What are the transmit and receive...

Question 1 / 20Nw81MQA1UqaB0p42RYiA

Question 1 of 20Nw81MQA1UqaB0p42RYiA

What are the transmit and receive frequencies of an aircraft’s mode C transponder operating in the Air Traffic Control RADAR Beacon System (ATCRBS)?

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Question 1 of 20

Nw81MQA1UqaB0p42RYiA

What are the transmit and receive frequencies of an aircraft’s mode C transponder operating in the Air Traffic Control RADAR Beacon System (ATCRBS)?

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🔍 Key Concepts

• Standard ATCRBS / Mode C transponder interrogation and reply frequencies • Difference between MHz (megahertz) and kHz (kilohertz) and which is used for radar beacon systems • Which part of the system (ground radar vs aircraft transponder) does the interrogating (receive) and which does the reply (transmit)

💭 Think About

• First decide: are ATCRBS transponder signals in the MHz or kHz range for radar surveillance? Eliminate any answers that don’t match the typical radar frequency band. • Think about who is ‘asking’ and who is ‘answering’: does the aircraft transponder mainly reply on the higher or lower of the two standard beacon frequencies? • Once you know which frequency is used for interrogation from the ground, you can match that to the aircraft’s receive frequency and the other to its transmit frequency.

✅ Before You Answer

• Confirm that primary and secondary radar/beacon systems use frequencies in the UHF/MHz range, not kHz, for this function. • Identify which standard frequency (1030 or 1090) is associated with interrogations in ATCRBS documentation, and which with replies. • Be sure to match the correct units (MHz vs kHz) in the options; eliminate any that have the wrong order of magnitude.

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Question 1 of 20

What are the transmit and receive frequencies of an aircraft’s mode C transponder operating in the Air Traffic Control RADAR Beacon System (ATCRBS)?

Transmit at 1090 MHz, and receive at 1030 MHz

Transmit at 1030 kHz, and receive at 1090 kHz

Transmit at 1090 kHz, and receive at 1030 kHz

Transmit at 1030 MHz, and receive at 1090 MHz

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Question 1 / 20Nw81MQA1UqaB0p42RYiA

Question 1 of 20Nw81MQA1UqaB0p42RYiA

What are the transmit and receive frequencies of an aircraft’s mode C transponder operating in the Air Traffic Control RADAR Beacon System (ATCRBS)?

Back

Question 1 of 20

Nw81MQA1UqaB0p42RYiA

What are the transmit and receive frequencies of an aircraft’s mode C transponder operating in the Air Traffic Control RADAR Beacon System (ATCRBS)?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

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