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Forum: OpenCPN

01-02-2015, 07:12

Replies: 2,451

Weather Routing

Views: 370,181

Posted By bewitched

Re: Weather Routing

Tried to upload in html format, but got an error "Invalid File Format" Does this with word document also

Forum: OpenCPN

01-02-2015, 07:10

Replies: 2,451

Weather Routing

Views: 370,181

Posted By bewitched

Re: Weather Routing

They are pretty common terms used by instruments & nav software. Some definitions may not be consistent. TWA for example; on some nav software TWA includes Leeway on some it doesn't.

BSP is...

Forum: OpenCPN

31-01-2015, 23:36

Replies: 2,451

Weather Routing

Views: 370,181

Posted By bewitched

Re: Weather Routing

Some more definitions Rick

Good Luck!!

Forum: OpenCPN

30-01-2015, 18:16

Replies: 2,451

Weather Routing

Views: 370,181

Posted By bewitched

Re: Weather Routing

I used Set an Drift as these are the most commonly used terms for water movement. I've seen Tide Set and Tide Drift, also Tide Set and Tide Rate used in instrument packages. In practical terms, it...

Forum: OpenCPN

30-01-2015, 17:43

Replies: 2,451

Weather Routing

Views: 370,181

Posted By bewitched

Re: Weather Routing

Errr...I could make a start..

Can you pm me your sources.

Also, how do I start a page? is there a format template? Is there a review process?

Forum: OpenCPN

30-01-2015, 17:36

Replies: 2,451

Weather Routing

Views: 370,181

Posted By bewitched

Re: Weather Routing

I think it is a new feature. The grib plugin that has been developed can show the weather across the whole area for each time slot and one can select any point in time and see the weather.

What...

Forum: OpenCPN

30-01-2015, 04:33

Replies: 2,451

Weather Routing

Views: 370,181

Posted By bewitched

Re: Weather Routing

Attached is an explanation of the different types of wind used in boat instrumentation. I wrote if for some sail training I was doing a while back.

If any of it is any use to you, please use it

Forum: OpenCPN

30-01-2015, 04:20

Replies: 2,451

Weather Routing

Views: 370,181

Posted By bewitched

Re: Weather Routing

Sorry Boat Alexandra, can't multi quote without getting lost.

The Help File - Sorry, didn't see that :facepalm:

For the windbarbs - take a look at the pic in my post above #674. The wind data...

Forum: OpenCPN

30-01-2015, 03:49

Replies: 2,451

Weather Routing

Views: 370,181

Posted By bewitched

Re: Weather Routing

I'll start the debate..

AWA - Apparent Wind Angle – Wind angle in degrees to port or starboard of the HDG, as measured by the onboard wind instrument

AWS - Apparent Wind Speed – Wind speed in...

Forum: OpenCPN

29-01-2015, 23:18

Replies: 2,451

Weather Routing

Views: 370,181

Posted By bewitched

Re: Weather Routing

I must admit I have quite a bit of trouble getting the polars into the correct format. I have them in a .txt file in the format that Expedition likes. Is there a quick and easy way to convert them...

Forum: OpenCPN

29-01-2015, 22:49

Replies: 2,451

Weather Routing

Views: 370,181

Posted By bewitched

Re: Weather Routing

My 2c..

I understand that I can read conditions along the route from the grib plugin, but I find that wind barbs along the route very useful for quickly understanding where I might get sleep, sail...

Forum: OpenCPN

26-01-2015, 20:31

Replies: 2,451

Weather Routing

Views: 370,181

Posted By bewitched

Re: Weather Routing

I would just like to thank everyone who is contributing to this project.

I played around with the plugin for the first time this morning and I am super impressed. If I can replace my dependence...

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