VERY-LOW-FREQUENCY PROPAGATION RESEARCH Open PDF Document Details Document Type Technical Report Publication Date Nov 30, 1963 Accession Number AD0348726 Entities Organizations Sylvania Electric Products Tags Communities of Interest Advanced Electronics Air Platforms Energy and Power Technologies Space DTIC Thesaurus Topics Contracts Diurnal Variations Electromagnetic Wave Propagation Electronics Laboratories Extremely Low Frequency Frequency Frequency Bands Government Procurement Lightning Magnetic Fields Radiation Radio Waves Resonance Resonant Frequency United States Very Low Frequency Waves