Perhaps Alastair still has his used mux for sale:
Shipmodul USB for sale
I have tied in my Raymarine flux gate through the auto-pilot unit (ST4000+) using this multiplexer since it converts SeaTalk to NMEA 0183 on one of the input ports.
The heading from the flux gate is then picked up by MacENC or GPSNavX.
Check the back panel of your tiller auto-pilot to see if has SeaTalk ± pins.
Shipmodul USB for sale
I have tied in my Raymarine flux gate through the auto-pilot unit (ST4000+) using this multiplexer since it converts SeaTalk to NMEA 0183 on one of the input ports.
The heading from the flux gate is then picked up by MacENC or GPSNavX.
Check the back panel of your tiller auto-pilot to see if has SeaTalk ± pins.
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Jon Longworth
Jon Longworth