NMEA0183 Checksum calculator


$*

The result sentence (without <CR><LF> at the end):
$GNGLL,4443.1365,N,03749.8815,E,071803.000,A,A*41


Brief description: NMEA0183 checksum is just a simple byte-by-byte XOR of all the bytes between $ and * signs exclusively.
Back to Online Utilities page
(C) Alek Dikarev, 2020-2025
For bug reports, suggestions and questions, please feel free to reach me