version 2 Source: Xpole,Ypole,Xrt,Yrt,LOD: weighted average of centres; UT1-UTC: integrated from the 5th day prior to Bull. A last non-predicted value. Orbits: to be used with the IGS Ultra Rapid Orbits (IGR) MJD Xpole Ypole UT1-UTC LOD Xsig Ysig UTsig LODsig Nr Nf Nt Xrt Yrt Xrtsig Yrtsig (10**-6") (0.1 usec) (10**-6") (0.1 usec) (10**-6"/d) (10**-6"/d) 53298.00 205813 386733 -4642443 74 64 55 239 56 0 0 0 -123 -2122 142 95 53299.00 205805 384614 -4643091 1488 125 94 267 229 0 0 0 40 -2047 43 68