Question
What is a benefit of low SWR?
Answer Options
- A) Reduced television interference
- B) Reduced signal loss
- C) Less antenna wear
- D) All these choices are correct
Correct Answer: B
Explanation
SWR (Standing Wave Ratio) is a measure of the impedance mismatch in the antenna system (T9B12). A low SWR (close to the ideal 1:1 - T7C04) means that almost all the transmitted power is traveling forward into the antenna and being radiated, with very little power being reflected back.
When power is reflected, it causes increased loss in the feed line as heat (T7C07). Therefore, a primary benefit of low SWR is reduced signal loss in the coaxial cable, ensuring more of your precious transmitted power reaches the antenna for maximum effective radiated power.
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