In which frequency band does a search and rescue transponder operate?
Official USCG Answer & Rule Citation
Correct Answer: Option B — 9 GHz
Search and Rescue Transponders (SARTs) are designed to operate in the 9 GHz frequency band, which corresponds to the 3-cm X-band radar spectrum. This specific frequency allows the SART to be detected by standard marine navigational radars, facilitating the location of survival craft during distress operations.
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