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:                      145.20
Site Name:                         Duke Forest, North Carolina    
Site ID:                           ES5
No. of Ancillary Data Records:     26

       GMT          Roll Angle

1994/108:08:13:60.0    25.99
         0.0000000
    1994.00
         25.9785004    0.00
1994/108:08:14:13.7    25.98
         0.0000000
    1994.00
         25.9728737    0.00
1994/108:08:14:27.4    25.97
         0.0000000
    1994.00
         25.9744949    0.00
1994/108:08:14:41.2    25.98
         0.0000000
    1994.00
         25.9767914    0.00
1994/108:08:14:54.9    25.98
         0.0000000
    1994.00
         25.9957466    0.00
1994/108:08:15:08.6    26.01
         0.0000000
    1994.00
         26.0225029    0.00
1994/108:08:15:22.3    26.04
         0.0000000
    1994.00
         26.0583115    0.00
1994/108:08:15:36.0    26.07
         0.0000000
    1994.00
         26.0616760    0.00
1994/108:08:15:49.8    26.05
         0.0000000
    1994.00
         26.0500488    0.00
1994/108:08:16:03.5    26.05
         0.0000000
    1994.00
         26.0457726    0.00
1994/108:08:16:17.2    26.05
         0.0000000
    1994.00
         26.0547485    0.00
1994/108:08:16:30.9    26.07
         0.0000000
    1994.00
         26.0654564    0.00
1994/108:08:16:44.6    26.07
         0.0000000
    1994.00
         26.0814095    0.00