“…As shown, these values are lower than 0.4 mm, excepting for those referred to PALE CORS. Indeed, for this station, the values are included within the range 2.9 -6.5 mm, but they are even in agreement with EPN recommendations suggesting the limits up to 10 -20 mm (Gülal et al, 2013). According to the strategy explained in section 3.3, after removing the outliers, reporting the time series within the range ±3σ, the behaviour of the CORS coordinates is mainly considered linear, in agreement with (Gülal et al, 2013) (Fig.…”