Gmdss : Element 7 - 579/600 |
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To ensure effective communications, GMDSS operators should: |
A) Rely on the equipment calculations of Optimum Usable Frequency. |
B) Employ the short rules of propagation selection. |
C) Rely on previous successful communications on the selected frequency band. |
D) Taken together, both b) and c) are good operational practices. |
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