Re: Radar underwater

On Fri, 25 Feb 2000 11:54:14 +1000, dadams@parracity.nsw.gov.au writes:
>G'day all.
>
>Beth commented about sonar underwater (thermocline and other fun
things). What
>is the effects of Radar underwater?
>
>Because SGII/DSII vehicals can operateate under or on water, would
these
>vehicles need dedicated sonar, or use their standard radar?
>

I believe that water absorbes radar quite well.  One of the reasons
modern subs don't use it, except on the surface.  In fact, water does
a number of most EM radiation.	Radio doesn't work under water, etc.

-=- Matthew L. Seidl		email: seidl@cs.colorado.edu		
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