
Published in November 2018, Version 4.11 was a significant update to the long-standing serial protocol used by GPS receivers, autopilots, and depth sounders. While it has since been succeeded by Version 4.30 (released December 2023), Version 4.11 is still widely used in legacy systems and industrial applications. Key Features and Updates in 4.11
You cannot find a legal, free PDF of NMEA 0183 v4.11. The NMEA association sells the standard.
NMEA 0183 Version 4.11 has a wide range of applications across the marine industry, including:
New Talker Identifiers: It introduced new identifiers to distinguish between different data sources, such as specific satellite receivers or safety systems like bilge controllers ('BI') and watertight doors ('WD').
Which follow-up would you like?
The big addition: Binary mode? No. But v4.11 allows for extended sentences using the II (Integrated Instrumentation) talker ID to send long payloads that would normally exceed the 82-character limit of classic NMEA.