Gmdss : Element 7 - 598/600
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| Which would indicate a malfunction in a 2182 kHz radiotelephone system? |
| A) No discernable traffic has been heard on the 2182 kHz during the radiotelephone silent periods. |
| B) Failure to contact another station 60 miles distant during daytime operation. |
| C) Dramatic decrease in noise level observed during night and early morning hours. |
| D) The visual indication of power to the antenna fluctuates while testing the radiotelephone alarm signal generator into an artificial antenna. |
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