UTC(IT)-GPS=-15s

---------------------------------
MJD    x [ns] y [10E-13]
---------------------------------
55409 -26.7  -0.2
55410 -25.2  -0.2
55411 -22.5  -0.3
55412 -20.1  -0.3
55413 -20.3   0.0
55414 -21.3   0.1
55415 -23.0   0.2
55416 -23.2   0.0
55417 -22.0  -0.1
55418 -19.3  -0.3
55419 -19.7   0.1
55420 -20.1   0.0
55421 -22.3   0.3
55422 -22.8   0.1
55423 -21.8  -0.1
55424 -20.0  -0.2
55425 -19.6   0.0
55426 -18.4  -0.1
55427 -18.0  -0.1
55428 -19.3   0.2
55429 -21.3   0.2
55430 -22.1   0.1
55431 -21.0  -0.1
55432 -20.6  -0.1
55433 -20.3   0.0
55434 -20.7   0.0
55435 -21.6   0.1
55436 -24.1   0.3
55437 -24.4   0.0
55438 -24.3   0.0
55439 -24.2   0.0