Title :
The NPL Frequency Standard
Author :
Essen, L. ; Steele, J.McA. ; Sutcliffe, D.
Keywords :
Communication standards; Frequency measurement; Laboratories; Magnetic shielding; Measurement standards; Ovens; Resonance; Standards publication; Time measurement; Waveguide discontinuities;
Conference_Titel :
18th Annual Symposium on Frequency Control. 1964
DOI :
10.1109/FREQ.1964.199546