UTC(IT)-GPS=-15s

---------------------------------
MJD    x [ns] y [10E-13]
---------------------------------
55317 -33.7   0.0
55318 -34.3   0.1
55319 -31.0  -0.4
55320 -33.7   0.3
55321 -33.2  -0.1
55322 -31.4  -0.2
55323 -29.9  -0.2
55324 -29.8   0.0
55325 -31.1   0.1
55326 -31.4   0.0
55327 -32.8   0.2
55328 -34.6   0.2
55329 -37.9   0.4
55330 -41.2   0.4
55331 -42.4   0.1
55332 -42.7   0.0
55333 -42.5   0.0
55334 -43.2   0.1
55335 -42.5  -0.1
55336 -40.9  -0.2
55337 -39.8  -0.1
55338 -38.1  -0.2
55339 -35.7  -0.3
55340 -35.0  -0.1
55341 -35.7   0.1
55342 -35.6   0.0
55343 -37.0   0.2
55344 -37.7   0.1
55345 -36.9  -0.1
55346 -39.0   0.2
55347 -40.4   0.2