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:                      141.10
Site Name:                         Mt. Etna, Sicily, Italy        
Site ID:                           T16
No. of Ancillary Data Records:     34

       GMT          Roll Angle

1994/282:02:29:45.0    26.07
1994/282:02:29:51.8    26.08
1994/282:02:29:58.7    26.08
1994/282:02:30:05.6    26.07
1994/282:02:30:12.4    26.06
1994/282:02:30:19.3    26.04
1994/282:02:30:26.1    26.05
1994/282:02:30:33.0    26.04
1994/282:02:30:39.9    26.04
1994/282:02:30:46.7    26.03
1994/282:02:30:53.6    26.05
1994/282:02:31:00.5    26.06
1994/282:02:31:07.3    26.07
1994/282:02:31:14.2    26.06
1994/282:02:31:21.0    26.06
1994/282:02:31:27.9    26.04
1994/282:02:31:34.8    26.04
1994/282:02:31:41.6    26.03
1994/282:02:31:48.5    26.03
1994/282:02:31:55.3    26.02
1994/282:02:32:02.2    26.01
1994/282:02:32:09.1    26.01
1994/282:02:32:15.9    26.03
1994/282:02:32:22.8    26.03
1994/282:02:32:29.7    26.04
1994/282:02:32:36.5    26.05
1994/282:02:32:43.4    26.07
1994/282:02:32:50.2    26.06
1994/282:02:32:57.1    26.03
1994/282:02:33:04.0    26.02
1994/282:02:33:10.8    26.02
1994/282:02:33:17.7    26.00
1994/282:02:33:24.6    26.00
1994/282:02:33:31.4    26.01