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:                      146.20
Site Name:                         Springfield, Illinois          
Site ID:                           T13
No. of Ancillary Data Records:     36

       GMT          Roll Angle

1994/108:09:43:58.0    54.06
1994/108:09:44:04.9    54.09
1994/108:09:44:11.7    54.11
1994/108:09:44:18.6    54.13
1994/108:09:44:25.5    54.12
1994/108:09:44:32.3    54.10
1994/108:09:44:39.2    54.09
1994/108:09:44:46.1    54.08
1994/108:09:44:53.0    54.08
1994/108:09:44:59.8    54.07
1994/108:09:45:06.7    54.07
1994/108:09:45:13.6    54.08
1994/108:09:45:20.5    54.09
1994/108:09:45:27.3    54.11
1994/108:09:45:34.2    54.09
1994/108:09:45:41.1    54.07
1994/108:09:45:47.9    54.04
1994/108:09:45:54.8    54.02
1994/108:09:46:01.7    54.01
1994/108:09:46:08.6    54.00
1994/108:09:46:15.4    54.00
1994/108:09:46:22.3    53.99
1994/108:09:46:29.2    53.99
1994/108:09:46:36.0    53.99
1994/108:09:46:42.9    54.00
1994/108:09:46:49.8    54.00
1994/108:09:46:56.7    54.01
1994/108:09:47:03.5    54.02
1994/108:09:47:10.4    54.03
1994/108:09:47:17.3    54.05
1994/108:09:47:24.2    54.07
1994/108:09:47:31.0    54.09
1994/108:09:47:37.9    54.11
1994/108:09:47:44.8    54.10
1994/108:09:47:51.6    54.08
1994/108:09:47:58.5    54.07