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:                      51.70
Site Name:                         Str of Gibraltar               
Site ID:                           N54
No. of Ancillary Data Records:     13

       GMT          Roll Angle

1994/102:13:36:17.0    26.02
         0.0000000
    1994.00
         26.0494766    0.00
1994/102:13:36:30.8    26.07
         0.0000000
    1994.00
         26.0619259    0.00
1994/102:13:36:44.5    26.04
         0.0000000
    1994.00
         26.0245895    0.00
1994/102:13:36:58.3    26.01
         0.0000000
    1994.00
         25.9986935    0.00
1994/102:13:37:12.1    25.98
         0.0000000
    1994.00
         25.9835262    0.00
1994/102:13:37:25.9    25.98
         0.0000000
    1994.00
         25.9786015    0.00
1994/102:13:37:39.6    25.98