UTC(IT)-GPS=-15s

---------------------------------
MJD    x [ns] y [10E-13]
---------------------------------
55228 -23.7  -0.5
55229 -19.8  -0.5
55230 -18.5  -0.1
55231 -21.2   0.3
55232 -22.6   0.2
55233 -24.2   0.2
55234 -21.1  -0.4
55235 -27.8   0.8
55236 -28.6   0.1
55237 -30.9   0.3
55238 -33.9   0.4
55239 -35.1   0.1
55240 -38.0   0.3
55241 -33.7  -0.5
55242 -34.1   0.1
55243 -33.2  -0.1
55244 -34.3   0.1
55245 -33.9   0.0
55246 -37.1   0.4
55247 -35.9  -0.1
55248   -     -
55249   -     -
55250   -     -
55251 -32.6  -0.1
55252 -31.7  -0.1
55253 -33.8   0.2
55254 -34.0   0.0
55255 -30.4  -0.4