Which of the following systems is an example of a Local Positioning Reference System?

The correct choice highlights a set of systems that are classified as Local Positioning Reference Systems. These systems are designed to provide position information in a localized context, typically when global systems like GPS might be unreliable or unavailable.

Artemis, Taut Wire, FMCW Radar, and Laser represent technologies that are capable of measuring distances and positioning in proximity to a vessel. For instance, Taut Wire systems engage a wire that can determine the vessel's position relative to a fixed point, while FMCW Radar can provide precise range measurements essential for maintaining position in close quarters. Laser systems similarly utilize direct measurements to ascertain position with high accuracy.

The reason this set stands out is that each of these systems excels in providing accurate positioning data in challenging environments, such as near the shore, in busy ports, or when operating near other vessels, which is essential for safe navigation and maneuvering.

The other options include systems primarily used for broader navigational purposes or those relying on global positioning systems, which would not qualify as local positioning systems. Therefore, this grouping clearly represents the technology used to enhance positional awareness in localized scenarios, distinguishing it from more global navigation technologies.