A HIGH ALTITUDE ACOUSTIC SENSING SYSTEM Open PDF Document Details Document Type Technical Report Publication Date Dec 01, 1959 Accession Number AD0230726 Entities People George Q. Clark John W. Coffman Willis L. Webb Tags Communities of Interest Advanced Electronics Energy and Power Technologies Sensors Weapons Technologies DTIC Thesaurus Topics Acoustic Detectors Air Force Altitude Barometric Pressure Detectors Diagrams Ground Stations Instrumentation Military Research New Mexico Power Supplies Production Recording Systems Sound Ranging Tape Recorders Transmitters Wave Propagation