Probing a southern hemisphere VLBI Intensive baseline configuration for UT1 determination

Earth, Planets and Space

Table 1 Mean and median values of the number of observations normalised by the number of baselines (#obs), of the formal errors of the observations (\(\sigma _{\mathrm {obs}}\)) and of the formal errors of the UT1−UTC estimates (\(\sigma _{\mathrm {UT1}}\))

Series	Mean	Median	Mean	Median	Mean	Median
Series	#obs	#obs	\(\sigma _{\mathrm {obs}}\) [ps]	\(\sigma _{\mathrm {obs}}\) [ps]	\(\sigma _{\mathrm {UT1}}\) [µs]	\(\sigma _{\mathrm {UT1}}\) [µs]
SI scheduled	35	34	–	–	–	–
SI simulated	35	34	–	–	10	10
SI vie	28	29	36	32	12	10
INT1/3 vie	20	18	36	30	12	11
RI vie	21	21	14	11	19	16