Re: AIS message 1, Rate of turn

[Gary E. Miller]

Yo Charles!

On Fri, 19 May 2023 16:51:56 -0700
Charles Douglass <chas.douglass@gmail.com> wrote:

> Now that I think about it, one of the reasons I don't use
> rate-of-turn is because opencpn showed such bizarre turn values that
> I assumed the source data was bad and not worth using. Anyway, they
> apparently don't realize that gpsd is feeding them bad values.

That makes sense.  Digging into this, I see two things:

1. gpsd reported all (numeric) turns as positive.

2. the turn rate looks valid, but not enough precision.

Still working on it.  I'll have a guess soon.

RGDS
GARY
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Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
        gem@rellim.com  Tel:+1 541 382 8588

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    "If you can't measure it, you can't improve it." - Lord Kelvin

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