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. The technical result is achieved by the fact that the device to detect direction at a signal source comprises the first magnetic antenna aligned towards North-South, the second magnetic antenna aligned towards West-East, an electric antenna with a circular pattern, six amplifiers, ten analogue-digital converters (ADC), a personal electronic-computing system (PC or microprocessor), a universal time system unit (GPS or Glonass), a unit of communication with subscribers, four mixers, ten controlled filters, four switches, five digital-to-analogue converters (DAC), four calibrators, a shaper, the third magnetic antenna with a circular pattern, and also a goniometer. The listed items are arranged and connected to each in a certain manner.

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

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