Title :
Atomic Hydrogen Standards for NASA Tracking Stations
Author :
Peters, H.E. ; Johnson, E.H. ; McGunigal, T.E.
Keywords :
Aircraft navigation; Frequency control; Hydrogen; Magnetic confinement; Magnetic fields; Masers; NASA; Prototypes; Space stations; Testing;
Conference_Titel :
23rd Annual Symposium on Frequency Control. 1969
DOI :
10.1109/FREQ.1969.199775