Trimble Outdoors 5700 - Manual (Page 144)

1 2 NMEA-0183 Output
1 2 8 5700 GPS Receiver User Guide
Refer
ence
12.3
Common Message Elements
Each message contains:
• A message ID consisting of $GP followed by the message type.
For example, the message ID of the GGA message is $GPGGA.
• A comma
• A number of fields that depend on message type, separated by
commas
• An asterisk
• A checksum
Here is an example of a simple message with a message ID
($GPGGA), followed by 13 fields and checksum value:
$GPGGA,172814.0,3723.46587704,N,12202.26957864,W,2,6,
1.2,18.893,M,-25.669,M,2.0,0031*4F
12.3.1
Message Values
The following values can be found in NMEA messages output by the
5700 receiver.
Latitude and Longitude
Latitude is represented as ddmm.mmmm and longitude is represented
as dddmm.mmmm, where:
• dd or ddd is degrees
• mm.mmmm is minutes and decimal fractions of minutes
Direction
Direction (north, south, east, or west) is represented by a single
character: N, S, E, or W.