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OCPN: No gps on port 3000 (works on 10110)
#1
Hi All,

I know this has been an issue before, but cannot find the thread anymore..  Huh

I have an OpenPlotter config, everything updated last week. Pi4, Adafruit ultimate compass and serial InvenSense MPU-9250. AIS data comes over USB.

The one 'problem' I have when processing this data is that there does not seem to come any NMEA data over the 300 port (SignalK connection). I do get magnetic and tilt data but no GPS.


When I add the 'old'  TCP 10110 port I suddenly do get data, and everything seems to work fine. At startup I now get a warning that I should not have port 10110 enabled- so I guess I am making a mistake in SignalK config- but where?

Thanks for your help!
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#2
By default all NMEA data coming in goes straight back out again on tcp port 10110, so for nmea opencpn should have that as a connection. Port 3000 is signalk data. Which opencpn can read as well.
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#3
(2021-07-30, 03:06 PM)PaddyB Wrote: By default all NMEA data coming in goes straight back out again on tcp port 10110, so for nmea opencpn should have that as a connection. Port 3000 is signalk data. Which opencpn can read as well.

Ah, I thought SignalK would also pass the GPS data (of which it has a connection) over port 3000 (wasn't it announced that port 10110 would no longer be needed?)
Anyway, this works, so me happy Big Grin
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