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Re: How to use GPSD to perform read and write operations simultaneously
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From: |
Gary E. Miller |
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Subject: |
Re: How to use GPSD to perform read and write operations simultaneously on one serial port |
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Date: |
Mon, 25 Sep 2023 13:06:20 -0700 |
Yo Greg!
On Mon, 25 Sep 2023 15:50:34 -0400
Greg Troxel <gdt@lexort.com> wrote:
> "Gary E. Miller" <gem@rellim.com> writes:
>
> > What receiver takes them? Where would they come from, if
> > not NTRIP?
>
> I am not really clear, but my impression is that they are used in
> wide-area broadcast correction services, rather than in providing data
> about a specific nearby reference.
I'm reading the spec. I agree, real time corrections to the ephemeris
parameters. Regional stuff, instead of local (RTK) or global (PPP).
I'm adding a partial decode right now. A samle would be good.
> This is a little marketing-speak, but:
>
> https://www.septentrio.com/en/learn-more/insights/gnss-corrections-demystified
Interesting. Serpentrio seems to be a comer. Thanks!
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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