Positive lane identification for Decca Navigator system; automatic method of determining ship position when ship enters Decca coverage from outside or where Decca receiver had been out of operation temporarily; under new system phase meter need not be set initially at known position within Decca coverage.
Improved navigational aid
Wireless World
Wireless World ; 56 , n 3
1950
Aufsatz (Zeitschrift)
Englisch
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