[time-nuts] uBlox F9T testing - best settings?

[Michael Wouters]

Hello Peter

The aim of our study was to characterise the performance of single
frequency receivers for time-transfer.  The F9P was a late addition to our
study and extending our software to dual frequency was too much work at the
time. Having a measured ionosphere was not such a huge improvement anyway,
because there are other ways to get an improved ionosphere correction when
post-processing.

Regards
Michael

On Mon, 23 Sep 2019 at 7:03 am, Peter Vince <petervince1952 at gmail.com>
wrote:

> Hello Michael,
>
>      Thank you for your Powerpoint presentation slides - if the paper you
> mentioned added some descriptive words, I would love to see that.
>
> Might I ask why you didn't use the F9P in dual-frequency mode, as I
> understood that gives a much better result, being able to (almost?)
> eliminate ionospheric effects?
>
>      Regards,
>
>           Peter
>
>
> On Sun, 22 Sep 2019 at 01:00, Michael Wouters <michaeljwouters at gmail.com>
> wrote:
> >
> > We did some work on single-frequency time-transfer with the F9P earlier
> > this year which we presented at IFCS-EFTF in April.
> > http://www.openttp.org/downloads/Multi-GNSS_IFCS-EFTF_2019.pdf
> > There's a paper too, which I should upload.
> > In short, the F9P is very suitable for code-based time-transfer, and we
> > will be using it , or the F9T, in the next iteration of our time-transfer
> > system.
> > ...
> > Regards
> > Michael
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