Mariner Mars 1969 optical approach navigation
Optical approach navigation experiment on 1969 Mariner mission to Mars demonstrating accuracy potential of spacecraft-based measurement
Breckenridge, W. G.↗
Engineering topics
Breckenridge, W. G.
Publications and source records attributed to Breckenridge, W. G..
Investigation of planetary navigation using spacecraft-based measurements.
Planetary navigation using spacecraft measurements and Doppler data from earth-based radio tracking, determining accuracy for earth-Mars trajectory
Breckenridge, W. G.↗