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There is a good little unit available from Sea Marshall, the PLB model which is water resistant but an additional waterproff "TuffBox" is available for diving. The complete unit is about 5x4x3 inches and is waterproof to something like 100 metres with the later version of the TuffBox. It transmits on the international ditress frequency and is picked up by commerical shipping, aircraft and air sea rescue as well as satellites. The range is limited but a damn sight better than drifting for days at sea. Please note. It is vital to clean the o ring in the tuffbox after every dive or it will leak which will kill the unit. The battery is a standard PP3 and is user changable, once per season is okay. They are common amongst UK wreck divers due to tidal drift problems on deco. ----- Original Message ----- From: David Reinhard <reinhard@oc*.co*.au*> To: <techdiver@aquanaut.com> Sent: Saturday, February 19, 2000 12:25 AM Subject: EPIRBs > Hi Guys, > I believe it is possible to get small personal EPIRBs, and with the > number of divers lately who have been left behind or drifted off in > currents I have been wondering about their use in diving. I recognise that > it would be best to ensure you don't get into this kind of situation but > things can go wrong even with the best planning. > I confess to having very little knowledge of how EPIRBs work so > some questions if anyone can help me: > > - roughly what size are they? > - what sort of depth rating would they have or do they require a housing? > - would batteries be user replacable > - are these small units "powerful" enough to do the job (ie signal strength > - or does the signal go via satellite)? > - when an EPIRB is activated who actually receives the signal? > - are any/many divers using them (if not why not?) > - any particular brands better than others (any web sites)? > > Sorry if my questions are a bit naive but i am just trying to find out if > this is a useful concept or not. > > Thanks, > Dave. > -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- > Ocean Internet - "The Quality ISP" > http://www.ocean.com.au/info.html > > -- > Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. > Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'. -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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