4/7 HAARP Detection & Imagine of Underground Structures Using ELF/VLF Radio Waves





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Uploaded on Apr 4, 2009

Angels Don't Play this HAARP, Update - Dr. Nick Begich
ELF/VLF radio waves penetrate deeply beneath the surface of the earth and interact with the geologic structure of the earth. This interaction induces secondary fields with measurable effect at and above the surface of the earth. Proper understanding of the physics of the generation and propagation of ELF/VLF waves and their interactions with earth materials will allow these waves to be used for applications such as sub-surface communications and exploration of the subsurface geological structure. The research called for under this effort is to assess the viability of exploiting the concept of electromagnetic induction to detect and image subterranean features such as tunnels, bunkers, and other potential military targets.

Geophysical surveying using natural ELF/VLF sources, such as lightning or auroral generated signals, is an established procedure. In general, however, the procedure has been developed with the interest in locating areas of highly conductive material such as metal ore deposits.

There are many significant issues that need to be resolved, however, before the concept can be evaluated for military applications such as detection of underground structures. These issues can be divided into six primary topics: (1) the physics of, and methods for modeling the generation of ELF/VLF waves from various sources; (2) methods for measuring ELF/VLF field components in a covert manner; (3) methods for modeling and characterizing ELF/VLF wave propagation including the effects of surface topography and subsurface terrestrial properties; (4) the physics of the propagation and attenuation of the secondary fields above the earth's surface; (5) procedures and algorithms for inverting measured electromagnetic field information to obtain subterranean conductivity structure particularly aimed at identifying and characterizing man-made structures or natural voids; and (6) algorithms for producing unambiguous detection and classification of underground voids or structures in the presence of geological noise and clutter.

The Space Effects Division of the Phillips Laboratory Geophysics Directorate is interested in receiving proposals related to the theoretical understanding and practical development and demonstration of techniques for the detection of underground structures using ELF/VLF radio waves generated by natural and man-made sources. Issues to be examined by the proposers include: methods for measuring ELF/VLF field components by covert means; methods for characterizing, and interpreting ELF/VLF wave generation and propagation, including the effects of surface topography and subsurface geophysical properties; procedures for inverting the electromagnetic field properties to obtain realistic, depth-dependent geophysical parameters with particular interest in identifying man-made structures and natural voids within the surrounding geology; and algorithm development for the unambiguous detection of underground voids or man-made structures in the presence of real-world geophysical noise and clutter.

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