BasicB-003-020-008
Why should your outside antennas be high enough so that no one can touch them while you are transmitting?
B
Answer
Basic radio theory
Type
A
Touching the antenna might reflect the signal back to the transmitter and cause damage
B
Touching the antenna might cause RF burns
C
Touching the antenna might cause television interference
D
Touching the antenna might radiate harmonics
Answer Notes
Radio frequency (RF) energy transmitted through an antenna can generate significant localized heat when it comes into contact with human tissue, leading to deep and painful RF burns.
Elevating an antenna out of reach ensures that no one accidentally touches the radiating elements during transmission, protecting both the operator and the public from these severe injuries.
While touching an antenna could theoretically affect the SWR or cause minor signal reflection, the primary and most critical reason for this regulation is human safety, making distractors about equipment damage or interference incorrect.
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Why should you wear a hard hat if you are on the ground helping someone work on an antenna tower?
Next · B-003-020-009
Why should you make sure that no one can touch an open-wire transmission line while you are transmitting with it?