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DSM 132/132RS Receiver User Guide 107
NMEA-0183 Messages C
C6.6 Latitude and longitude values
The latitude and longitude values in NMEA-0183 messages are
presented in degrees, minutes, and decimal minutes, in a single field:
• latitude (ddmm.mmmm)
• longitude (dddmm.mmmm)
Latitude and longitude direction values are sent in a separate field as
N, S, E, or W.
C6.7 Time values
Time values in Universal Time Coordinated (UTC) are presented in
hhmmss.ss format, where hh is hours (00–23), mm is minutes, and
ss.ss is seconds and fractions of seconds.
C6.8 Reading NMEA string format
Be aware that NMEA strings can be of varying length, depending on
how the receiver is configured. Comma delimited parsing is
recommended.
C.7 NMEA Message Summary
Table C.5 describes the NMEA-0183 message set that is supported by
the DSM 132 receivers.
Note – Some messages are only supported when specific Trimble
options are installed on the receiver.