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: 121.30 Site Name: Moreno Glacier, Argentina Site ID: G0J No. of Ancillary Data Records: 18 GMT Roll Angle 1994/280:21:46:54.0 26.02 1994/280:21:47:00.8 26.01 1994/280:21:47:07.7 26.02 1994/280:21:47:14.6 26.03 1994/280:21:47:21.5 26.05 1994/280:21:47:28.3 26.08 1994/280:21:47:35.2 26.10 1994/280:21:47:42.1 26.13 1994/280:21:47:48.9 26.13 1994/280:21:47:55.8 26.11 1994/280:21:48:02.7 26.08 1994/280:21:48:09.5 26.07 1994/280:21:48:16.4 26.05 1994/280:21:48:23.3 26.05 1994/280:21:48:30.2 26.05 1994/280:21:48:37.0 26.03 1994/280:21:48:43.9 26.04 1994/280:21:48:50.8 26.05