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NMEA 2000 data to SignalK via UDP
#2
First of all: when asking a question about a commercial product it would help a lot if you include pointers to the product's online documentation or product info.

Quick googling does not find anything about Cortex and UDP, just TCP.

On to the real answer: there is no one established method for NMEA2000 over TCP, UDP or serial connections. Manufacturers use their own proprietary formats and there are several ways ($PCDIN, $MXPGN, !PDGY) to encapsulate NMEA2000 data in a NMEA0183 network/serial stream.

My guess is that Cortex uses one of these to broadcast all of its sensor data as well as data from the network.

Signal K server can decode the N2K data in a NMEA0183 stream, but since the data is technically NMEA 0183 you'll need to create the connection as a NMEA 0183 connection. A bit confusing.

FYI for the time being SK does not support NMEA 2000 2 way communication over UDP, meaning you won't be able to send anything to your N2K network from SK with that.
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Messages In This Thread
NMEA 2000 data to SignalK via UDP - by garyg - 2022-07-15, 07:59 PM
RE: NMEA 2000 data to SignalK via UDP - by tkurki - 2022-07-16, 08:33 AM
RE: NMEA 2000 data to SignalK via UDP - by garyg - 2022-07-20, 12:26 AM

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