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:                      33.10
Site Name:                         Chulchaca, Yucatan Mexico      
Site ID:                           E58
No. of Ancillary Data Records:     25

       GMT          Roll Angle

1994/275:10:39:51.0    206.10
1994/275:10:39:57.8    206.07
1994/275:10:40:04.7    206.06
1994/275:10:40:11.6    206.04
1994/275:10:40:18.4    206.03
1994/275:10:40:25.3    206.00
1994/275:10:40:32.2    205.99
1994/275:10:40:39.1    205.99
1994/275:10:40:45.9    205.99
1994/275:10:40:52.8    205.97
1994/275:10:40:59.7    205.99
1994/275:10:41:06.5    205.98
1994/275:10:41:13.4    205.99
1994/275:10:41:20.3    205.98
1994/275:10:41:27.1    205.99
1994/275:10:41:34.0    205.99
1994/275:10:41:40.9    206.01
1994/275:10:41:47.7    206.02
1994/275:10:41:54.6    206.03
1994/275:10:42:01.5    206.04
1994/275:10:42:08.3    206.04
1994/275:10:42:15.2    206.05
1994/275:10:42:22.1    206.06
1994/275:10:42:29.0    206.06
1994/275:10:42:35.8    206.07