Albatross race update

To: Bill Stent <>
Subject: Albatross race update
From: Andrew Taylor <>
Date: Fri, 21 May 2004 15:03:28 +1000
On Fri, May 21, 2004 at 11:55:44AM +1000, Bill Stent wrote:
> (This is assuming that a
> drowned albatross' transponder is capable of sending a signal through
> several metres of water, but I do hear from a diving friend that you can use
> GPS under water.  Technicalities of this are beyond me, but have things to
> do with signal strength, etc.)

The conductivity of seawater means that the albatross's satellite
transmitters won't work through seawater (a friend satellite-tracks
crocodiles).  Your diving friend is wrong too, GPS receivers won't work
under seawater.  Divers do  float the GPS or an antenna on a buoy at
the surface.


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