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:                      17.21
Site Name:                         Duke Forest, North Carolina    
Site ID:                           ES5
No. of Ancillary Data Records:     32

       GMT          Roll Angle

1994/274:11:02:42.0    206.11
1994/274:11:02:48.9    206.09
1994/274:11:02:55.7    206.06
1994/274:11:03:02.6    206.05
1994/274:11:03:09.5    206.04
1994/274:11:03:16.4    206.03
1994/274:11:03:23.2    206.03
1994/274:11:03:30.1    206.03
1994/274:11:03:37.0    206.03
1994/274:11:03:43.9    206.04
1994/274:11:03:50.8    206.03
1994/274:11:03:57.6    206.04
1994/274:11:04:04.5    206.04
1994/274:11:04:11.4    206.06
1994/274:11:04:18.3    206.07
1994/274:11:04:25.2    206.10
1994/274:11:04:32.0    206.11
1994/274:11:04:38.9    206.13
1994/274:11:04:45.8    206.15
1994/274:11:04:52.7    206.13
1994/274:11:04:59.6    206.11
1994/274:11:05:06.4    206.10
1994/274:11:05:13.3    206.08
1994/274:11:05:20.2    206.08
1994/274:11:05:27.1    206.07
1994/274:11:05:33.9    206.05
1994/274:11:05:40.8    206.05
1994/274:11:05:47.7    206.06
1994/274:11:05:54.6    206.05
1994/274:11:06:01.5    206.04
1994/274:11:06:08.3    206.04
1994/274:11:06:15.2    206.05