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Among professionals, better tools are recognized as better and poor tools
are recognized for what they are, not as good. That doesn�t mean that you
can�t get results with poor tools, it�s just harder to get great results
with them.
Robert Gainer


>From: Jared Sherman 
>Reply-To: Navigation Mailing List 
>To: NAVIGATION-L@LISTSERV.WEBKAHUNA.COM
>Subject: Re: GPS shortcomings.
>Date: Sat, 11 Jun 2005 11:22:29 -0400
>
>What I'd heard from many sources (which doesn't mean it is true) is that
>the
>Davis, and all plastic sextants, suffer more from thermal changes in the
>material than metal sextants. Supposedly taking it out from below decks and
>letting it heat up in the sun will throw the index error out more than it
>would with a metal sextant.
>
>But in theory a good navigator would allow a sextant to acclimate to
>heat/cold and then recheck the index error before using it. Perhaps it is
>bad habits that give it the bad rep?

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