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General / NMEADataFormat


All NMEA messages can be configured for transmission on either port at up to 20Hz, except the speed only version of GPVTG which can be transmitted at up to 200Hz.

The NMEA messages are based on the NMEA2.3 standard.

An NMEA checksum is calculated as the XOR of bytes between (but not including) the dollar sign and asterisk

Page last modified on April 28, 2009, at 09:11 AM