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 
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Data Take ID:                      87.51
Site Name:                         Chickasha, Oklahoma            
Site ID:                           HS2
No. of Ancillary Data Records:     17

       GMT          Roll Angle

1994/104:18:52:10.0    26.04
1994/104:18:52:16.9    26.02
1994/104:18:52:23.7    26.01
1994/104:18:52:30.6    26.01
1994/104:18:52:37.5    26.01
1994/104:18:52:44.4    26.00
1994/104:18:52:51.3    26.01
1994/104:18:52:58.1    26.01
1994/104:18:53:05.0    26.01
1994/104:18:53:11.9    26.02
1994/104:18:53:18.8    26.03
1994/104:18:53:25.6    26.04
1994/104:18:53:32.5    26.05
1994/104:18:53:39.4    26.07
1994/104:18:53:46.3    26.09
1994/104:18:53:53.2    26.11
1994/104:18:54:00.0    26.09