VLBA-BU-BLAZAR analysis of S5 0716+714. Left panel: separation of knots A1 (red), K14a (yellow), K14b (blue), and K15 (light blue) from the core A0 (black dotted line); the yellow and blue line segments on the position of A0 indicate the 1σ uncertainty of the ejection times of K14a and K14b, respectively. Right panel: light curves of the core A0 (black), stationary feature A1 (red), and moving knots K14a (yellow) and K14b (blue); flux densities of K14b are shifted by ∼0.1 Jy for clarity; vertical blue and red lines indicate time of passage of K14b through A0 and A1, respectively.