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:                      114.50
Site Name:                         Monastir, Tunisia              
Site ID:                           G91
No. of Ancillary Data Records:     18

       GMT          Roll Angle

1994/280:10:58:48.0    25.92
1994/280:10:58:54.9    25.92
1994/280:10:59:01.7    25.92
1994/280:10:59:08.6    25.91
1994/280:10:59:15.5    25.92
1994/280:10:59:22.4    25.92
1994/280:10:59:29.3    25.93
1994/280:10:59:36.1    25.92
1994/280:10:59:43.0    25.93
1994/280:10:59:49.9    25.96
1994/280:10:59:56.8    25.97
1994/280:11:00:03.7    25.99
1994/280:11:00:10.6    26.00
1994/280:11:00:17.4    26.03
1994/280:11:00:24.3    26.04
1994/280:11:00:31.2    26.04
1994/280:11:00:38.1    26.02
1994/280:11:00:45.0    25.99