Gmdss : Element 7 - 257/600
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| Which of the following statements concerning COSPAS-SARSAT is true? |
| A) EPIRBs are units that are used as alerting devices. |
| B) These are satellites in a low-earth polar orbit that detect EPIRB beacons on 406 MHz and relay the information to a Local User Terminal (LUT). |
| C) The Doppler frequency measurement concept is used to determine the EPIRB's location. |
| D) All of the above. |
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