Norm,
I suspect the icon goes to north up for vessels with velocity=0 or 
velocity unreported.

Sam



On 7/4/12 11:01 AM, Norm wrote:
>
> My AIS transceiver shows other AIS equipped vessels as little blue triangles
> on my radar and chartplotter.
>
> Some of these little blue triangles are pointing in the direction said
> vessel is moving, others are simply pointed north.
>
> Why is this and can I get them all to point in the direction the target is
> moving?
>
>
> Norm
> S/V Bandersnatch
> Lying Julington Creek FL
> 30 23.8N 081 25.7W
>
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-- 

****************************

Sam Densler
Songwriters Island Radio
www.songwriters-island.com

S/V Lady of the Lake
PDQ 36, Hull #15
Punta Gorda, FL
http://www.islandfx.com/lady

****************************

"If you ever wonder why you ride the carousel,
you do it for the stories you can tell."

Jimmy Buffett
"Stories We Could Tell"
A1A


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