Title :
Recent Long-Distance Frequency Comparisons
Author_Institution :
Cruft Laboratory, Harvard University, Cambridge, Mass.
Keywords :
Atomic measurements; Calibration; Doppler effect; Frequency measurement; Instruments; Laboratories; Oscillators; Resonance; Signal to noise ratio; Transmitters;
Journal_Title :
Instrumentation, IRE Transactions on
DOI :
10.1109/IRE-I.1958.5006790
