Trimble Outdoors 132 User Manual
Page 108
C NMEA-0183 Messages
1 0 8 DSM 132/132RS Receiver User Guide
Messages beginning with PTNL are Trimble proprietary messages.
Table C.5
NMEA message summary
Message
Message Contents
Time, position, and fix related data
Position fix, time of position fix, and status
GPS range residuals
GSA (GPS DOP and
Active Satellites)
GPS position fix mode, SVs used for navigation and DOP values
GPS Pseudorange Noise (PRN) statistics
Number of SVs visible, PRN numbers, elevation, azimuth and SNR
values
MSS (Beacon Receiver
Signal Status)
Signal strength, signal-to-noise ratio, beacon frequency, and
beacon bit rate
RMC (Recommended
Minimum Specific GPS
Data)
UTC time, status, latitude, longitude, speed over ground (SOG),
date, and magnetic variation of the position fix
VTG (Course Over
Ground and Ground
Speed)
Actual track made good and speed over ground
Cross-track error
UTC time, day, month, and year, local zone number and local zone
minutes
PTNLDG Proprietary
(Trimble DGPS Receiver
Status)
Beacon channel strength, channel SNR, channel frequency,
channel bit rate, channel number, channel tracking status, RTCM
source, and channel performance indicator
PTNLEV Proprietary
(Event Marker)
Time, event number, and event line state for time-tagging change of
state on an event input line