Rainbow Electronics GM862-GPS User Manual

Page 98

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GM862-GPS Software User Guide

1vv0300729 Rev. 5 - 05/07/07

Reproduction forbidden w ithout Telit Communications S.p.A. w ritten authorization - All Rights Reserved

page 98 of 120

5.4 NMEA 0183

The NMEA 0183 is a specification created by the National Marine Electronics Association (NMEA) that
defines the interface between other marine electronic equipment.
The standard permits marine electronics to send information to computers and to other marine
equipment.
GPS receiver communication is defined within this specification.
The actually supported version is 2.2

The provided NMEA sentences are :

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.

VTG

Course and speed information relative to the ground.

RMC

Time, date, position, course and speed data.



NOTE: By Default the NMEA serial port (on pins 35 and 41) provides the following sentences:
GGA, GSA, GSV, RMC.
In order to select the required sentences or to enable also the VTG and GLL you could use the
NMEA command $PSRF103 (refer to the related paragraph)

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