D. Excessive VSWR
CHAPTER 2 - PAGE 72-73 (Official Study Guide)
"VSWR (Voltage Standing Wave Ratio) is a measurement of mismatched impedance in an RF system and is stated as an X:1..."
"In an VSWR rating, a lower first number means a better impedance match."
answer is D. 1. Voltage Standing Wave Ratio (VSWR) is a measurement of the return loss in a system. When it is excessive, it can cause damage to equipment.
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