ublox refclock

Eric S. Raymond esr at thyrsus.com
Sun Nov 24 17:03:21 UTC 2019

Udo van den Heuvel <udovdh at xs4all.nl>:
> On 24-11-2019 15:01, Eric S. Raymond wrote:
> > Udo van den Heuvel <udovdh at xs4all.nl>:
> >> I have an M8N on order, would that be compatible enough to this driver?
> >> If so: I could help test etc.
> > 
> > That can't hurt - they speak the same protocol - but the big deal with
> > the T variant os a stationary mode you don't have.
> Ah, OK.
> The M8N was cheap so perhaps a fake; I can try to identify this when it
> comes in.

Not necessarily a fake; the 8N is the normal variant (without
stationary mode) and less expensive.  I suspect it's the same hardware
with a different firmware load - they price-discriminate because
they think the customers for stationary mode will pay more.

> As it appears I need a (real) M8T:
> What M8T board, cabling etc would I need to buy to interface to RS232?
> Would e.g. https://www.gnss.store/12-gnss-gps-modules be reputable enough?

Alas, I don't know. In the past the 8T was expensive and difficult to
find; I haven't worked with one.  I guess you get to be forward scout 
on this one.
		<a href="http://www.catb.org/~esr/">Eric S. Raymond</a>

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