DEVICE FOR DETERMINING DIRECTION TO SIGNAL SOURCE Russian patent published in 2015 - IPC H03F9/00 G01S3/02 

FIELD: measurement equipment.

SUBSTANCE: device includes the first magnetic antenna oriented in north-south direction, the second magnetic antenna oriented in west-east direction, the third magnetic antenna with a circular directivity pattern, an electrical antenna, a shaper, the first, the second, the third and the fourth amplifiers, the first, the second, the third, the fourth and the fifth ADC, PC, an unit of a common timing system (GPS or GLONASS), a subscriber communication unit, the first, the second, the third, the fourth and the fifth switches, the first, the second, the third and the fourth DAC, the first, the second, the third, the fourth and the fifth controlled filters, the first and the second mixers, a goniometer, a rotor of the goniometer, a rotor drive, the first and the second field windings, and n search windings.

EFFECT: possibility of frequency and spatial selection of signal sources.

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