Hi Tony,
I am using Cerulean Tracker 2024-10-24. The output tab is setup exactly the same as your screen grab.
I am sending coordinates from the DVL Command Window “DVL Position” section as shown below (note that the ROV is not connected at time of screengrab, hence boxes are not populated with info)
I am not using a ROVL so am using pure dead reckoning. As recommended by you above, I used google maps to gain lat/long info, I then paste said info into the DVL position box, then click “set DVL position”. The console shows that it in turn sends command SET-POSITION followed by the pasted lat/long data. The map in QGC/Cockpit then changes and shows the correct location.
I tried setting location both before and after launching the ROV but ultimately both scenarios made cockpit lose control. Quitting Cockpit and booting up QGC regained control immediately.
Serial port configuration, I will screen grab this tomorrow.