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> Which is generated using *electronic* computers.    Darn, where are
> those 19th century logarithm tables when we need them!!  :-P

The purists among us would probably insist on using Napier's Bones to
do the calculations....  ;-)

--
GregR


--- Lu Abel  wrote:

>
> Fred Hebard wrote:
> > On Jan 2, 2008, at 2:07 PM, Lu Abel wrote:
> >
> >
> >>
> >> Greg R. wrote:
> >>
> >>> --- frankreed@HistoricalAtlas.net wrote:
> >>>
> >>>
> >>>
> >>>> What do you think he's talking about?
> >>>>
> >>>>
> >>> Obviously someone who hasn't had a major electrical/electronics
> >>> failure
> >>> while out on the open ocean...  ;-)
> >>>
> >>>
> >> Would that include my quartz crystal controlled watch?
> >>
> >> I truly believe in the adage that a good navigator has two or more
> >> sources of positional information available.   And only a fool
> >> would go
> >> offshore with a single GPS set, even if it were integrated into
> the
> >> fanciest electronic charting system.
> >>
> >> But I can't figure out why the "can't trust electronics, gotta use
> >> celestial" crowd seems perfectly happy with electronic
> chronometers
> >> (synchronized, of course, by listening to WWV or BBC), and perhaps
>
> >> even
> >> reducing their sights using a calculator.   Those electronics are
> >> subject to exactly the same failure modes as GPS sets.
> >>
> >
> > The answer leads us back to the subject: lunars.  Of course you
> have
> > to trust the Nautical Almanac, but....
> >
> > Fred Hebard
> >
> Which is generated using *electronic* computers.    Darn, where are
> those 19th century logarithm tables when we need them!!  :-P
>
> >
>


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