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Subject: Re: accuracy of automatic celestial navigation
From: Dan Allen (danallen46@XXX.XXX)
Date: Sat Dec 07 2002 - 00:41:41 EST
On Friday, December 6, 2002, at 01:32 PM, Paul Hirose wrote:
> https://www.peterson.af.mil/GPS_Support/documents/
> masternav_timing_plan.pdf
> (a) Description. Using fully-developed space-tested astro-trackers,
> the advanced celestial navigator (ACN) will provide day and night
> celestial navigation in partially obscured skies. The highly sensitive
> charged coupled devices, operating in the near infrared, will be able
> to define angles to celestial bodies to within 1 arcsecond, a
> sixty-fold improvement over the current hand-held visual system.
> Celestial fixes to within 30 meters will be common. For aircraft,
> altitudes to 100 feet are realizable.
Neat stuff! I wish we could see something commercial that would be a
digital sextant. Hey, Celestaire helped get the Astra IIIb made, and
Celestaire is not too far from Garmin (both are in Kansas) -- perhaps
Celestaire could work with and commission Garmin to do an ACN for the
rest of us!
Dan
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