Operates as a "single talker, multiple listeners" system. Only one device can transmit on a single bus, but it can feed data to several receiving units. NMEA 0183 Sentence Structure
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Uses 8 data bits, no parity, and 1 stop bit (8-N-1). Operates as a "single talker, multiple listeners" system
Despite the emergence of the newer NMEA 2000 standard (which uses a Controller Area Network bus), NMEA 0183 remains the most common protocol for interfacing legacy hardware and many modern third-party sensors due to its simplicity and low implementation cost. Operates as a "single talker