Technician › T7 Practical Circuits › T7C06
T7C06
What does an SWR reading of 4:1 indicate?
Pick an answer to check it.
Answer: D. Impedance mismatch
An SWR of 4:1 is far from the ideal 1:1, so it shows an impedance mismatch between the antenna and the feed line. SWR is a ratio, not a gain or loss in dB.
Tip: Far above 1:1 means mismatch.