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Re: ✘AIS regressions

From: Lucien Van Elsen
Subject: Re: ✘AIS regressions
Date: Mon, 28 Nov 2022 18:52:48 -0500

The additional fields are described at - basically, deprecated and undocumented, but seen often enough in the wild.

On Mon, Nov 28, 2022 at 6:33 PM Gary E. Miller <> wrote:
Yo All!

Any AIS people got their earss on?

> The middle message went away.  Looking ar the source log for the
> missing message:
> !AIVDM,2,1,6,A,8>qc9wiKf>d=Cq5r0mdew:?DLq>1LmhHrsqmBCKnJ50,0*30 
> !AIVDM,2,2,6,A,3OLc=UCRp,0*4A,b003660465

Turns out this is not uncommon in the AIS regressions:

Also from test/sample.aivdm:






Guess I gotta RTFM...

Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703  Tel:+1 541 382 8588

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