EPIRB DELAYS

Submitted: Thursday, Jan 15, 2009 at 10:33
ThreadID: 65135 Views:3757 Replies:7 FollowUps:7
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Just reading about the new epirbs and came across this....
'The Australian Maritime Safety Authority warns that from February 1 the 121.5MHz EPIRBs would no longer be detected by satellite.

They would only be detected by aircraft still using that frequency, and then only if the plane flew directly overhead.

The 406MHz system has more power, provides rescuers with a more accurate location and notifies emergency services of a beacon activation within 90 minutes, as opposed to up to five hours on the old system.

90 minutes from the time u activate it....my question is..
why does that take so long???They work of satilites dont
they ??
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