Which in-line RF power reading indicates the...

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Question 1 of 20zIPVVH55zpEv2MFWwkYe

Which in-line RF power reading indicates the proper operation of a VHF marine transmitter?

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Question 1 of 20

zIPVVH55zpEv2MFWwkYe

Which in-line RF power reading indicates the proper operation of a VHF marine transmitter?

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🔍 Key Concepts

• Forward power vs. reflected power in an RF (radio frequency) transmission line • Typical rated output power of a VHF marine transmitter • What high reflected power tells you about the antenna and transmission line (SWR, mismatches, possible damage)

💭 Think About

• First, think about what the "forward" reading should look like for a normally operating VHF marine radio that is rated around 25 watts. Which answers clearly do NOT match this expectation? • Next, compare the forward and reflected readings: in a healthy antenna system, should the reflected power be large or small compared to the forward power? Which options show an obviously poor match? • Finally, consider whether a small difference above the rated power is more or less realistic than a very low forward power reading when the radio is transmitting at full power.

✅ Before You Answer

• Verify what the standard output power is for a fixed-mount VHF marine transmitter (in watts). • Check that reflected power is a small fraction of the forward power in a properly matched antenna system (low Standing Wave Ratio). • Eliminate any choice where the reflected power is close to or equal to the forward power, as that indicates a serious problem, not normal operation.

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Question 1 of 20zIPVVH55zpEv2MFWwkYe

Which in-line RF power reading indicates the proper operation of a VHF marine transmitter?

Back

Question 1 of 20

zIPVVH55zpEv2MFWwkYe

Which in-line RF power reading indicates the proper operation of a VHF marine transmitter?

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?

Quick actions

— No credit card needed