DEVICE TO DETECT DIRECTION AT SIGNAL SOURCE Russian patent published in 2015 - IPC G01S3/00 

FIELD: measurement equipment.

SUBSTANCE: invention relates to measurement equipment, in particular, to direction finders. A device to detect direction at a signal source comprises the first magnetic antenna, aligned in North-South direction, the first amplifier, the second magnetic antenna, aligned in West-East direction, the second amplifier, serially connected the third antenna with circular pattern, the third amplifier, and also the first, second and third analogue-to-digital converters (ADC), a personal electronic computing machine (PC or microprocessor), additionally it comprises a universal time system unit (GPS or Glonass), a unit of communication with subscribers, the first switchboard, the second switchboard, the first controlled filter, the fourth ADC, the third switchboard, the fourth switchboard, the second controlled filter, the fifth ADC, the first digital-to-analogue converter (DAC), the first calibrator, the second DAC, the second calibrator, the third DAC, the third calibrator, the fourth DAC, the shaper, and also the third, fourth and fifth controlled filters, the first and second mixers, and also a goniometer. The listed facilities are arranged in a certain manner and connected to each other.

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

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