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On a localizer the modulations are at 150 Hz and 90 Hz. Which of the following statements is correct?
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A. |
The 90 Hz modulation predominates to the right of the centre line.
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B. |
The 150 Hz modulation predominates to the right of the centre line.
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C. |
If the 150 Hz modulations predominates, the needle on the CDI moves to the right of centre.
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D. |
When both modulations are received, the aeroplane will be on the centre line.
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