[PSUBS-MAILIST] Once again

["George Slaterpryce" <gslaterp@hotmail.com>]

Once again I come unto you the great PSubbers community with my Thoughts, 
Musings and questions. Ye, Verilly... or something.

First thought, Problem, location underwater. How to ascertain the exact (or 
as near as exact) location of an object under water such as a sub. Problem 
is I don't know how deep you can reliabley get a GPS signal. So I thought of 
this solution that may not be the most elegant but I think it would get the 
job done pretty well.

GPS Bouy on a teather released form depth to the surface.
You know the depth to the surface, so whatever line you released over the 
depth would be your varience. From there you could get the GPS location, 
calculate two more points on a circle path, then find the center point of 
that, which would give you your GPS location. (Illustration below)

(or if you can't see them) 
http://www.captovis.com/marine/designsketches/uwloco.png and 
http://www.captovis.com/marine/designsketches/uwloco2.png

Seem like a good idea to anybody else? comments? Detractions? Improvements?

George Slaterpryce 



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