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Re: ubxtool port?


From: Gary E. Miller
Subject: Re: ubxtool port?
Date: Wed, 6 May 2020 12:05:36 -0700

Yo John!

On Wed, 6 May 2020 10:41:47 -0400
John Ackermann N8UR <address@hidden> wrote:

> I am getting my ZED-F9T set up to do the comparison between GPS only
> and GPS+GLONASS for NRCan processing.

Cool.  The only advantage of the F9T over the F9P is the extra time
input and output.  Unlikely you would use those.

> The only eval board available for the F9T is the one from uBlox, and
> it sucks.  The only connectivity on the board is a single 10-pin
> header with UART TXD and RXD.  (And, just for fun, the antenna
> connector is an SMB!).

There are others.  Clive Turvey has some good ones:

    Clive Turvey <address@hidden>

Here is a USB one:

https://www.gnss.store/gnss-gps-modules/108-ublox-zed-f9p-rtk-gnss-receiver-board-with-sma-base-or-rover.html

And a serial one:

https://www.gnss.store/gnss-gps-modules/107-ublox-zed-f9p-rtk-gnss-receiver-board-with-sma-base-or-rover.html

There were a lot of others, but a lot of short run vendors seems to be
hiding lately.

> I have a UART to USB converter wired up and can talk to the unit.

Always a bit iffy.

> My question is, will ubxtool tell the F9T to enable messages, etc., on
> the UART port, or does it only configure the USB interface (which of
> course isn't accessible on this board)?

Oh, that is a simple questions with a LOT of answers.  ubxtool can send
any arbitrary command you want to the receiver.  So whatever the
part can do, ubxtool can tickle it.

Then there are the preprogrammed commands, like UBX-CFG-PRT, they
usually default to the "current" port.  The -l option can specify the
port for UBX-CFG-PRT/

Then there are the new "Configuration Item" interface.  It allow you to
rifle sot individual settings.  So new that it is little understood.

And to top it all off, the 9-series has a lot of new, untested, options.
Some of the u-blox doc is just wrong on them.  So the real answer is:
        It depends

So best to be very specific about what you want to configure.

RGDS
GARY
---------------------------------------------------------------------------
Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
        address@hidden  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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