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Trimble R7 User Manual

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A NMEA-0183 Output
172 Trimble R7/R8 GPS Receiver User Guide
Trimble R7 and R8
A.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 $GPGGA.
•A comma
A number of fields that depend on message type, separated by
commas
•An asterisk
A checksum value
Below is an example of a simple message with a message ID
($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
A.3.1 Message values
The following values can be found in NMEA messages that the
receiver generates.
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.

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Trimble R7 Specifications

General IconGeneral
BrandTrimble
ModelR7
CategoryGPS
LanguageEnglish

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