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: 172.22 Site Name: Giza,Egypt Site ID: TC0 No. of Ancillary Data Records: 26 GMT Roll Angle 1994/110:00:04:05.0 25.96 1994/110:00:04:11.8 25.96 1994/110:00:04:18.7 25.96 1994/110:00:04:25.6 25.96 1994/110:00:04:32.4 25.97 1994/110:00:04:39.3 25.99 1994/110:00:04:46.1 26.00 1994/110:00:04:53.0 26.01 1994/110:00:04:59.9 26.03 1994/110:00:05:06.7 26.04 1994/110:00:05:13.6 26.07 1994/110:00:05:20.4 26.09 1994/110:00:05:27.3 26.12 1994/110:00:05:34.2 26.13 1994/110:00:05:41.0 26.12 1994/110:00:05:47.9 26.10 1994/110:00:05:54.7 26.09 1994/110:00:06:01.6 26.07 1994/110:00:06:08.5 26.06 1994/110:00:06:15.3 26.05 1994/110:00:06:22.2 26.05 1994/110:00:06:29.0 26.05 1994/110:00:06:35.9 26.05 1994/110:00:06:42.8 26.04 1994/110:00:06:49.6 26.05 1994/110:00:06:56.5 26.05