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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Simulation of manual control sextant problems in spacecraft navigation using fixed cockpit and analog computer with perturbation angle techniques
Optical-inertia space sextant for advanced space navigation system
Sextant sighting performance in measuring angle between stationary simulated star and stationary blinking light
Navigator sighting accuracy in midcourse guidance system for manned space flight, using simulated vehicle mounted space sextant
Manual control sextant sighting performance for space navigation, using simulated and real celestial targets
Gemini VII star sightings analyzed, using handheld space sextant in Gemini VI, discussing effect of bias, timing, angle measurement and trajectory errors
Analysis of sextant navigation measurements during lunar module rendezvous
Handheld space sextant and preflight battery charger and test equipment - operating manuals
Gemini VII star sightings analyzed, using handheld space sextant in Gemini VI, discussing effect of bias, timing angle measurement and trajectory errors
Hand-held sextant capability in in-flight spacecraft navigation measurements
Midcourse navigation and guidance simulator - sextant sighting performance in simulated environment
Factors affecting design and use of photographic sextant for space navigation
Navigator performance using hand held sextant to measure angle between moving flashing light and simulated star - space navigation
Mechanical, optical, and electrical characteristics of hand-held sextant for space flight
Telescope objective lens size, aperture size, and magnification effects on operator performance using marine sextants
Effects of irradiation and star magnitude on sextant sighting performance
Hand held sextant capability in in-flight spacecraft navigation measurements
Sextant sighting measurements from on board Gemini 12 spacecraft