UTC(IT)-GPS=-15s

---------------------------------
MJD    x [ns] y [10E-13]
---------------------------------
55348 -40.5   0.0
55349 -38.4  -0.3
55350 -36.8  -0.2
55351 -34.7  -0.2
55352 -36.4   0.2
55353 -35.0  -0.2
55354 -34.4  -0.1
55355 -35.7   0.2
55356 -34.2  -0.2
55357 -32.6  -0.2
55358 -33.2   0.1
55359 -33.6   0.0
55360 -34.7   0.1
55361 -37.7   0.4
55362 -35.4  -0.3
55363 -34.0  -0.2
55364 -30.7  -0.4
55365 -30.6   0.0
55366 -31.3   0.1
55367 -31.2   0.0
55368 -30.4  -0.1
55369 -29.0  -0.2
55370 -28.4  -0.1
55371 -28.6   0.0
55372 -27.8  -0.1
55373 -27.5   0.0
55374 -29.2   0.2
55375 -27.4  -0.2
55376 -25.9  -0.2
55377 -23.6  -0.3