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:                      39.30
Site Name:                         Yellowstone NP, Wyoming, US    
Site ID:                           T65
No. of Ancillary Data Records:     36

       GMT          Roll Angle

1994/275:19:56:28.0    26.09
1994/275:19:56:34.9    26.10
1994/275:19:56:41.7    26.10
1994/275:19:56:48.6    26.10
1994/275:19:56:55.5    26.12
1994/275:19:57:02.4    26.10
1994/275:19:57:09.3    26.07
1994/275:19:57:16.2    26.06
1994/275:19:57:23.1    26.05
1994/275:19:57:30.0    26.03
1994/275:19:57:36.8    26.03
1994/275:19:57:43.7    26.02
1994/275:19:57:50.6    26.02
1994/275:19:57:57.5    26.01
1994/275:19:58:04.4    26.03
1994/275:19:58:11.3    26.03
1994/275:19:58:18.2    26.03
1994/275:19:58:25.0    26.03
1994/275:19:58:31.9    26.03
1994/275:19:58:38.8    26.05
1994/275:19:58:45.7    26.05
1994/275:19:58:52.6    26.07
1994/275:19:58:59.5    26.08
1994/275:19:59:06.4    26.10
1994/275:19:59:13.2    26.07
1994/275:19:59:20.1    26.04
1994/275:19:59:27.0    26.03
1994/275:19:59:33.9    26.03
1994/275:19:59:40.8    26.01
1994/275:19:59:47.7    25.99
1994/275:19:59:54.6    25.98
1994/275:20:00:01.5    25.98
1994/275:20:00:08.3    25.98
1994/275:20:00:15.2    25.97
1994/275:20:00:22.1    25.98
1994/275:20:00:29.0    25.99