User's Manual

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Additional NMEA Output Sentences
In addition to the sentences in Table 1 the following standard NMEA 0183 outputs are
supported by the Virtual AIS Beacon. These may be output automatically or in response to a
query or command.
Table 3 – Additional NMEA Output Sentences
Formatter
Description
GGA
Global Positioning System Fix Data
RMC
Recommended Minimum Specific GNSS Data
GLL
Geographic Position – Latitude/Longitude
GSA
GNSS DOP and Active Satellites
GSV
GNSS Satellites In View
VTG
Course Over Ground & Ground Speed
TXT
Text Transmission
VDO
AIS VHF Data-Link Own Report
VDM
AIS VHF Data-link Message
ABK
AIS Addressed and Binary Broadcast Acknowledgement
MEB
Message Input for a Broadcast Command
Full sentence details can be obtained from the NMEA-0183 v4.10 standard.
Extended AtoN Configuration
In addition to the standard configuration sentences the Virtual AIS Beacon also supports an
extended set of commands that start with $PVSP formatter. The supported sentences are
summarized in Table 4.
Table 4 – Sentences Used For Extended Configuration
Formatter
Description
Queryable
SAT
Enable/Disable GPS Satellite Output
No
ATON,CLR
Clear all AtoN Configurations
No
ATON,PERSIST
Enable/Disable Persistence of a Mark Change
Yes
MEB,DEL
Delete a Stored MEB
No
NWK
Enable/Disable Ethernet on Coms Port
No
SAT – Enable GSA/GSV Output
Enable or disable (default) the output of GSA & GSV sentences to reduce the serial data
stream.
Returns: $PVSP,OK*2D
Example: $PVSP,SAT,1*72
Format: $PVSP,SAT,x
x 0=disable GSA/GSV output, 1=enable