Before diving into the software, let’s clarify the hardware. The S-A-A-2 is a second-generation VNA based on the original nanoVNA design but featuring:

Real-time sweeping, TDR (Time Domain Reflectometry), Smith Chart analysis, data exporting, and calibration management. Compatibility: Windows, macOS, and Linux. 2. Installing and Connecting NanoVNA-QT Step 1: Download the Software

: Preferred for its highly customizable UI and "multi-segment" sweeps that can combine multiple smaller sweeps into one ultra-high-resolution plot. Measurement Capabilities