Next message: Frank Reed: "Re: GPS shortcomings."
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:
>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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