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:                      89.40
Site Name:                         Calcutta, India                
Site ID:                           T31
No. of Ancillary Data Records:     9

       GMT          Roll Angle

1994/278:21:34:25.0    208.76
1994/278:21:34:31.8    208.81
1994/278:21:34:38.7    208.85
1994/278:21:34:45.6    208.91
1994/278:21:34:52.4    208.97
1994/278:21:34:59.3    209.02
1994/278:21:35:06.2    209.01
1994/278:21:35:13.0    208.84
1994/278:21:35:19.9    208.68