Gmdss_e3 : Element 3 - 530/605
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| What would be the bandwidth of a good crystal lattice band-pass filter for weather facsimile HF (high frequency) reception? |
| A) 500 Hz at -6 dB. |
| B) 6 kHz at -6 dB. |
| C) 1 kHz at -6 dB. |
| D) 15 kHz at -6 dB. |
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