Before revision: An SWR meter for CB radio equipment The SWR meter or VSWR (voltage standing wave ratio) meter measures the standing wave ratio (SWR) in a transmission line.
After revision: An SWR meter for CB radio equipment The standing wave ratio meter, SWR meter, ISWR meter (current “” SWR), or VSWR meter (voltage SWR) measures the standing wave ratio (SWR) in a transmission line.