Vesper Marine announce successful completion of the demonstration of its Virtual AIS Beacon Technology to a who’s who of California-based professional and port authority organizations. A proven technology currently being used in applications around the globe, the Vesper Virtual AIS Beacon delivers a proactive electronic marker of dangerous visible and invisible hazards such as bridges, piers, rock outcrops, and reefs, as well as any underwater fixed or moving hazards such as sandbars, to provide location information and alert warnings.