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Hi and welcome to the list.

I'm curious if the aircraft you fly have a dome fitted for celestial
navigation (which would usually include a hook to hang the bubble
sextant from). Otherwise you're probably going to have to determine the
refraction correction through the windscreen yourself (seems like I
read somewhere that WWII bomber navigators had to do that themselves
too (or at least confirm prior calculations), so maybe that's a
starting point for your research?).

Good luck and keep us posted on how your project progresses.

--
GregR


--- bubi352  wrote:

>
> I am new to this group and new to celestial navigation. I currently
> work as an airline pilot and fly extensively over water at night. I
> have developed a keen interest in determining my position the old
> fashion way.
>
> Could someone tell me which bubble sextant I should buy?
> What should I be looking on a bubble sextant?
> Where can I buy one?
>
> Thank you in advance.
>
> Bubi
>
> >
>


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