Technician › T9 Antennas and Feed Lines › T9B12
T9B12
What is standing wave ratio (SWR)?
Pick an answer to check it.
Answer: A. A measure of how well a load is matched to a transmission line
SWR is a measure of how well a load is matched to a transmission line. A 1:1 SWR means a perfect match, with no power reflected back. Higher SWR means a worse match.
Tip: SWR 1:1 = perfect match.