.96
1994/277:12:04:31.9    25.97
1994/277:12:04:38.8    25.96
1994/277:12:04:45.7    25.96
1994/277:12:04:52.5    25.97
1994/277:12:04:59.4    25.98
1994/277:12:05:06.3    25.97
1994/277:12:05:13.1    25.97
1994/277:12:05:20.0    26.00
1994/277:12:05:26.9    26.01
1994/277:12:05:33.7    26.02
1994/277:12:05:40.6    26.04
1994/277:12:05:47.5    26.07
1994/277:12:05:54.3    26.09
1994/277:12:06:01.2    26.09
1994/277:12:06:08.1    26.09
1994/277:12:06:14.9    26.09
1994/277:12:06:21.8    26.08
1994/277:12:06:28.7    26.09
1994/277:12:06:35.6    26.10