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) 52394.00 63373 552833 -2106611 4867 201 68 357 217 0 0 0 3803 -485 168 114 52395.00 67319 552417 -2110598 3108 243 86 394 249 0 0 0 3667 -347 114 95