2.3 Terminal unit, IC-215
2-15
5) Handling of NMEA
The external NMEA signal is connected to RF CON/CPU board via [JUNCTION] port. GPS
receiver, GN-79 (Option) is installed. The selection of the external or internal NMEA data is
set by “NAV Port” ([F8]-2: System setup).
The priority sequence of the talker is GP>TR>LC>LA>DE>OM>II>IN. The priority
sequence of the position data is GGA>RMC>GLL>RMA.
Fig.2.3.12 shows the NMEA data connection.
Fig.2.3.12 NMEA data connection
Table 2.3.2 Receivable NMEA data
Formatter
FELCOM15
receiving formatter
GPS (GN-79)
formatter output
Description
GGA O GPS fix data
GLL O(Ver2.0) O Geographic position, L/L
GSV O GNSS satellites in view
WPL O Waypoint location
VTG O O Course over ground and speed
RMA O
Recommended minimum specific
LOLAN-C data
RMB O
Recommended minimum navigation
information
RMC O O
Recommended minimum specific GNSS
data
MTW O Water temperature
DBT O Depth below transducer
BWC O Bearing and distance to waypoint
BWR O
Bearing and distance to waypoint, rhumb
line
VDR O Set and drift
ZDA O Time and date
Optional GPS receiver, GN-79
- NMEA-0183 Ver.2.3 -Datum: WGS 84
- Receiving frequency: 1575.42 MHz - Tracking code: C/A code
- Receiving channel/ tracking: 12 channels/Parallel - Maximum tracking satellite: 12
- UTC tuning pulse output: 1 second pulse
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