An ITU duplex channel frequency is defined...

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Question 1 of 20mGijyGeQLdEfQ6WOz5rS

An ITU duplex channel frequency is defined as:

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mGijyGeQLdEfQ6WOz5rS

An ITU duplex channel frequency is defined as:

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🔍 Key Concepts

• Simplex vs duplex radio channels in maritime communications • How transmit and receive frequencies behave in a duplex system • International Telecommunication Union (ITU) channel plans for VHF marine radios

💭 Think About

• Think about what happens during a normal phone call: do you talk and listen on the same frequency or different ones? How does that compare to a simplex "push-to-talk" radio? • Which type of system allows both parties to talk and listen at the same time without taking turns? How must the frequencies be arranged to allow that? • Look at how ship-to-shore public correspondence (like with a coast station) usually works: does the ship use the same frequency for both transmit and receive?

✅ Before You Answer

• Be clear on the difference between simplex (one frequency) and duplex (two linked frequencies) operation. • Check whether duplex operation requires one, or a pair, of frequencies for a single channel. • Verify which options describe identical frequencies and which describe different frequencies, and match that to the correct definition of duplex.

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Question 1 of 20mGijyGeQLdEfQ6WOz5rS

An ITU duplex channel frequency is defined as:

Back

Question 1 of 20

mGijyGeQLdEfQ6WOz5rS

An ITU duplex channel frequency is defined as:

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

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