Which operator is authorized to make equipment adjustments at maritime radio stations which may affect transmitter operation?
The holder of a marine radio operator permit or higher class license
The holder of a restricted radiotelephone operator permit when the radiated power is less than 100 watts
Only the holders of a first or second class radiotelegraph of the general radiotelephone operator's license
The holder of a GMDSS radio operator or higher class radiotelephone license
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