Comparison of 3 different GNSS solutions at 3 sites: SANT, CHPI and RIO2. (A) (left panel) detrended North-East-Up components of position time series of NGL (green dots), Repro3 (blue dots) and our solution (red dots). (B) (right panel) Lomb-Scargle periodograms of the 3 solutions at the same 3 sites. For each stations, the same period is used to estimate the trend and compute the WMRS and periodogram (SANT:2000–2010; CHPI:2003–2021, BRAZ:2007–2012). Stations locations are depicted in Figure 1.