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Dual frequency ILS signal assumed, the R&S® EVS300 calculates two sets of ILS parameters based on applying two 15 kHz (@-3dB) filters above and below the nominal frequency. In addition the combined level, DDM and SDM values are displayed in the Σ fields (corresponding to MeasMode CRS+CLR). |
PHI 90/90 [°] | Phase difference between the 90 Hz (course) and 90 Hz (clearance) components |
PHI 150/150 [°] | Phase difference between the 150 Hz (course) and 150 Hz (clearance) components |