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Old 11-01-2025, 02:10   #1
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Predict Wind Datahub - Display AIS on OpenCPN

Setting up my PW datahub. In theory it should allow me to display NMEA data on my tablet running OpenCPN including over the horizon AIS.

The Datahub gives me what I think is a connection address
"NMEA - (11102)://remote.rdsensingxxxxxxx"

Data Connections in OpenCPN provides for input under "type, direction, protocol etc"

What do I enter into the OpenCPN connections field to get this information communicated?

TIA

Phil
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Old 11-01-2025, 03:16   #2
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Re: Predict Wind Datahub - Display AIS on OpenCPN

let me search for you
https://help.predictwind.com/en/arti...eive-nmea-data
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Old 12-01-2025, 14:37   #3
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Re: Predict Wind Datahub - Display AIS on OpenCPN

Thanks @BlackSea. I worked through the link provided and had some success (GPS data scrolling in the debug window) but did not get a consistent display of NMEA parameters. With 'filter NMEA' unticked I get the normal OpenCPN short dash heading line all the time (orientated with the boat symbol) and a long dash heavier 'heading' line which appears intermittently <10% of time, in conjunction with a SOG/COG in the footer. video link showing behavior https://youtu.be/8JyA_5QPLM0?si=NoeX0LuhFu15NSkN
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Old 12-01-2025, 15:46   #4
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Re: Predict Wind Datahub - Display AIS on OpenCPN

And still haven't figured out how to display the AIS.
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Old 18-01-2025, 21:26   #5
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Re: Predict Wind Datahub - Display AIS on OpenCPN

Phil,
I took a look at your video. The 2 lines you are seeing coming from your boat's icon are the Heading (what your autopilot sensor thinks your magnetic heading is) and your COG (course over ground... what the GPS thinks you are doing).

Are you trying to get AIS data from your own AIS? If so, what brand/model and how is it attached into the network? Is it a NMEA 183 or NMEA 2000? And whatever it is attached to, is that attached to your computer? How?

Your scrolling speed for the NMEA debug window is VERY FAST. The intermittentness may be caused by too much data coming in. There is a way when setting up a connection to filter and prioritize each connection, and filter what "sentences" are accepted.

I believe in "Pro" mode, the DataHub can pull AIS data off the internet to show beyond your reception radius from your physical AIS. Are you trying to do that??

I don't have a DataHub so only know in concept what I have read. I am also a NMEA 183 person, so not really up on the newer NMEA 2000. But a little more detail might encourage someone to offer some help.

You might also look for a forum or FB group where users are helping each other specifically with DataHub.

Sorry I can't be more helpful.
Sherry
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