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Re: Recommend a USB gps for Rpi

From: Gary E. Miller
Subject: Re: Recommend a USB gps for Rpi
Date: Sat, 10 Oct 2020 09:14:56 -0700

Yo David!

On Sat, 10 Oct 2020 07:55:11 +0100
"David J Taylor" <> wrote:

> Can anyone on the list recommend a USB gps for the Raspberry Pi?

Any u-blox 8 should be fine, if the antenna is in a window, or better.

The newer u-blox 9 work with less signal than the 8's.

Sparkfun has  a NEO-M9N for $65:

> My
> use case is for it to provide time services to a cluster so it
> doesn’t have to be super accurate. I currently have a u-blox 8 which
> works with gpsd but the time from it jumps all over the place.

What is you definition of "all over the place"?  Anything over USB
will never be better than 1 ms.  Much worse than that indicates a

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

            Veritas liberabit vos. -- Quid est veritas?
    "If you can't measure it, you can't improve it." - Lord Kelvin

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