FIELD STRENGTH RECORDER FOR VERY LOW FREQUENCIES Open PDF Document Details Document Type Technical Report Publication Date Feb 11, 1963 Accession Number AD0404575 Entities People J. C. Hanselman Organizations Navy Electronics Laboratory Tags Communities of Interest Advanced Electronics Energy and Power Technologies Weapons Technologies DTIC Thesaurus Topics Amplifiers Bandwidth Cathode Followers Detectors Frequency Generators Hyperbolic Navigation Impedance Local Oscillators Phase Detectors Plastic Explosives Radio Frequency Radio Frequency Amplifiers Resonant Circuits Test And Evaluation Tuned Circuits Voltage Amplifiers