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Re: Testing sextant arc error
From: Brad Morris
Date: 2017 Jan 20, 10:49 -0500
From: Brad Morris
Date: 2017 Jan 20, 10:49 -0500
Paul, you wrote
a "calibration standard" which isn't comfortably superior to the device under test.
I couldn't agree more. In general, the standard should be 5x, but ideally 10x, the required accuracy.
Moreover, I am still waiting for someone, anyone, to pipe up and state that "I've used star to star distances to calibrate. Here are the results". Is this much vaunted method only a myth, a theory?
Even if such a person exists, the discussion of aberration leads me to believe that the distances computed were likely wrong and therefore, the arc calibration not a calibration at all
Brad
