---
title: "Reference"
description: "Reference material, including checklists."
---

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- [NMEA FAQ](https://www.eoss.org/pubs/nmeafaq) - 2006 vintage, latest and remains relevant.
- <img src="../images/icons/gitlab.png" alt="" width="16" height="16"> [NMEA Revealed](https://gpsd.gitlab.io/gpsd/NMEA.html) - Detailed technical reference for NMEA0183, part of the gpsd project.
- [Seatalk Technical Reference](http://www.thomasknauf.de/seatalk.htm) - Unofficial documentation of Seatalk 1 protocol.