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: 109.40 Site Name: Rabaul Volcano Site ID: G1T No. of Ancillary Data Records: 18 GMT Roll Angle 1994/280:03:47:28.0 26.08 1994/280:03:47:34.8 26.08 1994/280:03:47:41.7 26.09 1994/280:03:47:48.6 26.07 1994/280:03:47:55.5 26.06 1994/280:03:48:02.3 26.06 1994/280:03:48:09.2 26.06 1994/280:03:48:16.1 26.06 1994/280:03:48:22.9 26.07 1994/280:03:48:29.8 26.08 1994/280:03:48:36.7 26.09 1994/280:03:48:43.6 26.08 1994/280:03:48:50.4 26.05 1994/280:03:48:57.3 26.03 1994/280:03:49:04.2 26.02 1994/280:03:49:11.0 26.01 1994/280:03:49:17.9 26.00 1994/280:03:49:24.8 25.98