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: 71.30 Site Name: Chickasha, Oklahoma Site ID: HS2 No. of Ancillary Data Records: 12 GMT Roll Angle 1994/277:19:23:00.0 25.99 1994/277:19:23:06.9 25.98 1994/277:19:23:13.7 26.00 1994/277:19:23:20.6 26.01 1994/277:19:23:27.5 26.02 1994/277:19:23:34.4 26.02 1994/277:19:23:41.2 26.04 1994/277:19:23:48.1 26.04 1994/277:19:23:55.0 26.06 1994/277:19:24:01.9 26.06 1994/277:19:24:08.8 26.08 1994/277:19:24:15.6 26.09