Nmea 0183 Version 4.11 Pdf- Updated Jun 2026

Legacy: N = Null. v4.11: V = Void (sensor powered but no lock). N = Not available (sensor offline). If you treat V as N , you will log false "Sensor Offline" errors for a receiver that is simply searching for satellites.

In plain English: If you are calculating volume or fuel efficiency, v4.11 requires you to listen for the MTW (Water Temperature) and VHW (Water Speed) sentences simultaneously to correct the depth reading for thermal expansion. Older versions ignored this, leading to 5%+ errors in fish finders. Nmea 0183 Version 4.11 Pdf-