Surfman,
The same can be said for navigation in the Med or Baltic Sea, etc. Dead
reckoning works ok until out of site of land, then currents, weather, etc.
screws it up. These Great Lakes are really inland seas and can be horrible
to navigate on due to the extreme weather and sea state changes.

Incidently, may I ask where you hale from?
Greg Luckett

"Surfman" wrote in message
...
I think you might be able to make a correction for your elevation. I
also am assuming and having never been much of a laker, that dead
reckoning would work. Can't be too long before you hit shore there no
matter where you are hey?

On Sat, 30 Aug 2003 06:31:32 GMT, "Matt Ashbrook"
wrote:

Just wondering...on the oceans, navigators use a sextant for out of sight
of
land navigation. How is it done on the Great Lakes where they're not
operating at sea level? Of course, I'm talking about the absenceof
electronics. Anyone know of any literature on this?

Thanks,
Matt A.






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