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:                      18.32
Site Name:                         Erta Ale, Ethiopia             
Site ID:                           G1D
No. of Ancillary Data Records:     29

       GMT          Roll Angle

1994/274:13:02:49.0    206.01
1994/274:13:02:55.8    206.02
1994/274:13:03:02.7    206.02
1994/274:13:03:09.6    205.99
1994/274:13:03:16.4    205.97
1994/274:13:03:23.3    205.96
1994/274:13:03:30.2    205.94
1994/274:13:03:37.1    205.94
1994/274:13:03:43.9    205.95
1994/274:13:03:50.8    205.94
1994/274:13:03:57.7    205.94
1994/274:13:04:04.5    205.94
1994/274:13:04:11.4    205.94
1994/274:13:04:18.3    205.96
1994/274:13:04:25.1    205.97
1994/274:13:04:32.0    205.97
1994/274:13:04:38.9    205.98
1994/274:13:04:45.7    205.98
1994/274:13:04:52.6    206.01
1994/274:13:04:59.5    206.01
1994/274:13:05:06.3    206.04
1994/274:13:05:13.2    206.05
1994/274:13:05:20.1    206.07
1994/274:13:05:26.9    206.09
1994/274:13:05:33.8    206.08
1994/274:13:05:40.7    206.08
1994/274:13:05:47.5    206.08
1994/274:13:05:54.4    206.10
1994/274:13:06:01.3    206.10