SWR Meter - Easymatch

The 'Easymatch' has a length of solid copper wire as its transmission line. The diode leads,

running parallel to the transmission line, double as sensing lines.

A salvaged 100µA meter is used as the indicator, along with a 47KΩ potentiometer for sensitivity adjustment.

Easymatch Schematic
There is no indication till a load is connected.