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:                      113.10
Site Name:                         Chulchaca, Yucatan Mexico      
Site ID:                           E58
No. of Ancillary Data Records:     33

       GMT          Roll Angle

1994/280:09:01:43.0    26.09
1994/280:09:01:49.8    26.09
1994/280:09:01:56.7    26.08
1994/280:09:02:03.5    26.08
1994/280:09:02:10.4    26.06
1994/280:09:02:17.3    26.05
1994/280:09:02:24.1    26.04
1994/280:09:02:31.0    26.03
1994/280:09:02:37.8    26.03
1994/280:09:02:44.7    26.03
1994/280:09:02:51.5    26.02
1994/280:09:02:58.4    26.03
1994/280:09:03:05.2    26.04
1994/280:09:03:12.1    26.05
1994/280:09:03:18.9    26.04
1994/280:09:03:25.8    26.06
1994/280:09:03:32.7    26.09
1994/280:09:03:39.5    26.08
1994/280:09:03:46.4    26.06
1994/280:09:03:53.2    26.04
1994/280:09:04:00.1    26.03
1994/280:09:04:06.9    26.01
1994/280:09:04:13.8    25.99
1994/280:09:04:20.6    25.99
1994/280:09:04:27.5    25.99
1994/280:09:04:34.4    25.97
1994/280:09:04:41.2    25.99
1994/280:09:04:48.1    25.98
1994/280:09:04:54.9    26.00
1994/280:09:05:01.8    26.01
1994/280:09:05:08.6    26.02
1994/280:09:05:15.5    26.02
1994/280:09:05:22.3    26.03