NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: "Improved" sextants
From: Alexandre Eremenko
Date: 2006 Jul 4, 16:43 -0500
Lu,
> In my original note I speculated on two way to do this -- one by sonar
> ranging to the water's surface, the other by actually lowering a device
> to the surface of the water.
When I recently traveled on a small boat,
I just took a rope, lowered its end to water,
and measured with the ordinary ruler.
This gave excellent results:-)
Alex.
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From: Alexandre Eremenko
Date: 2006 Jul 4, 16:43 -0500
Lu,
> In my original note I speculated on two way to do this -- one by sonar
> ranging to the water's surface, the other by actually lowering a device
> to the surface of the water.
When I recently traveled on a small boat,
I just took a rope, lowered its end to water,
and measured with the ordinary ruler.
This gave excellent results:-)
Alex.
--~--~---------~--~----~------------~-------~--~----~
To post to this group, send email to NavList@fer3.com
To , send email to NavList-@fer3.com
-~----------~----~----~----~------~----~------~--~---