Question 32Deck Safety70% to pass
What would most likely prevent a SART's signal from being detected?
AI Explanation
The correct answer is D) The rescue personnel were monitoring the 10-cm radar.
SART (Search and Rescue Transponder) devices are designed to operate on the 9-GHz frequency, which corresponds to a wavelength of about 3 cm. Rescue personnel monitoring a 10-cm radar would not be able to detect the SART signal, as the longer 10-cm wavelength is not well-suited for picking up the SART's 3-cm signal. In contrast, the 3-cm radar would be able to detect the SART's signal, making option C the correct choice.
The other options are incorrect because signal absorption by the ionosphere (A) would not specifically prevent SART detection, and heavy sea swells (B) would not interfere with the SART's ability to transmit its signal.
Related Questions
#30 Which EPIRB transmits a distress alert that is received and relayed by an INMARSAT satellite? #31 How can rescue personnel detect that a SART is transmitting in the immediate vicinity? #33 Which statement concerning satellite EPIRBs is TRUE? #34 What is the required amount of time that a SART's battery must be able to operate the unit in the standby mode? #35 Which equipment is the primary source of generating a locating signal?