NavList:

George Huxtable wrote:
> By jove; if trees fill your surroundings to near 60 degrees elevation,
> it must be pretty dark in there.

There aren't trees in every direction, or always up to 60 degrees, but
they do restrict visibility quite a bit.  For that matter, my GPS
takes a long time acquiring a signal too.

Paul Hirose wrote:
> Back in January 2003 I posted some results with my two bubble sextants
> to the old Nav-L mailing list:
>
> http://www.i-DEADLINK-com/lists/navigation/0301/
>
> The first is at the top of the page, and there's another posting about
> halfway down ("A-12 & Kollsman test results").

Thanks - that's exactly the sort of thing I was looking for.

Actually, there's a lot of good discussion at that web site that
didn't turn up in my Google searches.  They must not be permitting
Google to index.  Is there a particular reason for that?

Thanks to everyone for all your very detailed answers - you have given
me a lot to think about.

(By the way, I've learned my son in law happens to have some mercury,
so I might give that a try.)

          - Jim Van Zandt

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