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:                      16.20
Site Name:                         Chernobyl, Ukraine             
Site ID:                           T60
No. of Ancillary Data Records:     27

       GMT          Roll Angle

1994/274:09:50:35.0    26.12
1994/274:09:50:41.9    26.11
1994/274:09:50:48.8    26.10
1994/274:09:50:55.7    26.08
1994/274:09:51:02.5    26.07
1994/274:09:51:09.4    26.06
1994/274:09:51:16.3    26.07
1994/274:09:51:23.2    26.09
1994/274:09:51:30.1    26.08
1994/274:09:51:37.0    26.10
1994/274:09:51:43.9    26.10
1994/274:09:51:50.8    26.12
1994/274:09:51:57.7    26.09
1994/274:09:52:04.6    26.08
1994/274:09:52:11.5    26.07
1994/274:09:52:18.4    26.07
1994/274:09:52:25.3    26.07
1994/274:09:52:32.2    26.08
1994/274:09:52:39.0    26.09
1994/274:09:52:45.9    26.11
1994/274:09:52:52.8    26.13
1994/274:09:52:59.7    26.15
1994/274:09:53:06.6    26.17
1994/274:09:53:13.5    26.20
1994/274:09:53:20.4    26.22
1994/274:09:53:27.3    26.25
1994/274:09:53:34.2    26.29