All-magnetic PCM telemetry : a review of the system breadboard /

by Heckler, C. H.
Washington, D.C. : National Aeronautics and Space Administration, 1966

Feasibility breadboard of an all-magnetic PCM telemetry system /

by Heckler, C. H.
Washington, D.C. : Springfield, Va. : National Aeronautics and Space Administration ; For sale by the Clearinghouse for Federal Scientific and Technical Information, 1966