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:                      172.21
Site Name:                         Siwa/Largeau, Sahara  Chad     
Site ID:                           GS7
No. of Ancillary Data Records:     28

       GMT          Roll Angle

1994/110:00:00:45.0    26.02
1994/110:00:00:51.8    26.03
1994/110:00:00:58.7    26.05
1994/110:00:01:05.5    26.06
1994/110:00:01:12.4    26.09
1994/110:00:01:19.3    26.09
1994/110:00:01:26.1    26.08
1994/110:00:01:33.0    26.08
1994/110:00:01:39.8    26.07
1994/110:00:01:46.7    26.07
1994/110:00:01:53.5    26.06
1994/110:00:02:00.4    26.06
1994/110:00:02:07.2    26.07
1994/110:00:02:14.1    26.07
1994/110:00:02:20.9    26.09
1994/110:00:02:27.8    26.09
1994/110:00:02:34.7    26.07
1994/110:00:02:41.5    26.04
1994/110:00:02:48.4    26.03
1994/110:00:02:55.2    26.03
1994/110:00:03:02.1    26.02
1994/110:00:03:08.9    26.01
1994/110:00:03:15.8    26.00
1994/110:00:03:22.6    26.01
1994/110:00:03:29.5    26.00
1994/110:00:03:36.3    25.97
1994/110:00:03:43.2    25.96
1994/110:00:03:50.0    25.96