Radio Amateur Quiz Canadian License

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Question A-007-009-011

What precautions should you take before beginning repairs on a microwave feed horn or waveguide?

Correct Answer

Be sure the transmitter is turned off and the power source is disconnected

Explanation

Microwave transmitters can generate high levels of RF energy, potentially hazardous. Always ensure the transmitter is completely powered off and disconnected from its power source before working on feed horns, waveguides, or associated components to prevent RF exposure or electrical shock.

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