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: 172.90 Site Name: Moreno Glacier, Argentina Site ID: G0J No. of Ancillary Data Records: 18 GMT Roll Angle 1994/284:01:14:07.0 205.94 1994/284:01:14:13.8 205.93 1994/284:01:14:20.7 205.94 1994/284:01:14:27.6 205.94 1994/284:01:14:34.5 205.95 1994/284:01:14:41.3 205.95 1994/284:01:14:48.2 205.95 1994/284:01:14:55.1 205.97 1994/284:01:15:01.9 205.99 1994/284:01:15:08.8 206.00 1994/284:01:15:15.7 206.02 1994/284:01:15:22.6 206.04 1994/284:01:15:29.4 206.05 1994/284:01:15:36.3 206.03 1994/284:01:15:43.2 206.02 1994/284:01:15:50.0 205.98 1994/284:01:15:56.9 205.98 1994/284:01:16:03.8 205.98