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:                      135.42
Site Name:                         Salsipuedes, Yucatan Mexico    
Site ID:                           E57
No. of Ancillary Data Records:     24

       GMT          Roll Angle

1994/107:17:54:24.0    25.94
1994/107:17:54:30.9    25.92
1994/107:17:54:37.7    25.91
1994/107:17:54:44.6    25.90
1994/107:17:54:51.5    25.89
1994/107:17:54:58.3    25.89
1994/107:17:55:05.2    25.92
1994/107:17:55:12.0    25.94
1994/107:17:55:18.9    25.96
1994/107:17:55:25.8    25.99
1994/107:17:55:32.6    26.02
1994/107:17:55:39.5    26.05
1994/107:17:55:46.4    26.09
1994/107:17:55:53.2    26.09
1994/107:17:56:00.1    26.07
1994/107:17:56:07.0    26.05
1994/107:17:56:13.8    26.03
1994/107:17:56:20.7    26.02
1994/107:17:56:27.6    26.00
1994/107:17:56:34.4    25.99
1994/107:17:56:41.3    26.00
1994/107:17:56:48.2    25.99
1994/107:17:56:55.0    25.98
1994/107:17:57:01.9    25.97