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) 52316.00 -156158 422291 -1450693 5103 110 174 517 137 0 0 0 1822 3599 83 105 52317.00 -154259 426973 -1456273 6058 113 1093 524 106 0 0 0 1589 3132 281 317