A technician is tasked with performing maintenance on a high-power FM antenna. Before ascending the tower, which of the following is the most critical safety procedure to perform?
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A
Notify the station's General Manager of the planned work.
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B
Wear a personal RF monitor to check for dangerous radiation levels while working.
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C
Ensure the transmitter is de-energized and a lockout/tagout (LOTO) device is applied to the main circuit breaker.
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D
Review the station's most recent FCC RF exposure compliance report.