Niitek, Inc.

Chemring Sensors and Electronic Systems, Inc.

Chemring Sensors and Electronics Systems, Inc.

Ali Etebari

Jason T Wolfson

Mark Hibbard

Brian A Whaley

Jason Wolfson

A radar array comprising a panel, the panel comprising a top side and a bottom side; a plurality of high-frequency antennas coupled into a high-frequency array coupled to the panel; at least one low-frequency resistive vee dipole transmitting antenna; and at least one low-frequency resistive vee dipole receiving antenna, wherein the at least one low-frequency resistive vee dipole transmitting antenna and the at least one low-frequency resistive vee dipole receiving antenna are coupled into a low-frequency array.

Large resistive vee dipole antenna combined with vee dipole array

A hybrid ground penetrating radar (GPR)/metal detector (MD) head includes a V-dipole GPR antenna and transmit and receive MD coils. One of the MD coils is arranged in a quadrupole configuration with a crossbar, and the V-dipole antenna is perpendicular to the crossbar. The legs of the V-dipole antenna may straddle the crossbar or may be on one side of the crossbar. The MD coils may be fabricated on a printed circuit board, which may be at a non-normal angle with respect to a central axis of the V-dipole antenna.

Metal detector and ground-penetrating radar hybrid head and manufacturing method thereof

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Leesburg, VA, United States of America

Ali Etebari