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:                      87.40
Site Name:                         Yellowstone NP, Wyoming, US    
Site ID:                           T65
No. of Ancillary Data Records:     18

       GMT          Roll Angle

1994/278:18:59:55.0    26.12
1994/278:19:00:01.9    26.02
1994/278:19:00:08.8    25.95
1994/278:19:00:15.6    25.86
1994/278:19:00:22.5    25.78
1994/278:19:00:29.4    25.70
1994/278:19:00:36.3    25.62
1994/278:19:00:43.2    25.55
1994/278:19:00:50.1    25.48
1994/278:19:00:57.0    25.41
1994/278:19:01:03.9    25.34
1994/278:19:01:10.8    25.28
1994/278:19:01:17.6    25.21
1994/278:19:01:24.5    25.30
1994/278:19:01:31.4    25.49
1994/278:19:01:38.3    25.68
1994/278:19:01:45.2    25.86
1994/278:19:01:52.1    26.06