Hydrogen maser research achievements at MSFC
Hydrogen maser for precision tracking system in application to spacecraft trajectories
CESIUM↗
Engineering topics
Gregory, J. G.
Publications and source records attributed to Gregory, J. G..
Communication systems research at MSFC
Communication system research on hydrogen maser, solid state image converter, and telemetry signal propagation
IMAGE CONVERTER↗
Hydrogen maser research achievements at MSFC
Hydrogen maser potential as stable frequency reference for precision tracking systems
TRACKING SYSTEM↗