Before revision: VMS software and devices for the fishing vessel include: Absolute Software AMS Argonet-vms CLS AST Ltd Globavista/Bluefinger/Thales BlueTraker Boatracs CLS America - Thorium VMS Faria Free Port - Eye from a sky Fulcrum Maritime Systems - Vessel Tracking, Fleet Tracking, Fisheries Monitoring Honeywell Maritime Systems - Inshore Vessel Monitoring System | URL | title = Fisheries Vessel Monitoring Systems </ref> Monicap Skymate SRT Marine System Solutions Thrane & Thrane VMS MetOcean Telematics iTrac VMS GMV Communications VMS units principally rely on global navigation satellite systems (GNSS) such as GPS for position and time information.
After revision: VMS software and devices for the fishing vessel include: Absolute Software AMS Argonet-vms CLS AST Ltd Globavista/Bluefinger/Thales BlueTraker Boatracs CLS America - Thorium VMS Faria Free Port - Eye from a sky Fulcrum Maritime Systems - Vessel Tracking, Fleet Tracking, Fisheries Monitoring Honeywell Maritime Systems - Inshore Vessel Monitoring System Monicap Skymate SRT Marine System Solutions Thrane & Thrane VMS MetOcean Telematics iTrac VMS GMV Communications VMS units principally rely on global navigation satellite systems (GNSS) such as GPS for position and time information.