Mikhail Grushinskiy

> @mgrouch Yes, you can **add** an MQTT server to SK server with a plugin. I said _misleading_ because a plain SK Server without any additional components does not provide...

Might be integration with ioBroker would be more attractive than with HomeAssistant. There seems to be good progress already done. https://github.com/ioBroker/ioBroker.nmea/ a video https://youtu.be/flp_-mypbRU

It seems comes from gpsd navigation.magneticVariation 0 rad 04/17 04:18:50 gpsd.GN (RMC) navigation.magneticVariation 0 rad 04/17 04:18:50 gpsd.GP (RMC) navigation.magneticVariationAgeOfService 1618647530 s 04/17 04:18:50 gpsd.GN (RMC) navigation.magneticVariationAgeOfService 1618647530 s 04/17...

geographiclib has tools to calculate it properly based on time and location. No other inputs are required. https://geographiclib.sourceforge.io/html/magnetic.html

Does Trinav use different talker IDs for Glonass, GPS, Galileo? I know ublox modules they do. GN/GL/GP Involving node red into solution would be overkill. It would be better to...

Is it possible to implement some kind of self calibration logic constantly adjusting so that the position output from signal K will be consistent relative to some fixed point on...

GPS Distance From Bow, GPS Distance From Center in settings doesn't make sense to me. Which GPS? There could be many in different places on a ship

Might be some test cases (test NMEA data) can be taken from https://github.com/mariokonrad/marnav which is very complete library

There is this list of sentences as json. I think it could be just used to generate code of all parsers https://github.com/SmartBoatInnovations/ha-smart0183/blob/main/custom_components/smart0183/Smart0183.json

[NMEA 0183 Man Overboard Notification (MOB) Sentence](https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&cad=rja&uact=8&ved=2ahUKEwjWr4naw6b7AhWfGFkFHZA7AqAQFnoECBcQAQ&url=https%3A%2F%2Fwww.nmea.org%2FAssets%2F21030814%2520nmea%25200183_man%2520overboard%2520notification_mob_sentence%2520amendment.pdf&usg=AOvVaw3LOeiXPWW0nQSyDm3IKUp8) [SMV Amendment to NMEA 0183 Version 4.10 20180615](https://www.nmea.org/Assets/20180615_SMV_Sentence%20Amendment.pdf)