2023-04-27, 10:30 AM
"This particular USB dongle is said to have a TCKO of 1 PPM."
Then that is your PPM, no calibration needed.
Go to http://openplotter.local:3000/admin/#/databrowser the AIS targets will appear in the upper left field where you can read "self"
Then that is your PPM, no calibration needed.
Go to http://openplotter.local:3000/admin/#/databrowser the AIS targets will appear in the upper left field where you can read "self"