www.pudn.com > opengpssim.zip > ion_utc.dat

al0:                        1.000000e-07 
al1:                        0.000000e+00 
al2:                        2.093000e-04 
al3:                        0.000000e+00 
b0:                         72.000000 
b1:                         0.000000 
b2:                         0.000000 
b3:                         0.000000 
a0:                         0.000000 
a1:                         0.000000 
dtls:                       0.000000 
tot:                        0.000000 
WNt:                        0.000000 
WNlsf:                      0.000000 
DN:                         0.000000 
dtlsf:                      0.000000