Joined: Mar 26, 2006 Posts: 417 Location: Mannheim / Germany
Posted: Wed May 09, 2012 6:52 pm Post subject: [English] Filter settings for AIS
When receiving AIS Data on the multiplexer, we often need a setup, so that
the AIS data itself are only forwarded to the PC and not to other NMEA devices
attached to the multiplexer.
Some AIS receivers send position and speed data on the same port, as they send AIS data.
We want to have position and speed over ground sent to the other NMEA devices attached, but not the AIS data.
This can be done with the Multiplexer Filter Settings.
Here the filter is set to :
- Any VDM or VDO sentence
- received from In-Port 1,2,3,4 ( all In-Ports activated )
- will not be sent to Out-Port 1 and 2 ( all Out-ports deactivated )
This setting will suppress sending !AIVDM and !AIVDO sentences to any of the two NMEA-Out ports.
But - the !AIVDM/!AIVDO sentences will be sent to the computer, since all received sentences are sent to the (fast) USB port.
Here is an example, what the multiplexer sends to the computer.
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