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:                      173.80
Site Name:                         San Rafael Glacier, Chile      
Site ID:                           G1S
No. of Ancillary Data Records:     36

       GMT          Roll Angle

1994/284:02:46:14.0    26.04
1994/284:02:46:20.8    26.04
1994/284:02:46:27.7    26.04
1994/284:02:46:34.6    26.04
1994/284:02:46:41.4    26.05
1994/284:02:46:48.3    26.05
1994/284:02:46:55.2    26.07
1994/284:02:47:02.0    26.08
1994/284:02:47:08.9    26.10
1994/284:02:47:15.7    26.08
1994/284:02:47:22.6    26.05
1994/284:02:47:29.5    26.04
1994/284:02:47:36.3    26.01
1994/284:02:47:43.2    26.01
1994/284:02:47:50.1    25.98
1994/284:02:47:56.9    25.97
1994/284:02:48:03.8    25.97
1994/284:02:48:10.6    25.96
1994/284:02:48:17.5    25.96
1994/284:02:48:24.4    25.95
1994/284:02:48:31.2    25.97
1994/284:02:48:38.1    25.98
1994/284:02:48:45.0    26.01
1994/284:02:48:51.8    26.01
1994/284:02:48:58.7    26.03
1994/284:02:49:05.6    26.05
1994/284:02:49:12.4    26.07
1994/284:02:49:19.3    26.08
1994/284:02:49:26.1    26.10
1994/284:02:49:33.0    26.09
1994/284:02:49:39.9    26.07
1994/284:02:49:46.7    26.05
1994/284:02:49:53.6    26.05
1994/284:02:50:00.5    26.04
1994/284:02:50:07.3    26.04
1994/284:02:50:14.2    26.04