22_KC_SONAR_1

Published:2009/7/23 22:48:00 Author:Jessie | From:SeekIC

key pulse allows Clapp oscillator to operate for 1 millisec at 22 kc, with keying 25 times per second.-L. H. Dulberger, Sonar to Survey Arctic Ocean Shelf Transmits Through Ice and Water, Electronics, 34:31, p 44-45.



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