MOB trans­mit­ters

Yachting Monthly - - TECHNICAL -

If you’re plan­ning to un­der­take a lengthy passage or ocean cross­ing you might be in­ter­ested in other types of lo­cal per­sonal MOB trans­mit­ter, such as Ray­ma­rine’s LifeTag (ray­ma­rine. com) sys­tem whereby each crewmem­ber has a minia­ture bea­con at­tached to them that con­tin­u­ously trans­mits a sig­nal to an on­board re­ceiver. Should any tag not ‘re­port in’ at reg­u­lar in­ter­vals (ie. drops out of range) then the base sta­tion as­sumes the per­son has gone over­board and emits an au­di­ble alarm.

A sim­i­lar sys­tem, CrewWatche­r’s Pan Pan de­vice (crewwatche­r. com), has also been re­cently launched. This works in a sim­i­lar way to the LifeTag, only it uses an app on a smart­phone to alert the rest of the crew. All well and good pro­vided your smart­phone’s bat­tery isn’t flat.

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