February 28, 2007 21:45
Yes the NMEA data is unfiltered that is sent over the TCP/IP port. Check boxes enable the NMEA data server itself, and then the GPS, Instruments, and AIS/Radar ports received NMEA data.
The reason for this is because the NMEA server can be used by any client. Those clients whether they MacENC, Coastal Explorer or any other TCP/IP ready client will want to see the NMEA data unfiltered.
Even MacENC does not filter duplicate NMEA messages that have conflicting information except when "Autopilot Only" is checked and in that case the incoming $GPAPB, $GPBOD, $GPBWC, $GPRMB, $GPXTE and $GPWPL NMEA messages are filtered and replaced with MacENC generated ones for the active waypoint. If there is no active waypoint then this NMEA data filtering does not occur.
The reason for this is because the NMEA server can be used by any client. Those clients whether they MacENC, Coastal Explorer or any other TCP/IP ready client will want to see the NMEA data unfiltered.
Even MacENC does not filter duplicate NMEA messages that have conflicting information except when "Autopilot Only" is checked and in that case the incoming $GPAPB, $GPBOD, $GPBWC, $GPRMB, $GPXTE and $GPWPL NMEA messages are filtered and replaced with MacENC generated ones for the active waypoint. If there is no active waypoint then this NMEA data filtering does not occur.
Scott Dillon
Sydney Australia
North Shore 38
CYCA
Sydney Australia
North Shore 38
CYCA