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:                      66.32
Site Name:                         Strait of Sicily               
Site ID:                           N57
No. of Ancillary Data Records:     21

       GMT          Roll Angle

1994/277:11:58:56.0    25.97
1994/277:11:59:02.9    25.98
1994/277:11:59:09.7    25.98
1994/277:11:59:16.6    25.99
1994/277:11:59:23.5    26.01
1994/277:11:59:30.4    26.00
1994/277:11:59:37.2    26.03
1994/277:11:59:44.1    26.03
1994/277:11:59:51.0    26.05
1994/277:11:59:57.9    26.07
1994/277:12:00:04.7    26.06
1994/277:12:00:11.6    26.04
1994/277:12:00:18.5    26.02
1994/277:12:00:25.4    26.00
1994/277:12:00:32.3    26.00
1994/277:12:00:39.1    25.98
1994/277:12:00:46.0    25.98
1994/277:12:00:52.9    25.97
1994/277:12:00:59.8    25.97
1994/277:12:01:06.6    25.97
1994/277:12:01:13.5    25.98