SONAR RESEARCH. PART 1 Open PDF Document Details Document Type Technical Report Publication Date Jun 01, 1953 Accession Number AD0034734 Entities Organizations Woods Hole Oceanographic Institution Tags Communities of Interest Ground and Sea Platforms DTIC Thesaurus Topics Acoustics Ambient Noise Amplifiers Echo Ranging Electronic Components Engineering Fish Geography Magnetic Tape Measurement New England New York Oceans Rhode Island Scattering Sonar Tape Recording