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: 55.40 Site Name: Chickasha, Oklahoma Site ID: HS2 No. of Ancillary Data Records: 15 GMT Roll Angle 1994/102:19:31:29.0 25.99 0.0000000 1994.00 26.0099144 0.00 1994/102:19:31:42.8 26.02 0.0000000 1994.00 26.0039940 0.00 1994/102:19:31:56.5 25.99 0.0000000 1994.00 25.9841995 0.00 1994/102:19:32:10.3 25.97 0.0000000 1994.00 25.9769859 0.00 1994/102:19:32:24.1 25.97 0.0000000 1994.00 25.9808731 0.00 1994/102:19:32:37.8 25.98 0.0000000 1994.00 25.9822655 0.00 1994/102:19:32:51.6 25.99 0.0000000 1994.00 25.9973450 0.00 1994/102:19:33:05.4 26.01