Automatic tuning of hydrogen masers
- 1 April 1967
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in Proceedings of the IEEE
- Vol. 55 (4) , 551-552
- https://doi.org/10.1109/PROC.1967.5577
Abstract
Beam-intensity modulation based on varying the power of the hydrogen RF-discharge was used in an automatic tuning system. Two hydrogen masers were tuned automatically and simultaneously. Their beat frequency was measured to have a long-term stability of 3 × 10-13.Keywords
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