Siemens XT55 Benutzerhandbuch
XT55 AVL Software Instructions User’s Guide
Confidential/Preliminary
Confidential/Preliminary
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XT55_avl_ug_V01
Page 20 of 20
15.03.2004
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 1
National Marine Electronics Association (NMEA), Standard for Interfacing Marine Electronic
Devices, Version 2.20, January 1
st
, 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.
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.
values.
GSV
The number of GPS satellites in view satellite ID numbers, elevation, azimuth and
SNR values.
SNR values.
RMC
Time, date, position, course and speed data.
VTG
Course and speed information relative to the ground.