Graphing with node red and signalK

[JD1]

Thanks Sailoog. Here is the output. Note that everything was working until the range error. I did have to restart the signalk server twice and that is probbly reflected in the 'connection refused' error (just a guess)


pi@openplotter:~ $ openplotter
Connection is already closed.
Signal K starting
No settings/defaults.json available
[Errno 111] Connection refused
signalk-server running at 0.0.0.0:3000

Cannot open NGT-1-A device /dev/ttyOP_N2K

GET /signalk/v1/api/vessels/self 200 34.952 ms - 634
no unit for navigation.gnss.differentialReference
no unit for navigation.gnss.horizontalDilution
no unit for navigation.gnss.geoidalSeparation
no unit for navigation.gnss.satellites
no unit for navigation.gnss.quality
RangeError: Invalid time value
at NMEA0183.timestamp (/home/pi/.config/signalk-server-node/node_modules/nmea0183-signalk/lib/NMEA0183.js:204:14)
at NMEA0183._decoder (/home/pi/.config/signalk-server-node/node_modules/nmea0183-signalk/codecs/RMC.js:64:18)
at NMEA0183.decode (/home/pi/.config/signalk-server-node/node_modules/nmea0183-signalk/lib/NMEA0183.js:259:26)
at Parser._decode (/home/pi/.config/signalk-server-node/node_modules/nmea0183-signalk/lib/index.js:128:44)
at /home/pi/.config/signalk-server-node/node_modules/nmea0183-signalk/lib/index.js:172:26
at arrayEach (/home/pi/.config/signalk-server-node/node_modules/lodash/lodash.js:537:11)
at Function.forEach (/home/pi/.config/signalk-server-node/node_modules/lodash/lodash.js:9359:14)
at Parser._transform (/home/pi/.config/signalk-server-node/node_modules/nmea0183-signalk/lib/index.js:169:7)
at Parser.Transform._read (_stream_transform.js:167:10)
at Parser.Transform._write (_stream_transform.js:155:12)
pi@openplotter:~ $