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On Monday, March 20, 2017 at 8:48:05 AM UTC-7, Jeff Liebermann wrote:
On Mon, 20 Mar 2017 18:33:51 +0700, John B.
Way back when, I went to considerable effort to learn proper
navigation. Sextant, HO tables and lessons from the lead navigator in
a B-52 squadron. What sort of took the shine off the effort was when I
did the usual three shot position and got a "cocked hat"that was about
a mile and a half on each side. When I told the Major about it he
commented that I was doing real good. I replied that I didn't think
that a triangle that was a mile and a half on each side wasn't very
accurate he assured me that it was "pretty good for celestial
navigation.... which is why we don't use that for the B-52's" :-)
Accurate navigation with an aviation sextant is far more difficult
than marine navigation. If you were doing celestial or lunar
navigation on the ground, using an averaging bubble sextant artificial
horizon, I would say 1.5 miles was doing very good. If you were doing
it while flying, amazingly good.
Lookit that, 50 years later, you're finally exonerated.