FIELD: radio detection and finding. SUBSTANCE: the device for determination of angular altitude coordinate of radio-frequency radiation source has M channels including one antenna element 1, one receiver 2, one double-quadrature phase detector 3, one two-channel analog-to-digital converter 4, one M-channel double-quadrature signal converter 5, one multi-input signal integrator 6, N phase shifters 7, N channel receivers 8, one beam selection unit 9, one altitude computer and indicator 10. EFFECT: enhanced accuracy. 6 dwg
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