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:                      33.21
Site Name:                         Duke Forest, North Carolina    
Site ID:                           ES5
No. of Ancillary Data Records:     30

       GMT          Roll Angle

1994/275:10:44:34.0    206.14
1994/275:10:44:40.9    206.15
1994/275:10:44:47.7    206.15
1994/275:10:44:54.6    206.14
1994/275:10:45:01.5    206.15
1994/275:10:45:08.4    206.16
1994/275:10:45:15.2    206.15
1994/275:10:45:22.1    206.14
1994/275:10:45:29.0    206.15
1994/275:10:45:35.9    206.15
1994/275:10:45:42.7    206.14
1994/275:10:45:49.6    206.13
1994/275:10:45:56.5    206.14
1994/275:10:46:03.4    206.14
1994/275:10:46:10.3    206.14
1994/275:10:46:17.1    206.14
1994/275:10:46:24.0    206.16
1994/275:10:46:30.9    206.15
1994/275:10:46:37.8    206.13
1994/275:10:46:44.6    206.14
1994/275:10:46:51.5    206.13
1994/275:10:46:58.4    206.14
1994/275:10:47:05.3    206.15
1994/275:10:47:12.2    206.15
1994/275:10:47:19.0    206.16
1994/275:10:47:25.9    206.14
1994/275:10:47:32.8    206.14
1994/275:10:47:39.7    206.11
1994/275:10:47:46.5    206.12
1994/275:10:47:53.4    206.12