Fig. 2From: Troposphere delay modeling in SLR based on PMF, VMF3o, and meteorological dataTime series of horizontal gradients (mm) for the north and east components for Arequipa (7403) and Herstmonceux (7840) with the fit of the WGM for the period 2007–2018. The black solid line represents the annual signal fitted by least squares adjustment processBack to article page