RAYNET Sweep Analyser antenna impedance from a sweep

Reference Z₀

Load a sweep

Drop files here or click to open
Touchstone .s1p, CSV or text with frequency, R and X

Plug the analyser in by USB, set the range, then press Sweep. Works in Chrome or Edge on a computer.

Centre MHz Span MHz Points

Load or sweep to add a trace. Click a name to make it the one you're reading; others stay as faint overlays.

Pin frequencies to compare them side by side. Up to six.

Span MHz

Scroll or pinch on a chart to zoom, drag to pan, double-click to show all. Arrow keys step the cursor.

Amateur band shading

SWR target Logarithmic SWR scale

Open a Touchstone or CSV export from your analyser, sweep a RigExpert MATCH directly, or load the example to see how it works.