GMDSS sits across the bridge and technical departments. The bridge operates the equipment and maintains the radio record; the ETO looks after its power, batteries and technical condition.
A technician's guide to choosing, commissioning and supporting an internal yacht radio system, with practical comparisons of DMR and TETRA architecture, coverage, resilience and emergency operation.
Runbook overview for loss of voice, internet, or safety communications during passage, covering prioritisation, fallback paths, escalation, and evidence capture.