Extended Data Fig. 2: Car set-up and TGV site.
From: A hybrid optical–wireless network for decimetre-level terrestrial positioning

The Rx antenna and two 360° prisms are mounted onto the roof of a car. In the background part of the TGV test site is visible (viewing direction is south east). The various Tx-i antennas are indicated, as well as the two total stations. Tx-2 is hidden from the view by tree branches.