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:                      40.50
Site Name:                         Galapagos Islands              
Site ID:                           GS1
No. of Ancillary Data Records:     36

       GMT          Roll Angle

1994/275:21:40:10.0    26.08
1994/275:21:40:16.8    26.08
1994/275:21:40:23.7    26.08
1994/275:21:40:30.6    26.09
1994/275:21:40:37.4    26.07
1994/275:21:40:44.3    26.07
1994/275:21:40:51.2    26.06
1994/275:21:40:58.0    26.04
1994/275:21:41:04.9    26.05
1994/275:21:41:11.8    26.04
1994/275:21:41:18.6    26.04
1994/275:21:41:25.5    26.03
1994/275:21:41:32.4    26.04
1994/275:21:41:39.3    26.04
1994/275:21:41:46.1    26.04
1994/275:21:41:53.0    26.05
1994/275:21:41:59.9    26.05
1994/275:21:42:06.7    26.06
1994/275:21:42:13.6    26.07
1994/275:21:42:20.5    26.09
1994/275:21:42:27.3    26.07
1994/275:21:42:34.2    26.04
1994/275:21:42:41.1    26.03
1994/275:21:42:47.9    26.04
1994/275:21:42:54.8    26.05
1994/275:21:43:01.7    26.07
1994/275:21:43:08.5    26.08
1994/275:21:43:15.4    26.10
1994/275:21:43:22.3    26.08
1994/275:21:43:29.1    26.06
1994/275:21:43:36.0    26.06
1994/275:21:43:42.9    26.06
1994/275:21:43:49.7    26.06
1994/275:21:43:56.6    26.05
1994/275:21:44:03.5    26.06
1994/275:21:44:10.3    26.08