Question 851Navigation General70% to pass
Which two channels does an automatic identification system (AIS) transponder use to transmit and receive information broadcasts?
AI Explanation
The correct answer is A) 161.975 Mhz and 162.025 Mhz.
Automatic Identification System (AIS) transponders use these two specific frequency channels (161.975 MHz and 162.025 MHz) to transmit and receive information broadcasts as mandated by international maritime regulations. AIS systems allow vessels to automatically exchange identification, position, course, and speed data with other nearby ships and coastal authorities to enhance maritime safety and navigation.
The other answer choices are incorrect because they do not correspond to the specific AIS frequency channels required by regulations. For example, the GPS frequencies in answer B are used for satellite navigation, not AIS transmissions.
Related Questions
#849 On which of the following does an automatic identification system (AIS) transponder transmit and receive information? #850 While navigating in fog off a coastline of steep cliffs, you hear the echo of the ship's fog horn 3 seconds after the signal was sounded. What is the distance to the shore? #852 Which information must automatic identification systems (AIS) automatically provide to appropriately equipped shore stations, vessels and aircraft? #853 ECDIS units incorporate Digital Chart Data Formats, which include _______________.#854 A single barometric pressure reading of 28.60 indicates _______________.