Owners manual

USB100 User’s Manual
PGN 128275 (Distance Log)
The NMEA 2000® Distance Log PGN is translated to the VLW NMEA 0183 sentence entitled Dual
Ground / Water Distance as shown in the following table.
NMEA 2000 PGN
128275 – Distance Log
Field # Description
1 Measurement Date
2 Measurement Time
3 Total Cumulative Distance
4 Distance Since Last Reset
NMEA 0183 Sentence
VLW – Dual Ground/Water Distance
Field # Description
1 Total Cumulative Distance
2 Always Transmitted as “N”
3 Distance Since Last Reset
4 Always Transmitted as “N”
5 Null
6 Always Transmitted as “N”
7 Null
8 Always Transmitted as “N”
PGN 129026 (COG & SOG, Rapid Update)
The NMEA 2000® COG & SOG, Rapid Update PGN is translated to the VTG NMEA 0183 sentence
entitled Course Over Ground and Ground Speed as shown in the following table. Note that the VTG
sentence “Mode Indicator” field is obtained from the GNSS Position Data PGN given that the SID fields
for both PGNs match.
NMEA 2000 PGN
129026 – COG & SOG, Rapid Update
Field # Description
1 SID
2 COG Reference
NMEA 0183 Sentence
VTG – COG and SOG
Field # Description
1 Course Over Ground
2 Always Transmitted as “T”
3 Course Over Ground
4 Always Transmitted as “M”
5 Speed Over Ground
6 Always Transmitted as “N”
7 Speed Over Ground
3 Reserved
4 Course Over Ground
5 Speed Over Ground
6 Reserved
8 Always Transmitted as “K”
9 Mode Indicator
NMEA 2000 PGN
129029 – GNSS Position Data
Field # Description
1 SID
2 Position Date
3 Position Time
4 Latitude
5 Longitude
6 Altitude
7 Type of System
8 Method, GNSS
9 Integrity
10 Reserved
11 Number of SVs
12 HDOP
13 PDOP
14 Geoidal Separation
15 # of Reference Stations
16 Reference Station Type “1”
17 Reference Station ID “1”
18
NMEA 0183 Sentence
GGA – GPS Fix Data
Field # Description
1 UTC of Position
2 Latitude
3 N/S
4 Longitude
5 E/W
6 GPS Quality Indicato
r
7 # of Satellites in Use
8 HDOP
9 Altitude
10 Always Transmitted as “M”
11 Geoidal Separation
12 Always Transmitted as “M”
13 Age DGNSS Correction
14 Reference Station ID
Age DGNSS Correction “1”
19 Reference Station Type “n”
20 Reference Station ID “n”
Age DGNSS Correction “n”21
Page A6 Appendix A – NMEA 2000
®
to 0183 Translations Revision 1.5