Predetermined tracks using WaterLinked GPS

[Boko (Bo Koppel)]

Yes, I do that with OpenCPN and Waterlinked.
Using separate monitor for that information.
See post:

ROV plotting on nautical chart, and ship + ROV on same chartplotting

I have finally found a way to use nautical charts for plotting ROV position. Thanks to OpenCPN Håkan! Ship is showed on same chart, so moving ship after ROV is now easier. Same info can be sent to plotter at helm. Info like distance to ROV is possible Solution: -OpenCPN software with charts. -Underwater GPS to have position of ROV into PC. -Basic GPS (and headíng sensor) to position ship as usual, via serial port or UDP etc Trick to get ROV position is to use NMEA string $RATLL via UDP …