THE UNIVERSITY OF MICHIGAN LIRRADIES

UNITED STATES DEPARTMENT OF COMMERCE⚫ John T. Connor, Secretary
NATIONAL BUREAU OF STANDARDS A. V. Astin, Director

NBS TECHNICAL NOTE 341

ISSUED JUNE 22, 1966

THE LONG-TERM PERFORMANCE OF TWO RUBIDIUM
VAPOR FREQUENCY STANDARDS

B. E. BLAIR AND A. H. MORGAN

Radio Standards Laboratory
Institute for Basic Standards
National Bureau of Standards
Boulder, Colorado

NBS Technical Notes are designed to supplement the
Bureau's regular publications program. They provide a
means for making available scientific data that are of
transient or limited interest. Technical Notes may be
listed or referred to in the open literature.

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