(a) DCF analysis between the PA and the core flux density. The grey dotted and dash-dotted lines show the 2σ and 3σ significance levels, respectively. (b) Core flux density vs. inner jet PA plot. Each panel displays the data between 1996 and 2010 (left) and between 2010 and 2025 (right). We use changing colors to show the time sequence: grey denotes the values from all observing epochs, purple to dark blue to clear blue denotes the data observed between 1996, 2002, and 2010, while green to orange to red between 2010, 2017, and 2020.