Spotted some Pilot Boats in the Port of Auckland, New Zealand and Melbourne & Fremantle Australia (Port codes: Auckland:NZ AKL ; Melbourne:AU MEL ; Fremantle:AU FRE).
32x real-time. Footage by Tim Gourlay (www.perthhydro.com) during April 2016 GNSS ship motion trials with the Centre for Marine Science and Technology, Curtin University, and Fremantle Ports.