Title :
Modern Carrier Current Test Equipment and Its Application
Author_Institution :
Pacific Gas and Electric Company, San Francisco, Calif.
Keywords :
Circuits; Frequency measurement; Frequency modulation; Instruments; Lifting equipment; Oscillators; Substations; Telephony; Test equipment; Voltmeters;
Journal_Title :
American Institute of Electrical Engineers, Transactions of the
DOI :
10.1109/T-AIEE.1950.5060226
