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:                      173.21
Site Name:                         Monastir, Tunisia              
Site ID:                           G91
No. of Ancillary Data Records:     13

       GMT          Roll Angle

1994/284:01:42:49.0    26.08
1994/284:01:42:55.8    26.07
1994/284:01:43:02.7    26.06
1994/284:01:43:09.5    26.05
1994/284:01:43:16.4    26.04
1994/284:01:43:23.3    26.05
1994/284:01:43:30.1    26.06
1994/284:01:43:37.0    26.04
1994/284:01:43:43.8    26.04
1994/284:01:43:50.7    26.05
1994/284:01:43:57.5    26.06
1994/284:01:44:04.4    26.07
1994/284:01:44:11.3    26.08