The NMEA 0183 standard is the most common protocol used to receive and transmit data to and from peripheral sensors. A parametric
sentence structure is used for all NMEA data.
The sentence start with a “$” delimiter, and represent the majority of approved sentences defined by the standard. This sentence
structure, with delimited and defined data files, is the preferred method for conveying information.
For more information about the NMEA standard, the format and the data sentences, refer to their official publications. Their
document NMEA 1083 - Standard for interfacing marine electronic devices explains the formats in detail. The document can be obtained from NMEA.
NoteTwo phrases are in general use to describe basic transfer unit associated with a packet-switched network; "telegram" and "datagram".
In this publication, we use the phrase "datagram".