(2020-06-17, 11:12 PM)ssth@yahoo.com Wrote: My sailboat has a Simrad instrument set (speed, depth, wind) with NMEA output.
So if you tell more about this Simrad - we are able to tell you to how get NMEA Data INTO it.
If there is only NMEA out then there is NO easy Way to solve your Answer, sorry.
HoW