Nmea Data Messages - Magellan Map 410 User Manual

Magellan map 410: user guide
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NMEA DATA MESSAGES

Your GPS receiver can be set to output GPS data in the NMEA 0183 version 1.5 or
version 2.1 format to interface with other marine devices or equipment.
NMEA DATA MESSAGES. NMEA data is output at 4800 baud, 8, N, 1, checksum
off. These settings are acceptable to most equipment and software applications. The
baud rate can also be set to 1200, 9600 or 19200.
There are several NMEA output message sets, each with a slightly different applica-
tion. Check documentation for your external equipment to choose the appropriate
message set.
SET
V1.5.APA
V1.5 XTE
V2.1 GSA GSA, GSV, GLL, GGA, RMB, RMC, APB, and autopilots.
NMEA Message Definitions
APA
Autopilot cross track error, direction to steer, status of GPS, route status,
destination waypoint name, and bearing from origin to destination (old
format).
APB
Revised autopilot message contains all of the above plus: heading to steer
toward destination, bearing from the present position to the destination
(magnetic or true).
BWC
Range and bearing to a waypoint.
GGA
GPS position, time, fix quality, number of satellites used, HDOP (Horizontal
Dilution of Precision), differential reference information, and age.
GLL
GPS-derived latitude, longitude, and time of fix.
GSA
GPS receiver operating mode, satellites used in the navigation solution
reported by the $--GGA sentence and DOP (Dilution of Precision) values.
GSV
Number of satellites in view, satellite numbers, elevation, azimuth, and SNR
value.
RMB
Data status, cross track error, direction to steer, origin, destination landmark,
landmark location, bearing to destination, and velocity toward the destination.
RMC
Time, latitude, longitude, speed, heading, and date.
VTG
Track (magnetic and true) and groundspeed (knots and KPH).
58
OUTPUT/USAGE
BWC, APA, GLL, VTG
Remote displays, version 1.5 marine autopilots
XTE, BWC, GLL, VTG
Version 1.5 Marine autopilots
Vers. 2.1 NMEA recommended navigation data, satellite data
and autopilots.
Magellan MAP 410 GPS Receiver

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