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. 
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Data Take ID:                      51.31
Site Name:                         Bighorn Basin, Wyoming         
Site ID:                           G04
No. of Ancillary Data Records:     7

       GMT          Roll Angle

1994/102:13:17:50.0    26.09
1994/102:13:17:56.9    26.08
1994/102:13:18:03.8    26.06
1994/102:13:18:10.7    26.05
1994/102:13:18:17.5    26.04
1994/102:13:18:24.4    26.04
1994/102:13:18:31.3    26.04