NavList:

Indeed - collaboration is a wonderful thing.
I look forward to further postings of some of the references if someone can look them up and transcribe them here. There appears to be a wealth of navigation information in these references which is probably untapped as yet here on this forum.
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In particular there are a set of papers by Lampkin and Randle of NASA involving experimentation of practical navigation, presumably as part of the space program in the 1960s.
Another reference by Silva Jorris and Vallerie (#29) mentions 'initial results of the Air Force space Navigation results on Gemini'.

Clearly there was a lot of interest in manual navigation accuracy at this time in NASA.
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The Lampkin and Randle references will be of great interest here I suspect:-:-

Ref 18: 'Sextant sighting performance for space navigation using simulated and real celestial targets'.

Ref19: 'Navigator performance using a hand-held sextant to measure the angle between a a moving flashing light and a simulated star'.

Ref 20: 'Investigation of a manual sextant sighting task in the Ames midcourse navigation and guidance simulator'. 1965

Ref 24: same as 20. 1964.

Ref 25: ... sextant sighting performance in measuring angle between a stationary star and stationary blinking light.

Ref 26: 'The effects of irradiation and star magnitude on sextant sighting performance'.

This latter Ref #26 will be interesting to compare results with the Haines and Allen paper of 1968/9.

Douglas Denny.
Chichester. England.
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