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: 72.50 Site Name: Sonora, Mexico Site ID: G49 No. of Ancillary Data Records: 36 GMT Roll Angle 1994/103:20:42:09.0 206.07 0.0000000 1994.00 206.0880280 0.00 1994/103:20:42:22.7 206.10 0.0000000 1994.00 206.1154938 0.00 1994/103:20:42:36.5 206.11 0.0000000 1994.00 206.0979462 0.00 1994/103:20:42:50.3 206.09 0.0000000 1994.00 206.0812683 0.00 1994/103:20:43:04.0 206.08 0.0000000 1994.00 206.0789337 0.00 1994/103:20:43:17.8 206.08 0.0000000 1994.00 206.0827789 0.00 1994/103:20:43:31.6 206.09 0.0000000 1994.00 206.0974274 0.00 1994/103:20:43:45.3 206.08 0.0000000 1994.00 206.0568390 0.00 1994/103:20:43:59.1 206.04 0.0000000 1994.00 206.0247498 0.00 1994/103:20:44:12.8 206.02 0.0000000 1994.00 206.0060425 0.00 1994/103:20:44:26.6 206.00 0.0000000 1994.00 205.9977722 0.00 1994/103:20:44:40.4 206.00 0.0000000 1994.00 206.0000153 0.00 1994/103:20:44:54.1 206.01 0.0000000 1994.00 206.0148621 0.00 1994/103:20:45:07.9 206.03 0.0000000 1994.00 206.0295868 0.00 1994/103:20:45:21.7 206.03 0.0000000 1994.00 206.0319366 0.00 1994/103:20:45:35.4 206.04 0.0000000 1994.00 206.0470428 0.00 1994/103:20:45:49.2 206.03 0.0000000 1994.00 206.0223389 0.00 1994/103:20:46:02.9 206.01 0.0000000 1994.00 206.0125885 0.00