Gmdss_e3 : Element 3 - 265/605
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| What is the mixing process in a radio receiver? |
| A) The elimination of noise in a wideband receiver by phase comparison. |
| B) The elimination of noise in a wideband receiver by phase differentiation. |
| C) Distortion caused by auroral propagation. |
| D) The combination of two signals to produce sum and difference frequencies. |
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