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» Online Classroom   » Inland and Coastal Navigation   » Public Discussion of Inland and Coastal Navigation   » 1210TR Issues with Bearing in Open CPN

Author Topic: 1210TR Issues with Bearing in Open CPN

 - posted February 04, 2020 06:57 PM      Profile for jbartra           Edit/Delete Post 
Hi Dave,
I am working on the first problem from the book I just bought from your link. I am in Chapter 6 - Piloting (question one).
When I do the exercise in the paper chart I get the correct answer. When I use OpenCPN I get the wrong answer. So I was looking for your videos in Youtube and I found the issue.
When I draw a line using the key "M" and I select East instead of getting 285 M I get 254 M which is totally weird.
I disabled the WWM plug-in as instructed in the video but it does not help.
My Setting are set to 15 W or -15 in the variation box.

Any idea how to solve this issue.My OpenCPN version is 5.0.0.

It could be also a problem with the chart?


 - posted February 04, 2020 07:20 PM      Profile for jbartra           Edit/Delete Post 
I corrected the issue. This is what I did in case someone else run into the same issue:

Remove the current version of the 1210 TR
Remove all NOAA chart from the same area
Download and install the 1210TR from your website.
Change the Variance in the Settings and hit apply.
Close OpenCPN and restart it.

It work perfect now. No more headaches with the bearings. No wonder why using the Coast Guard Aux manual didn't work neither.

Thanks for the video, that gave me the clue!!!


David Burch

 - posted February 05, 2020 08:50 AM      Profile for David Burch           Edit/Delete Post 
Glad that all is working, but i would guess that loading and unloading the chart was just a coincidence.

Should just need to turn WWM off, and then set var = 15W and it should work. If it does not, then close the OpenCPN and reopen and it should be OK.If that does not work, then reboot the computer and try again.

That is my guess, without more info. Not sure how an RNC could affect this. In principle an ENC might, but we do not have those as training charts.

From: Starpath, Seattle, WA

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