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:                      81.00
Site Name:                         Chulchaca, Yucatan Mexico      
Site ID:                           E58
No. of Ancillary Data Records:     44

       GMT          Roll Angle

1994/104:09:30:39.0    26.07
1994/104:09:30:45.9    26.05
1994/104:09:30:52.7    26.05
1994/104:09:30:59.6    26.04
1994/104:09:31:06.5    26.03
1994/104:09:31:13.3    26.04
1994/104:09:31:20.2    26.03
1994/104:09:31:27.1    26.03
1994/104:09:31:33.9    26.04
1994/104:09:31:40.8    26.04
1994/104:09:31:47.7    26.05
1994/104:09:31:54.5    26.06
1994/104:09:32:01.4    26.08
1994/104:09:32:08.3    26.10
1994/104:09:32:15.1    26.08
1994/104:09:32:22.0    26.07
1994/104:09:32:28.9    26.06
1994/104:09:32:35.7    26.05
1994/104:09:32:42.6    26.05
1994/104:09:32:49.5    26.04
1994/104:09:32:56.4    26.04
1994/104:09:33:03.2    26.04
1994/104:09:33:10.1    26.04
1994/104:09:33:17.0    26.05
1994/104:09:33:23.8    26.06
1994/104:09:33:30.7    26.08
1994/104:09:33:37.6    26.08
1994/104:09:33:44.4    26.08
1994/104:09:33:51.3    26.08
1994/104:09:33:58.2    26.08
1994/104:09:34:05.0    26.09
1994/104:09:34:11.9    26.11
1994/104:09:34:18.8    26.12
1994/104:09:34:25.6    26.13
1994/104:09:34:32.5    26.15
1994/104:09:34:39.4    26.17
1994/104:09:34:46.2    26.18
1994/104:09:34:53.1    26.17
1994/104:09:34:60.0    26.17
1994/104:09:35:06.9    26.15
1994/104:09:35:13.7    26.13
1994/104:09:35:20.6    26.11
1994/104:09:35:27.5    26.09
1994/104:09:35:34.3    26.08