
NMEA sentences used
B-2
Chapter B: NMEA sentences
98-139768-A
B.1.2
Sentence characteristics and their linkage with port
configuration
The following table lists all the supported sentences. The Encoder/Parser column reflects
the group of sentences which can be configured for a specific port. See
• Maximum Transmission Interval indicates the time after which a renewed sentence
must be received. Otherwise sentence data will be invalidated.
• Recommended Transmission Interval is the typical value to set up for the sourcing
device.
• Restore Time indicates the time an invalidated sentence shall be received from the same
source with the proper transmission interval until it can be qualified for input.
Encoder/Parser
Sentence
Maximum
Transmission
Interval
Recommended
Transmission
Interval
Restore
time (s)
ENCODER_NAVTEX output
sentences
NRM, NRX
N.A.
N.A.
N.A.
PARSER_NAVTEX input
sentences
NRM
-
-
-
ENCODER_PROPRIETARY
output sentences
PTHRTSR, PTHRROS,
PTHRNRX
N.A.
N.A.
N.A.
PARSER_PROPRIETARY
input sentences
PTHRNAR
-
-
-
PTHRMAC
-
-
-
PTHRPRT
-
-
-
PTHRAPT
-
-
-
PTHRTSI
-
-
-
ENCODER_SENSOR output
sentences
ZDA
N.A.
N.A.
N.A.
PARSER_SENSOR input
sentences
RMC
10 min
10 s
10 s
ZDA
10 min
10 s
10 s
ENCODER_ALARM output
sentences
ALR
N.A.
N.A.
N.A.
PARSER_ALARM input
sentences
ACK
-
-
-
Table B-2: Supported sentences and their characteristics