– One of the most common use cases is simply confirming that a GPS module is working. For instance, the Vantron VT‑M2M‑APL user manual explicitly instructs users to launch RCT‑1[1].1.0BETA.exe after turning on the GPS unit, select the correct COM port, and click “OK” to start receiving data.
marine hardware series. There is no widely recognized "JNAV" consumer software for general GPS analysis. Most Likely Matches for "JNAV"
A powerful online utility that creates maps and profiles from geographic data.
[Satellite Constellation] ──> [J-NAV Hardware Receiver] ──> [Analyzer Software] ──> Visual UI / NMEA Export Real-Time GNSS Diagnostics
Velocity and heading (speed over ground, track made good) [1].