A sentence typically looks like this: $GPGGA,123519,4807.038,N,01131.000,E,1,08,0.9,545.4,M,46.9,M,,*47
Every NMEA 0183 sentence follows a strict format: nmea 0183 sentences
There are dozens of standardized sentence types, but a few are ubiquitous in GPS and navigation projects: A sentence typically looks like this: $GPGGA,123519,4807