Seismic and Electromagnetic Tunnel Detection Investigation

This report describes the major areas of tunnel detection investigations conducted by USAMERDC during the period December 1966 through December 1969. A short discussion of the tunnel problem is presented, and two technical approaches, seismic and electromagnetic, are discussed. Both seismic and elec...

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Bibliographic Details
Main Author: Knauf, Henry F
Format: Report
Language:English
Subjects:
Active & Passive Radar Detection & Equipment
ANOMALIES
DETECTORS
ELECTROMAGNETIC FIELDS
HISTOGRAMS
RADAR DETECTION
SEISMIC DETECTION
Seismic Detection and Detectors
SEISMIC SIGNATURES
SUBSURFACE
TUNNEL DETECTION
TUNNELS
UNCONVENTIONAL WARFARE
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Description
Summary:This report describes the major areas of tunnel detection investigations conducted by USAMERDC during the period December 1966 through December 1969. A short discussion of the tunnel problem is presented, and two technical approaches, seismic and electromagnetic, are discussed. Both seismic and electromagnetic detector systems were developed and evaluation tests were conducted to determine capabilities and limitations of the devices. The nature of the problem addressed, i.e., detection of subsurface voids located in vegetative areas, does not lend itself to the successful deployment of the systems developed; however, the basis for future development has been established. Operational parameters of the systems are presented in the appendices.