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[gpsd-dev] Improving GPSD's test set

From: Eric S. Raymond
Subject: [gpsd-dev] Improving GPSD's test set
Date: Mon, 14 Oct 2013 07:35:10 -0400
User-agent: Mutt/1.5.21 (2010-09-15)

David Lundberg <address@hidden>:
> I'm running gr-ais together with OpenCPN and other tools.

We could use your help, then.  I wrote the AIS decoder from specifications,
and have had hell's own time putting together a decent set of test pairs.
Because you're running gpsdecode along with other decoders it sounds like
you're in a perfect situation to help us fix this.

(By a "test pair" I nean an AIVDM sentence together with a complete textual
decoding of its fields.)

I've changed the type 5 decoder to allow message lengths down to 420.  A
test pair consisting of an off-length message and its decoding would be

Other things we're looking for:

* Sample sentences of types 16-17, 22-23, and 25-27.

* Sample sentences of type 6 and 8 conforming to IMO236,
  IMO289, and the Inland AIS specification.

I've enclosed a copy of the pairs we have.  If you can help us improve
our coverage I'd be grateful.
                <a href="";>Eric S. Raymond</a>

Attachment: sample.aivdm
Description: Text document

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