UTC(IT)-GPS=-15s

---------------------------------
MJD    x [ns] y [10E-13]
---------------------------------
55805 -12.0   0.2
55806 -12.7   0.1
55807 -15.4   0.3
55808 -15.8   0.0
55809 -15.9   0.0
55810 -15.5   0.0
55811 -15.2   0.0
55812 -12.8  -0.3
55813 -12.0  -0.1
55814 -10.3  -0.2
55815 -14.7   0.5
55816 -18.7   0.5
55817  -9.4  -1.1
55818  -7.9  -0.2
55819  -6.1  -0.2
55820  -5.9   0.0
55821  -4.3  -0.2
55822  -0.1  -0.5
55823  -4.1   0.5
55824  -5.2   0.1
55825  -2.1  -0.4
55826  -0.2  -0.2
55827  -1.0   0.1
55828  -2.4   0.2
55829  -2.4   0.0
55830  -3.6   0.1
55831  -4.3   0.1
55832  -5.7   0.2
55833  -7.4   0.2
55834  -7.3   0.0