https://www.marine-pilots.com/articles/1212545-ais-hub-for-pilot-boats-eight-pilots-simultaneously?RL=Y
AIS Hub for Pilot Boats - Eight Pilots simultaneously - Marine-Pilots.com
TRENZ VEGA - Up to eight pilots simultaneously shall be provided with an AIS data stream in a pilot boat with information for their next assignment.
ais hubfor pilotboatseightpilots