Trimble Outdoors 132 - Manual (Page 109)

DSM 132/132RS Receiver User Guide 1 0 9
NMEA-0183 Messages C
All messages in this appendix are presented in the format shown in
Table C.3. In each example, the structure is shown in the paragraph
before the table.
C.8
GGA (GPS Fix Data)
The GGA message contains the time, position, and fix related data.
The GGA message structure is:
$GPGGA,151924,3723.454444,N,12202.269777,
W,2,09,1.9,–17.49,M,–25.67,M,1,0000*57
Table C.6 describes these fields.
PTNL,GGK (Time,
Position, Position Type,
and DOP) Time, Position, Position Type and DOP values
PTNLID Proprietary
(Trimble Receiver ID) Receiver machine ID, product ID, major and minor release
numbers, and firmware release date
PTNLSM Proprietary
(RTCM Special) Reference Station Number ID and the contents of the Special
Message included in valid RTCM Type 16 records
Table C.6 GGA message fields
Field Description
1 UTC of position fix in HHMMSS.SS format
2 Latitude in DD MM,MMMM format (0-7 decimal places)
3 Direction of latitude
N: North
S: South
4 Longitude in DDD MM,MMMM format (0-7 decimal places)
Table C.5 NMEA message summary (continued)
Message Message Contents