SWR Analysis Tool v1.0.0 Release

A Windows dark-theme SWR sweep utility for CAT-controlled radios. This release was tested successfully with the Yaesu FT-710.

Run from source

pip install pyserial matplotlib
python swr_analysis_tool.py

Build Windows EXE

Double-click:

build_exe.bat

The executable will be created at:

dist\SWR Analysis Tool.exe

Release notes

• Stable release build based on the successful v0.4.4 test cycle.
• Amber segmented frequency display and CRT-style SWR graph.
• CAT connection watchdog and reconnect handling.
• Sweep safety validation and optional safety reminder suppression.
• Export CSV and image through the menu.
• SWR graph begins at 1.0 and scales to the configured abort SWR limit.
• Frequency entries accept comma or decimal separators, such as 14,200 or 14.200.

Safety: This application keys the transmitter during sweeps. Use low power, verify antenna/dummy-load setup, and remain present at the radio.

Envisioned by N4EAC, Eduardo A. de Carvalho. Coded with AI.