Siemens XT55 manual Software interface, Nmea output messages, Option Description

XT55 AVL Software Instructions User’s Guide Confidential/Preliminary

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4 Software interface

The module XT55 is capable of outputting data in the NMEA-0183 format as defined by the National Marine Electronics Association (NMEA), Standard for Interfacing Marine Electronic Devices, Version 2.20, January 1st, 1997.

4.1 NMEA output messages

The table below shows all NMEA output messages supported by the module XT55 as well as a brief description of each output message.

Option	Description
GGA	Time, position and fix type data.
GLL	Latitude, longitude, UTC time of position fix and status.
GSA	GPS receiver operating mode, satellites used in the position solution and DOP
	values.
GSV	The number of GPS satellites in view satellite ID numbers, elevation, azimuth and
	SNR values.
RMC	Time, date, position, course and speed data.
VTG	Course and speed information relative to the ground.

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